Boundary Atlas

ZIP code 48009: Birmingham, MI

ZIP code 48009 is in Birmingham, in Oakland County, Michigan. It is in Michigan's 11th congressional district. Its state senate district is State Senate District 7; its state house districts are State House District 6 (78%), State House District 19 (12%) and State House District 56 (11%).

21,817residents (2020 Census)
5.0 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Birmingham100%

CountyShare of ZIP residents
Oakland County100%

Town or county subdivisionShare of ZIP residents
Birmingham city100%
Bloomfield charter township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 11th congressional district (MI-11)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%

State house districtShare of ZIP residents
State House District 678%
State House District 1912%
State House District 5611%

Voting precincts

6 voting precincts overlap ZIP 48009. 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:48009")

ZIP 48009 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.