Boundary Atlas

ZIP code 52638: Middletown, IA

ZIP code 52638 is in Middletown (66% of residents), in Des Moines County, Iowa. 34% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate districts are State Senate District 48 (81%) and State Senate District 50 (19%); its state house districts are State House District 95 (81%) and State House District 99 (19%).

546residents (2020 Census)
33.8 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Middletown66%

CountyShare of ZIP residents
Des Moines County100%

Town or county subdivisionShare of ZIP residents
Middletown city66%
Danville township19%
Flint River township14%
Union townshipland only

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 48)Mark Lofgren (R)81%
State Senator (State Senate District 50)Jeff Reichman (R)19%
State Representative (State House District 95)Taylor Collins (R)81%
State Representative (State House District 99)Matt Rinker (R)19%

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 4881%
State Senate District 5019%

State house districtShare of ZIP residents
State House District 9581%
State House District 9919%

Voting precincts

3 voting precincts overlap ZIP 52638. Map them, with each precinct's share of the ZIP's residents.

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ZIP 52638 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.