Boundary Atlas

ZIP code 48201: Detroit, MI

ZIP code 48201 is in Detroit, in Wayne County, Michigan. It is in Michigan's 13th congressional district. Its state senate district is State Senate District 1; its state house district is State House District 9.

14,500residents (2020 Census)
1.9 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Detroit100%

CountyShare of ZIP residents
Wayne County100%

Town or county subdivisionShare of ZIP residents
Detroit city100%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 13th congressional district (MI-13)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%
State Senate District 3land only

State house districtShare of ZIP residents
State House District 9100%

Voting precincts

10 voting precincts overlap ZIP 48201. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:48201")

ZIP 48201 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.