{
  "id": "coverage-index",
  "title": "Radon Connect Coverage Index",
  "description": "Every metro market, its state, its routing territories, and the number of city pages and covered communities — the platform’s complete published footprint as structured data.",
  "version": "1.0.0",
  "status": "published",
  "provenance": "derived-from-config",
  "license": "CC BY 4.0 — reuse with attribution to Radon Connect and a link to the dataset page.",
  "published": "2026-07-29",
  "canonical": "https://radonconnect.com/datasets/coverage-index/",
  "schema": [
    {
      "key": "market",
      "label": "Market",
      "type": "string",
      "description": "Metro market name."
    },
    {
      "key": "slug",
      "label": "Slug",
      "type": "string",
      "description": "Route segment for the market hub."
    },
    {
      "key": "state",
      "label": "State",
      "type": "string",
      "description": "State the market sits in."
    },
    {
      "key": "territories",
      "label": "Routing territories",
      "type": "number",
      "unit": "counties",
      "description": "County-level routing units. Every supported ZIP belongs to exactly one."
    },
    {
      "key": "cityPages",
      "label": "City pages",
      "type": "number",
      "unit": "pages",
      "description": "Published city pages under this market."
    }
  ],
  "methodology": {
    "question": "Where does this platform actually publish, and at what depth?",
    "construction": [
      "Generated at build time from the market registry that drives routing, the sitemap, and the ZIP resolver.",
      "Territory counts are the county-level routing units used to match a request to a contractor."
    ],
    "inclusion": [
      "Active markets only. Inactive configuration placeholders are excluded."
    ],
    "limitations": [
      "Coverage describes where we publish and route, not where radon is prevalent. Nothing here should be read as a risk map.",
      "A market appearing here does not guarantee contractor availability for a given address at a given time."
    ]
  },
  "rowCount": 35,
  "rows": [
    {
      "market": "Suburban Chicagoland",
      "slug": "chicagoland",
      "state": "Illinois",
      "territories": 6,
      "cityPages": 24
    },
    {
      "market": "Rockford & the Rock River Valley",
      "slug": "rockford",
      "state": "Illinois",
      "territories": 4,
      "cityPages": 10
    },
    {
      "market": "Peoria & the Illinois River Valley",
      "slug": "peoria",
      "state": "Illinois",
      "territories": 3,
      "cityPages": 9
    },
    {
      "market": "Springfield & the Capital Region",
      "slug": "springfield-il",
      "state": "Illinois",
      "territories": 3,
      "cityPages": 8
    },
    {
      "market": "Bloomington-Normal",
      "slug": "bloomington-normal",
      "state": "Illinois",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Champaign-Urbana",
      "slug": "champaign-urbana",
      "state": "Illinois",
      "territories": 2,
      "cityPages": 8
    },
    {
      "market": "Decatur & Macon County",
      "slug": "decatur",
      "state": "Illinois",
      "territories": 3,
      "cityPages": 7
    },
    {
      "market": "Quad Cities (Illinois)",
      "slug": "quad-cities",
      "state": "Illinois",
      "territories": 2,
      "cityPages": 8
    },
    {
      "market": "Kankakee County",
      "slug": "kankakee",
      "state": "Illinois",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "DeKalb County",
      "slug": "dekalb",
      "state": "Illinois",
      "territories": 1,
      "cityPages": 6
    },
    {
      "market": "Des Moines Metro",
      "slug": "des-moines",
      "state": "Iowa",
      "territories": 3,
      "cityPages": 8
    },
    {
      "market": "Cedar Rapids Metro",
      "slug": "cedar-rapids",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 8
    },
    {
      "market": "Davenport & the Iowa Quad Cities",
      "slug": "davenport",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 8
    },
    {
      "market": "Dubuque",
      "slug": "dubuque",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Iowa City & Johnson County",
      "slug": "iowa-city",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Waterloo-Cedar Falls",
      "slug": "waterloo-cedar-falls",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Mason City & North Iowa",
      "slug": "mason-city",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Fort Dodge & Webster County",
      "slug": "fort-dodge",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Sioux City & Siouxland",
      "slug": "sioux-city",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 5
    },
    {
      "market": "Council Bluffs & Pottawattamie County",
      "slug": "council-bluffs",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Ames & Story County",
      "slug": "ames",
      "state": "Iowa",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Omaha Metro",
      "slug": "omaha",
      "state": "Nebraska",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Lincoln & Lancaster County",
      "slug": "lincoln",
      "state": "Nebraska",
      "territories": 2,
      "cityPages": 5
    },
    {
      "market": "Minneapolis–St. Paul",
      "slug": "minneapolis-st-paul",
      "state": "Minnesota",
      "territories": 3,
      "cityPages": 6
    },
    {
      "market": "Madison & Dane County",
      "slug": "madison",
      "state": "Wisconsin",
      "territories": 1,
      "cityPages": 7
    },
    {
      "market": "Grand Rapids & West Michigan",
      "slug": "grand-rapids",
      "state": "Michigan",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Columbus Metro",
      "slug": "columbus",
      "state": "Ohio",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Cincinnati Metro",
      "slug": "cincinnati",
      "state": "Ohio",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Dayton Metro",
      "slug": "dayton",
      "state": "Ohio",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Pittsburgh Metro",
      "slug": "pittsburgh",
      "state": "Pennsylvania",
      "territories": 2,
      "cityPages": 6
    },
    {
      "market": "Harrisburg & the Susquehanna Valley",
      "slug": "harrisburg",
      "state": "Pennsylvania",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Denver Metro",
      "slug": "denver",
      "state": "Colorado",
      "territories": 3,
      "cityPages": 6
    },
    {
      "market": "Colorado Springs & the Pikes Peak Region",
      "slug": "colorado-springs",
      "state": "Colorado",
      "territories": 1,
      "cityPages": 7
    },
    {
      "market": "Fort Collins & Northern Colorado",
      "slug": "fort-collins",
      "state": "Colorado",
      "territories": 2,
      "cityPages": 7
    },
    {
      "market": "Lexington & the Bluegrass",
      "slug": "lexington",
      "state": "Kentucky",
      "territories": 2,
      "cityPages": 7
    }
  ]
}