Use U.S. Census Bureau with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Access demographic data from the American Community Survey (ACS). Get total population, median age, and detailed racial/ethnic breakdowns (White, Black, Asian,
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 5 capabilities
The complete U.S. Census Bureau capability set.
These are the exact actions your AI can choose when you ask it to work with U.S. Census Bureau.
01-03
3 capabilities in this set.
Part of 5 available through U.S. Census Bureau.
- 01
Get population by state
The ACS is the most comprehensive demographic survey in the U.S., sampling 3.5 million households annually. Get total population and median age for all 50 U.S. states + DC
- 02
Get demographics by county
Get racial and ethnic demographics for all counties in a state
- 03
Get demographics by state
Essential for diversity analysis, market segmentation, and policy research. Get racial and ethnic demographics for all states. White, Black, Asian, Hispanic, foreign-born
04-05
2 capabilities in this set.
Part of 5 available through U.S. Census Bureau.
- 04
Get population by city
This includes incorporated cities and Census Designated Places. Get population for all cities/towns/places within a state
- 05
Get population by county
Use state FIPS codes: CA=06, TX=48, NY=36, FL=12, IL=17, PA=42, OH=39, GA=13, NC=37, MI=26, etc. Get population and median age for all counties in a state
Observed, not estimated
768ms average. Fast in production.
U.S. Census Bureau is checked daily against the live service.
- Fastest day
- 724ms
- Slowest day
- 1080ms
- 14-day trend
- Stable-3%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 5 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of U.S. Census Bureau, so you can see the experience inside your AI.
It does not authenticate your account with U.S. Census Bureau. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
U.S. Census Bureau Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_X9KjJk3LlgABMFZjBAdC0M2I7wWVqYGBSvRrDu6o/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — U.S. Census Bureau capabilities are ready to use.
{
"mcpServers": {
"us-census-population-demographics-age-diversity-mcp": {
"url": "https://edge.vinkius.com/vk_preview_X9KjJk3LlgABMFZjBAdC0M2I7wWVqYGBSvRrDu6o/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions U.S. Census Bureau owners ask.
- 01
What are FIPS codes?
FIPS (Federal Information Processing Standard) codes are numbers used by the government to uniquely identify states, counties, and places. E.g., California is 06, Los Angeles County is 037.
- 02
Which census survey do you use?
We use the American Community Survey (ACS) 5-Year estimates, which provide the most reliable, detailed, and broad demographic data annually.
- 03
Are undocumented immigrants counted?
Yes, the Census Bureau attempts to count all residents regardless of immigration status, though this group is historically harder to count accurately.
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