Boundary Atlas

ZIP code 48906: Lansing, MI

ZIP code 48906 is in Lansing (66% of residents), in Ingham County (66%), Clinton County (31%) and Eaton County (3.4%), Michigan. 34% of its residents live outside city limits. It is in Michigan's 7th congressional district. Its state senate districts are State Senate District 21 (54%) and State Senate District 28 (46%); its state house districts are State House District 77 (97%) and State House District 76 (3.4%).

25,674residents (2020 Census)
32.5 sq miland area
2cities and towns
1congressional district
16voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Lansing66%
Wacousta0.1%

CountyShare of ZIP residents
Ingham County66%
Clinton County31%
Eaton County3.4%

Town or county subdivisionShare of ZIP residents
Lansing city66%
DeWitt charter township25%
Watertown charter township5.8%
Delta charter township3.4%
Lansing charter township<0.1%
Lansing city<0.1%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 7th congressional district (MI-07)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2154%
State Senate District 2846%

State house districtShare of ZIP residents
State House District 7797%
State House District 763.4%

Voting precincts

16 voting precincts overlap ZIP 48906. 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:48906")

ZIP 48906 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.