Boundary Atlas

ZIP code 52209: Blairstown, IA

ZIP code 52209 is in Blairstown (64% of residents), in Benton County (97%) and Iowa County (2.5%), Iowa. 36% of its residents live outside city limits. It is in Iowa's 2nd congressional district (97%) and Iowa's 1st congressional district (2.5%). Its state senate districts are State Senate District 42 (97%) and State Senate District 46 (2.5%); its state house districts are State House District 84 (97%) and State House District 91 (2.5%).

1,106residents (2020 Census)
39.3 sq miland area
1cities and towns
2congressional districts
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Blairstown64%

CountyShare of ZIP residents
Benton County97%
Iowa County2.5%

Town or county subdivisionShare of ZIP residents
Leroy township92%
St. Clair township4.5%
Marengo township2.5%
Eldorado township0.6%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)97%
Iowa's 1st congressional district (IA-01)2.5%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-291197%
U.S. Representative (IA-01)Mariannette Miller-Meeks (R)202-225-65762.5%
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 42)Charlie McClintock (R)97%
State Senator (State Senate District 46)Dawn Driscoll (R)2.5%
State Representative (State House District 84)Tom Gerhold (R)97%
State Representative (State House District 91)Judd Lawler (R)2.5%

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 4297%
State Senate District 462.5%

State house districtShare of ZIP residents
State House District 8497%
State House District 912.5%

Voting precincts

4 voting precincts overlap ZIP 52209. 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:52209")

ZIP 52209 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.