{
  "api_version": "1",
  "generated_at": "2026-10-22T09:14:17.066Z",
  "kind": "site-report",
  "canonical_url": "https://aislesinventory.com/reports/2026-10-19/chicago",
  "md_url": "https://aislesinventory.com/api/md/reports/2026-10-19/chicago",
  "title": "Chicago, IL store inventory report, October 19, 2026 | Aisles",
  "description": "Retailer-reported availability and prices at 37 stores in the Chicago, IL area on October 19, 2026: in-stock rates by category and store, hardest products to find, and price differences between chains.",
  "h1": "Chicago, IL store inventory report: October 19, 2026",
  "breadcrumbs": [
    {
      "name": "Store inventory",
      "url": "https://aislesinventory.com/"
    },
    {
      "name": "Reports",
      "url": "https://aislesinventory.com/reports"
    },
    {
      "name": "October 19, 2026",
      "url": "https://aislesinventory.com/reports/2026-10-19"
    },
    {
      "name": "Chicago, IL",
      "url": "https://aislesinventory.com/reports/2026-10-19/chicago"
    }
  ],
  "updated": "2026-10-19T13:28:40.221Z",
  "updated_label": "Updated Oct 19, 2026",
  "summary": "On October 19, 2026: Retailers reported 81.2% of 8,509 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area. Milk was the hardest category to find (69.3% in stock); Paper towels was the easiest (95.8%). On identical products, Food 4 Less prices averaged 9.4% lower than Mariano’s in Chicago, IL (161 products compared).",
  "subtitle": "37 stores · 316 products",
  "stats": [
    {
      "label": "Stores checked",
      "value": "37"
    },
    {
      "label": "Products",
      "value": "316"
    },
    {
      "label": "In-stock rate",
      "value": "81.2%"
    },
    {
      "label": "Out of stock",
      "value": "1,597"
    },
    {
      "label": "Status not reported",
      "value": "350"
    }
  ],
  "facts": [],
  "notes": [
    "Availability is reported by each retailer and checked by Aisles about once a day. It can change at any time, and Aisles does not physically verify stock. Confirm with the store before making a special trip."
  ],
  "actions": [],
  "sections": [
    {
      "id": "findings",
      "title": "Key findings",
      "type": "text",
      "paragraphs": [
        "Retailers reported 81.2% of 8,509 store-product listings with a known status in stock, across 37 stores in the Chicago, IL area.",
        "Milk was the hardest category to find (69.3% in stock); Paper towels was the easiest (95.8%).",
        "On identical products, Food 4 Less prices averaged 9.4% lower than Mariano’s in Chicago, IL (161 products compared)."
      ]
    },
    {
      "id": "categories",
      "title": "In-stock rate by category",
      "type": "table",
      "columns": [
        "Category",
        "Listings with a status",
        "In-stock rate",
        "Out of stock"
      ],
      "rows": [
        [
          "Milk",
          "722",
          "69.3%",
          "222"
        ],
        [
          "Bread",
          "242",
          "72.7%",
          "66"
        ],
        [
          "Diapers",
          "1,255",
          "76.6%",
          "294"
        ],
        [
          "Cold and flu",
          "799",
          "76.7%",
          "186"
        ],
        [
          "Eggs",
          "575",
          "77.7%",
          "128"
        ],
        [
          "Toothpaste",
          "780",
          "78.3%",
          "169"
        ],
        [
          "Batteries",
          "722",
          "81.4%",
          "134"
        ],
        [
          "Baby formula",
          "800",
          "82.5%",
          "140"
        ],
        [
          "Coffee",
          "684",
          "84.1%",
          "109"
        ],
        [
          "Dog food",
          "755",
          "88.9%",
          "84"
        ],
        [
          "Pain relief",
          "599",
          "93.2%",
          "41"
        ],
        [
          "Paper towels",
          "576",
          "95.8%",
          "24"
        ]
      ]
    },
    {
      "id": "hardest",
      "title": "Lowest in-stock rates among the stores Aisles covers",
      "type": "table",
      "columns": [
        "Product",
        "Category",
        "Listings with a status",
        "In-stock rate"
      ],
      "rows": [
        [
          {
            "text": "Kroger Medium Grade A White Eggs",
            "url": "https://aislesinventory.com/chicago/products/kroger-medium-grade-a-white-eggs-0001111060980"
          },
          "Eggs",
          "29",
          "0.0%"
        ],
        [
          {
            "text": "Crest Toothpaste Pro-Health Clean Mint",
            "url": "https://aislesinventory.com/chicago/products/crest-toothpaste-pro-health-clean-mint-0003077205885"
