mcp-census
Click on "Install 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., "@mcp-censusWhat's the median household income in California by county?"
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-census
Query the US Census Bureau API for demographic, economic, and geographic data.
Free API — No API key required.
Tools
Tool | Description |
| Search available US Census Bureau datasets by keyword (e.g. 'acs', 'decennial', 'business patterns') |
| List variables available in a Census dataset. Use to discover variable codes before querying data. |
| List supported geography levels for a Census dataset (state, county, tract, etc.) |
| Query Census Bureau data. Returns tabular data for specified variables and geography. Requires CENSUS_API_KEY. |
| Convenience tool: get total population (B01001_001E) for a geography. Defaults to ACS 5-year 2022. |
Related MCP server: Open Census MCP Server
Installation
git clone https://github.com/PetrefiedThunder/mcp-census.git
cd mcp-census
npm install
npm run buildUsage with Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"census": {
"command": "node",
"args": ["/path/to/mcp-census/dist/index.js"]
}
}
}Usage with npx
npx mcp-censusLicense
MIT
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Maintenance
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