Boundary Atlas

ZIP code 52215: Chelsea, IA

ZIP code 52215 is in Chelsea (33% of residents), in Tama County (92%) and Poweshiek County (8.4%), Iowa. 67% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate district is State Senate District 27; its state house district is State House District 53.

692residents (2020 Census)
79.8 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Chelsea33%
Vining0.9%

CountyShare of ZIP residents
Tama County92%
Poweshiek County8.4%

Town or county subdivisionShare of ZIP residents
Salt Creek township58%
York township13%
Richland township11%
Otter Creek township9.7%
Jefferson township4.8%
Madison township3.6%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 27100%

State house districtShare of ZIP residents
State House District 53100%

Voting precincts

5 voting precincts overlap ZIP 52215. 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:52215")

ZIP 52215 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.