          },
          "Toothpaste",
          "29",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Natural Cage Free Large Brown Eggs",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-natural-cage-free-large-brown-eggs-0001111087374"
          },
          "Eggs",
          "9",
          "0.0%"
        ],
        [
          {
            "text": "Horizon Organic Shelf Stable 1% Lowfat Chocolate Milk",
            "url": "https://aislesinventory.com/chicago/products/horizon-organic-shelf-stable-1-lowfat-chocolate-milk-0074236500416"
          },
          "Milk",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Horizon Organic Shelf Stable 1% Lowfat DHA Omega-3 Chocolate Milk",
            "url": "https://aislesinventory.com/chicago/products/horizon-organic-shelf-stable-1-lowfat-dha-omega-3-chocolate-milk-0074236500432"
          },
          "Milk",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Starbucks Caramel Flavored Ground Coffee",
            "url": "https://aislesinventory.com/chicago/products/starbucks-caramel-flavored-ground-coffee-0076211181056"
          },
          "Coffee",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Millie Moon Luxury Diapers, Size 3, 88 Count",
            "url": "https://aislesinventory.com/chicago/products/millie-moon-luxury-diapers-size-3-88-count-0081000541426"
          },
          "Diapers",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Kroger Multi-Symptom Cold and Flu DayTime and NightTime Cold Medicine Softgels",
            "url": "https://aislesinventory.com/chicago/products/kroger-multi-symptom-cold-and-flu-daytime-and-nighttime-cold-medicine-0004126001689"
          },
          "Cold and flu",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Rayovac High Energy AA Alkaline Batteries",
            "url": "https://aislesinventory.com/chicago/products/rayovac-high-energy-aa-alkaline-batteries-0001280054011"
          },
          "Batteries",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Vicks DayQuil & NyQuil Kids Honey Cold & Cough + Congestion Liquid Combo Pack",
            "url": "https://aislesinventory.com/chicago/products/vicks-dayquil-nyquil-kids-honey-cold-cough-congestion-liquid-combo-0032390004490"
          },
          "Cold and flu",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Folgers Classic Roast Ground Coffee, Medium Roast",
            "url": "https://aislesinventory.com/chicago/products/folgers-classic-roast-ground-coffee-medium-roast-0002550030418"
          },
          "Coffee",
          "8",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Natural Cage Free Grade AA Large Brown Eggs",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-natural-cage-free-grade-aa-large-brown-eggs-0001111079769"
          },
          "Eggs",
          "6",
          "0.0%"
        ],
        [
          {
            "text": "Wonder Classic White Bread",
            "url": "https://aislesinventory.com/chicago/products/wonder-classic-white-bread-0007225001137"
          },
          "Bread",
          "5",
          "0.0%"
        ],
        [
          {
            "text": "Advil Pain Reliever and Fever Reducer, Ibuprofen 200 mg for Pain Relief",
            "url": "https://aislesinventory.com/chicago/products/advil-pain-reliever-and-fever-reducer-ibuprofen-200-mg-for-pain-relief-0030573015110"
          },
          "Pain relief",
          "5",
          "0.0%"
        ],
        [
          {
            "text": "Simple Truth Organic 2% Reduced Fat Milk Gallon",
            "url": "https://aislesinventory.com/chicago/products/simple-truth-organic-2-reduced-fat-milk-gallon-0001111042902"
          },
          "Milk",
          "29",
          "3.4%"
        ]
      ]
    },
    {
      "id": "chain-prices",
      "title": "Price differences between chains on identical products",
      "type": "table",
      "columns": [
        "City",
        "Lower-priced chain",
        "Compared with",
        "Identical products",
        "Average price difference",
        "Same price"
      ],
      "rows": [
        [
          "Chicago, IL",
          "Food 4 Less",
          "Mariano’s",
          "161",
          "9.4% lower",
          "58"
        ]
      ]
    },
    {
      "id": "scope",
      "title": "What this report covers",
      "type": "text",
      "paragraphs": [
        "Grocery stores only: 37 stores in 1 city with qualifying records on this date. Stores inside shopping malls are not part of daily reports, so a report covers fewer stores and cities than the site lists. Each store reports a curated assortment of commonly bought products, not its full catalog, so \"lowest in-stock rates\" describe the stores Aisles covers, not every store in the area."
