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County List for a State: Population, Housing Units, Area, Coordinates (2010 Gazetteer)

usgazetteer/get-counties

Every county of one U.S. state or Puerto Rico from the 2010 Gazetteer county list: GEOID (state plus county FIPS), ANSI code, county name, 2010 population and housing units, land and water area (square metres and square miles) and the internal-point latitude and longitude. One row per county, at most 254 for Texas. Figures are as of the 2010 count and do not change. U.S. federal statistics data, served by Eden Engine; not endorsed or certified by the data publisher.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

U.S. Census Bureau

Source: U.S. Census Bureau, 2010 Gazetteer files (www2.census.gov/geo/docs/maps-data/data/gazetteer). Served by Eden Engine; not endorsed or certified by the Census Bureau.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install itCreate an account
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "usgazetteer/get-counties" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "usgazetteer/get-counties" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "usgazetteer/get-counties", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "usgazetteer/get-counties", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

ChargePrice
Per call
$0.0026
Updated
Oct 25, 2026

Input and output schemas

Input schema
input_schema.json
{
  "type": "object",
  "required": [
    "state"
  ],
  "properties": {
    "state": {
      "enum": [
        "01",
        "02",
        "04",
        "05",
        "06",
        "08",
        "09",
        "10",
        "11",
        "12",
        "13",
        "15",
        "16",
        "17",
        "18",
        "19",
        "20",
        "21",
        "22",
        "23",
        "24",
        "25",
        "26",
        "27",
        "28",
        "29",
        "30",
        "31",
        "32",
        "33",
        "34",
        "35",
        "36",
        "37",
        "38",
        "39",
        "40",
        "41",
        "42",
        "44",
        "45",
        "46",
        "47",
        "48",
        "49",
        "50",
        "51",
        "53",
        "54",
        "55",
        "56",
        "72"
      ],
      "type": "string",
      "description": "Two-digit state FIPS code: 01 Alabama, 02 Alaska, 04 Arizona, 05 Arkansas, 06 California, 08 Colorado, 09 Connecticut, 10 Delaware, 11 District of Columbia, 12 Florida, 13 Georgia, 15 Hawaii, 16 Idaho, 17 Illinois, 18 Indiana, 19 Iowa, 20 Kansas, 21 Kentucky, 22 Louisiana, 23 Maine, 24 Maryland, 25 Massachusetts, 26 Michigan, 27 Minnesota, 28 Mississippi, 29 Missouri, 30 Montana, 31 Nebraska, 32 Nevada, 33 New Hampshire, 34 New Jersey, 35 New Mexico, 36 New York, 37 North Carolina, 38 North Dakota, 39 Ohio, 40 Oklahoma, 41 Oregon, 42 Pennsylvania, 44 Rhode Island, 45 South Carolina, 46 South Dakota, 47 Tennessee, 48 Texas, 49 Utah, 50 Vermont, 51 Virginia, 53 Washington, 54 West Virginia, 55 Wisconsin, 56 Wyoming, 72 Puerto Rico."
    }
  },
  "additionalProperties": false
}
Output schema
output_schema.json
{
  "type": "object",
  "required": [
    "columns",
    "rowCount",
    "truncated",
    "droppedLines",
    "bytesRead",
    "consumedBytes",
    "rows"
  ],
  "properties": {
    "rows": {
      "type": "array",
      "items": {
        "type": "array",
        "items": {
          "type": [
            "string",
            "number",
            "null"
          ]
        }
      },
      "description": "One array per row, aligned with columns. Numeric columns are numbers (null when blank); GEOID, ANSICODE and names are strings."
    },
    "columns": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "USPS, GEOID, ANSICODE, NAME, POP10, HU10, ALAND, AWATER, ALAND_SQMI, AWATER_SQMI, INTPTLAT, INTPTLONG in that order."
    },
    "rowCount": {
      "type": "integer",
      "description": "Rows in this answer."
    },
    "bytesRead": {
      "type": "integer",
      "description": "Size of the text the file server returned, in bytes."
    },
    "truncated": {
      "type": "boolean",
      "description": "True when the body held more than 500 rows; the rest are not returned."
    },
    "droppedLines": {
      "type": "integer",
      "description": "Lines dropped because they were fragments of a byte window."
    },
    "consumedBytes": {
      "type": "integer",
      "description": "Bytes of the returned text up to the end of the last row returned; the next window starts at this offset plus the window's own start."
    }
  },
  "additionalProperties": false
}