Boundary Atlas

ZIP code 52144: Fort Atkinson, IA

ZIP code 52144 is in Fort Atkinson (26% of residents), in Winneshiek County (97%) and Fayette County (3.0%), Iowa. 74% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate district is State Senate District 32; its state house district is State House District 63.

1,186residents (2020 Census)
74.5 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Fort Atkinson26%
Jackson Junction0.2%

CountyShare of ZIP residents
Winneshiek County97%
Fayette County3.0%

Town or county subdivisionShare of ZIP residents
Washington township69%
Jackson township13%
Sumner township11%
Auburn township3.0%
Calmar township2.9%
Military township1.6%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-2911100%
U.S. SenatorChuck Grassley (R)202-224-3744 · contact formstatewide
U.S. SenatorJoni Ernst (R)202-224-3254 · contact formstatewide
State Senator (State Senate District 32)Mike Klimesh (R)100%
State Representative (State House District 63)Michael Bergan (R)100%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 32100%

State house districtShare of ZIP residents
State House District 63100%

Voting precincts

4 voting precincts overlap ZIP 52144. 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:52144")

ZIP 52144 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.