      ]
    },
    {
      "id": "stores",
      "title": "In-stock rate by store",
      "type": "table",
      "columns": [
        "Store",
        "Chain",
        "Listings with a status",
        "In-stock rate",
        "Out of stock"
      ],
      "rows": [
        [
          {
            "text": "Mariano’s Evergreen Park",
            "url": "https://aislesinventory.com/chicago/evergreen-park/marianos-evergreen-park-evergreen-park-53100530"
          },
          "Mariano’s",
          "234",
          "89.3%",
          "25"
        ],
        [
          {
            "text": "Mariano’s Orland Park",
            "url": "https://aislesinventory.com/chicago/orland-park/marianos-orland-park-orland-park-53100535"
          },
          "Mariano’s",
          "237",
          "88.2%",
          "28"
        ],
        [
          {
            "text": "Mariano’s Northbrook",
            "url": "https://aislesinventory.com/chicago/northbrook/marianos-northbrook-northbrook-53100533"
          },
          "Mariano’s",
          "240",
          "87.9%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Westmont",
            "url": "https://aislesinventory.com/chicago/westmont/marianos-westmont-westmont-53100536"
          },
          "Mariano’s",
          "237",
          "87.8%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Westchester",
            "url": "https://aislesinventory.com/chicago/westchester/marianos-westchester-westchester-53100528"
          },
          "Mariano’s",
          "236",
          "87.7%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Wheaton",
            "url": "https://aislesinventory.com/chicago/wheaton/marianos-wheaton-wheaton-53100513"
          },
          "Mariano’s",
          "235",
          "87.7%",
          "29"
        ],
        [
          {
            "text": "Mariano’s Bronzeville",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bronzeville-chicago-53100539"
          },
          "Mariano’s",
          "236",
          "87.3%",
          "30"
        ],
        [
          {
            "text": "Mariano’s Des Plaines",
            "url": "https://aislesinventory.com/chicago/des-plaines/marianos-des-plaines-des-plaines-53100541"
          },
          "Mariano’s",
          "242",
          "87.2%",
          "31"
        ],
        [
          {
            "text": "Mariano’s Harwood Heights",
            "url": "https://aislesinventory.com/chicago/harwood-heights/marianos-harwood-heights-harwood-heights-53100510"
          },
          "Mariano’s",
          "238",
          "87.0%",
          "31"
        ],
        [
          {
            "text": "Mariano’s Lombard",
            "url": "https://aislesinventory.com/chicago/lombard/marianos-lombard-lombard-53100543"
          },
          "Mariano’s",
          "238",
          "86.6%",
          "32"
        ],
        [
          {
            "text": "Mariano’s Elmhurst",
            "url": "https://aislesinventory.com/chicago/elmhurst/marianos-elmhurst-elmhurst-53100511"
          },
          "Mariano’s",
          "235",
          "86.4%",
          "32"
        ],
        [
          {
            "text": "Mariano’s Bucktown",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bucktown-chicago-53100516"
          },
          "Mariano’s",
          "237",
          "86.1%",
          "33"
        ],
        [
          {
            "text": "Mariano’s Park Ridge",
            "url": "https://aislesinventory.com/chicago/park-ridge/marianos-park-ridge-park-ridge-53100525"
          },
          "Mariano’s",
          "239",
          "85.4%",
          "35"
        ],
        [
          {
            "text": "Mariano’s Glenview East",
            "url": "https://aislesinventory.com/chicago/glenview/marianos-glenview-east-glenview-53100518"
          },
          "Mariano’s",
          "239",
          "84.9%",
          "36"
        ],
        [
          {
            "text": "Mariano’s Jefferson Park",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-jefferson-park-chicago-53100507"
          },
          "Mariano’s",
          "239",
          "84.5%",
          "37"
        ],
        [
