LocalFree server, account needed

Census (ACS by ZIP) MCP server

mcpwright/census-mcp

U.S. Census (ACS) data by ZIP: income, demographics, housing, education, from a local store.

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Install Census (ACS by ZIP) in Claude Code

Claude Code
claude mcp add census-acs-by-zip -e CENSUS_API_KEY=... -- uvx mcpwright-census
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "census-acs-by-zip": {
      "command": "uvx",
      "args": [
        "mcpwright-census"
      ],
      "env": {
        "CENSUS_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Census (ACS by ZIP) MCP server do?

U.S. Census (ACS) data by ZIP: income, demographics, housing, education, from a local store.

Is the Census (ACS by ZIP) MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Census (ACS by ZIP) run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Census (ACS by ZIP) to Claude Code?

Run: claude mcp add census-acs-by-zip -e CENSUS_API_KEY=... -- uvx mcpwright-census

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