Boundary Atlas

ZIP code 52229: Garrison, IA

ZIP code 52229 is in Garrison (47% of residents), in Benton County, Iowa. 53% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate districts are State Senate District 42 (83%) and State Senate District 38 (17%); its state house districts are State House District 84 (83%) and State House District 76 (17%).

730residents (2020 Census)
52.6 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Garrison47%

CountyShare of ZIP residents
Benton County100%

Town or county subdivisionShare of ZIP residents
Jackson township67%
Monroe township15%
Big Grove township14%
Homer township2.5%
Bruce township1.5%
Cedar township1.0%

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 4283%
State Senate District 3817%

State house districtShare of ZIP residents
State House District 8483%
State House District 7617%

Voting precincts

4 voting precincts overlap ZIP 52229. 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:52229")

ZIP 52229 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.