          {
            "text": "Mariano’s Oak Lawn",
            "url": "https://aislesinventory.com/chicago/oak-lawn/marianos-oak-lawn-oak-lawn-53100517"
          },
          "Mariano’s",
          "237",
          "84.4%",
          "37"
        ],
        [
          {
            "text": "Mariano’s Arlington Heights",
            "url": "https://aislesinventory.com/chicago/arlington-heights/marianos-arlington-heights-arlington-heights-53100501"
          },
          "Mariano’s",
          "241",
          "83.4%",
          "40"
        ],
        [
          {
            "text": "Mariano’s Western Springs",
            "url": "https://aislesinventory.com/chicago/western-springs/marianos-western-springs-western-springs-53100529"
          },
          "Mariano’s",
          "240",
          "83.3%",
          "40"
        ],
        [
          {
            "text": "Mariano’s Bridgeport",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-bridgeport-chicago-53100520"
          },
          "Mariano’s",
          "238",
          "82.4%",
          "42"
        ],
        [
          {
            "text": "Mariano’s West Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-west-loop-chicago-53100508"
          },
          "Mariano’s",
          "234",
          "81.2%",
          "44"
        ],
        [
          {
            "text": "Mariano’s Ravenswood",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ravenswood-chicago-53100515"
          },
          "Mariano’s",
          "238",
          "80.7%",
          "46"
        ],
        [
          {
            "text": "Mariano’s Skokie",
            "url": "https://aislesinventory.com/chicago/skokie/marianos-skokie-skokie-53100531"
          },
          "Mariano’s",
          "238",
          "80.3%",
          "47"
        ],
        [
          {
            "text": "Mariano’s New City",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-new-city-chicago-53100534"
          },
          "Mariano’s",
          "235",
          "80.0%",
          "47"
        ],
        [
          {
            "text": "Mariano’s South Loop",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-south-loop-chicago-53100512"
          },
          "Mariano’s",
          "240",
          "80.0%",
          "48"
        ],
        [
          {
            "text": "Food 4 Less Dolton",
            "url": "https://aislesinventory.com/chicago/dolton/food-4-less-dolton-dolton-70800566"
          },
          "Food 4 Less",
          "203",
          "78.8%",
          "43"
        ],
        [
          {
            "text": "Food 4 Less Main Street Shopping Center",
            "url": "https://aislesinventory.com/chicago/evanston/food-4-less-main-street-shopping-center-evanston-70800558"
          },
          "Food 4 Less",
          "203",
          "78.3%",
          "44"
        ],
        [
          {
            "text": "Food 4 Less Hammond Shopping Center",
            "url": "https://aislesinventory.com/chicago/hammond/food-4-less-hammond-shopping-center-hammond-70800787"
          },
          "Food 4 Less",
          "206",
          "77.7%",
          "46"
        ],
        [
          {
            "text": "Food 4 Less Englewood Plaza",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-englewood-plaza-chicago-70800552"
          },
          "Food 4 Less",
          "203",
          "76.8%",
          "47"
        ],
        [
          {
            "text": "Mariano’s 3030 Broadway",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-3030-broadway-chicago-53100538"
          },
          "Mariano’s",
          "231",
          "74.9%",
          "58"
        ],
        [
          {
            "text": "Food 4 Less 31st Cicero",
            "url": "https://aislesinventory.com/chicago/cicero/food-4-less-31st-cicero-cicero-70800551"
          },
          "Food 4 Less",
          "203",
          "74.9%",
          "51"
        ],
        [
          {
            "text": "Food 4 Less Alsip",
            "url": "https://aislesinventory.com/chicago/alsip/food-4-less-alsip-alsip-70800553"
          },
          "Food 4 Less",
          "200",
          "74.5%",
