Boundary Atlas

ZIP code 50139: Lacona, IA

ZIP code 50139 is in Lacona (29% of residents), in Warren County (72%), Marion County (17%) and Lucas County (11%), Iowa. 71% of its residents live outside city limits. It is in Iowa's 1st congressional district (89%) and Iowa's 3rd congressional district (11%). Its state senate districts are State Senate District 11 (75%), State Senate District 19 (13%) and State Senate District 12 (11%); its state house districts are State House District 21 (75%), State House District 37 (13%) and State House District 24 (11%).

1,172residents (2020 Census)
85.4 sq miland area
1cities and towns
2congressional districts
7voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Lacona29%

CountyShare of ZIP residents
Warren County72%
Marion County17%
Lucas County11%

Town or county subdivisionShare of ZIP residents
White Breast township60%
Dallas township13%
Liberty township9.8%
Liberty township8.3%
Franklin township3.7%
Belmont township3.2%
Otter Creek township0.9%
English township0.5%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 1st congressional district (IA-01)89%
Iowa's 3rd congressional district (IA-03)11%

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-01)Mariannette Miller-Meeks (R)202-225-657689%
U.S. Representative (IA-03)Zachary Nunn (R)202-225-547611%
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 19)Ken Rozenboom (R)13%
State Senator (State Senate District 12)Amy Sinclair (R)11%
State Representative (State House District 21)Brooke Boden (R)75%
State Representative (State House District 37)Barb Kniff McCulla (R)13%
State Representative (State House District 24)Sam Wengryn (R)11%

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 1175%
State Senate District 1913%
State Senate District 1211%

State house districtShare of ZIP residents
State House District 2175%
State House District 3713%
State House District 2411%

Voting precincts

7 voting precincts overlap ZIP 50139. Map them, with each precinct's share of the ZIP's residents.

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ZIP 50139 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.