Boundary Atlas

ZIP code 50136: Keswick, IA

ZIP code 50136 is in Keswick (58% of residents), in Keokuk County (98%) and Iowa County (1.7%), Iowa. 42% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate districts are State Senate District 44 (98%) and State Senate District 46 (1.7%); its state house districts are State House District 88 (98%) and State House District 91 (1.7%).

418residents (2020 Census)
39.8 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Keswick58%

CountyShare of ZIP residents
Keokuk County98%
Iowa County1.7%

Town or county subdivisionShare of ZIP residents
Adams township81%
Prairie township17%
Dayton township1.7%

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 44)Adrian Dickey (R)98%
State Senator (State Senate District 46)Dawn Driscoll (R)1.7%
State Representative (State House District 88)Helena Hayes (R)98%
State Representative (State House District 91)Judd Lawler (R)1.7%

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 4498%
State Senate District 461.7%

State house districtShare of ZIP residents
State House District 8898%
State House District 911.7%

Voting precincts

2 voting precincts overlap ZIP 50136. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50136 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.