          "51"
        ],
        [
          {
            "text": "Mariano’s Edgewater",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-edgewater-chicago-53100522"
          },
          "Mariano’s",
          "235",
          "74.5%",
          "60"
        ],
        [
          {
            "text": "Food 4 Less 87th Dan Ryan",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-87th-dan-ryan-chicago-70800570"
          },
          "Food 4 Less",
          "205",
          "73.7%",
          "54"
        ],
        [
          {
            "text": "Mariano’s Roscoe Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-roscoe-village-chicago-53100504"
          },
          "Mariano’s",
          "235",
          "72.3%",
          "65"
        ],
        [
          {
            "text": "Food 4 Less Washington Square",
            "url": "https://aislesinventory.com/chicago/chicago/food-4-less-washington-square-chicago-70800567"
          },
          "Food 4 Less",
          "210",
          "71.9%",
          "59"
        ],
        [
          {
            "text": "Mariano’s Lakeshore East",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-lakeshore-east-chicago-53100503"
          },
          "Mariano’s",
          "234",
          "70.1%",
          "70"
        ],
        [
          {
            "text": "Mariano’s Ukrainian Village",
            "url": "https://aislesinventory.com/chicago/chicago/marianos-ukrainian-village-chicago-53100527"
          },
          "Mariano’s",
          "238",
          "61.3%",
          "92"
        ]
      ]
    },
    {
      "id": "more",
      "title": "More",
      "type": "links",
      "inline": true,
      "items": [
        {
          "name": "All cities on October 19, 2026",
          "url": "https://aislesinventory.com/reports/2026-10-19"
        },
        {
          "name": "Chicago, IL store inventory",
          "url": "https://aislesinventory.com/chicago"
        },
        {
          "name": "All reports",
          "url": "https://aislesinventory.com/reports"
        }
      ]
    },
    {
      "id": "method",
      "title": "How this report was made",
      "type": "text",
      "paragraphs": [
        "Snapshot: for every store and product, the most recent retailer-reported observation retrieved by the end of the report date (UTC). Observations past their freshness window count as \"status unknown\".",
        "In-stock rate: listings reported in stock or low stock, divided by listings with a reported status (in stock, low stock or out of stock). Listings whose status the retailer did not report are excluded from the rate and counted separately.",
        "Prices: store prices as reported by the retailer, including any promotion it reported. City and chain comparisons use only current readings with a price, take the median store price per product, and compare only identical products (the same Kroger product ID, which is the item’s UPC, so package sizes match). A chain pair is shown only when 10 or more products were priced at both.",
        "Aisles did not physically verify stock or prices. Retailer systems can be wrong or delayed."
      ]
    }
  ],
  "faq": [
    {
      "q": "What was hardest to find in the Chicago, IL area on October 19, 2026?",
      "a": "Milk: 69.3% of listings with a reported status were in stock."
    },
    {
      "q": "Which chain was cheaper in the Chicago, IL area?",
      "a": "Food 4 Less averaged 9.4% lower prices than Mariano’s across 161 identical products on October 19, 2026."
    }
  ],
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          "@id": "https://aislesinventory.com/#organization",
          "name": "Aisles",
          "url": "https://aislesinventory.com/",
          "description": "Retailer-reported, store-level product availability and prices, checked daily.",
          "email": "aburow@nd.edu",
          "contactPoint": {
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            "contactType": "customer support",
            "email": "aburow@nd.edu"
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          "name": "Aisles",
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