Boundary Atlas

ZIP code 52731: Charlotte, IA

ZIP code 52731 is in Charlotte (47% of residents), in Clinton County (99%) and Jackson County (0.6%), Iowa. 53% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate districts are State Senate District 35 (99%) and State Senate District 33 (0.6%); its state house districts are State House District 70 (96%), State House District 69 (3.2%) and State House District 66 (0.6%).

835residents (2020 Census)
52.4 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Charlotte47%

CountyShare of ZIP residents
Clinton County99%
Jackson County0.6%

Town or county subdivisionShare of ZIP residents
Waterford township74%
Washington township19%
Deep Creek township3.2%
Bloomfield township2.2%
Fairfield township0.6%
Welton township0.4%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 1st congressional district (IA-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-01)Mariannette Miller-Meeks (R)202-225-6576100%
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 35)Mike Zimmer (Democratic)99%
State Senator (State Senate District 33)Carrie Koelker (R)0.6%
State Representative (State House District 70)Norlin Mommsen (R)96%
State Representative (State House District 69)Tom Determann (R)3.2%
State Representative (State House District 66)Steve Bradley (R)0.6%

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 3599%
State Senate District 330.6%

State house districtShare of ZIP residents
State House District 7096%
State House District 693.2%
State House District 660.6%

Voting precincts

5 voting precincts overlap ZIP 52731. Map them, with each precinct's share of the ZIP's residents.

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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:52731")

ZIP 52731 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.