Census Geocode MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 518 installs a week from npm. Last commit 28 Oct 2026.
US Census geocoder: addresses to coordinates, reverse geocoding and census geography lookup.
Today is the operative word: we check Census Geocode MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add census-geocode-mcp -- npx -y @mrfentmen/census-geocode-mcp
{
"mcpServers": {
"census-geocode-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/census-geocode-mcp"
]
}
}
}
[mcp_servers.census-geocode-mcp]
command = "npx"
args = ["-y", "@mrfentmen/census-geocode-mcp"]
{
"mcpServers": {
"census-geocode-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/census-geocode-mcp"
]
}
}
}
{
"servers": {
"census-geocode-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/census-geocode-mcp"
]
}
}
}
Census Bureau geocoding API: address to coordinates and census geography.
Convert addresses to coordinates and reverse-geocode locations worldwide
Geocode addresses, autocomplete searches and reverse geocode coordinates on open data. Free tier.
Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.
Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.
Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.
US address lists to geography
Geocode US addresses to census tracts and add ACS demographics. Runs on Apify.
Answers built from our own checks of this server.