Provides access to US Census Bureau TIGERweb geographic boundary data via ArcGIS REST services, returning GeoJSON for states, counties, census tracts, places, ZCTAs, and congressional districts.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@tigerweb get GeoJSON for Florida counties"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
MCP server for accessing US Census Bureau TIGERweb geographic boundary data. Returns GeoJSON for states, counties, census tracts, places, ZCTAs, and congressional districts.
npm install
npm run buildRelated MCP server: OSM-GeoJSON-MCP-Server
Add to your Claude settings (.claude/settings.local.json or project settings):
{
"mcpServers": {
"tigerweb": {
"command": "node",
"args": ["/Users/shawndrake/.claude/mcp-servers/tigerweb/dist/index.js"]
}
}
}Get GeoJSON boundaries for US states.
stateFips (optional): Comma-separated state FIPS codes (e.g., '12' for Florida)
includeGeometry (optional): Whether to include coordinates (default: true)
Get GeoJSON boundaries for US counties.
stateFips: State FIPS code to get all counties in that state
countyGeoid: Specific 5-digit county GEOID (e.g., '12083' for Marion County, FL)
includeGeometry (optional): Whether to include coordinates
Get census tract boundaries within a county.
countyGeoid (required): 5-digit county GEOID
includeGeometry (optional): Whether to include coordinates
Get city/town boundaries within a state.
stateFips (required): State FIPS code
placeName (optional): Filter by name (partial match)
includeGeometry (optional): Whether to include coordinates
Get ZIP Code Tabulation Area boundaries.
zcta (required): Comma-separated ZCTA codes (e.g., '32601,32606')
includeGeometry (optional): Whether to include coordinates
Get congressional district boundaries.
stateFips (required): State FIPS code
district (optional): Specific district number
includeGeometry (optional): Whether to include coordinates
List all available geographic layer types with descriptions and examples.
State | FIPS |
Alabama | 01 |
California | 06 |
Florida | 12 |
New York | 36 |
Texas | 48 |
County GEOIDs are 5 digits: state FIPS (2) + county FIPS (3). Example: 12083 = Florida (12) + Marion (083).
All data comes from the US Census Bureau's TIGERweb REST Services: https://tigerweb.geo.census.gov/arcgis/rest/services/
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