Boundary Atlas

ZIP code 50551: Jolley, IA

ZIP code 50551 is in Jolley (24% of residents), in Calhoun County, Iowa. 76% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 4; its state house district is State House District 7.

115residents (2020 Census)
26.9 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
Jolley24%

CountyShare of ZIP residents
Calhoun County100%

Town or county subdivisionShare of ZIP residents
Butler township58%
Williams township21%
Twin Lakes township16%
Garfield township5.2%

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-4426100%
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 4)Tim Kraayenbrink (R)100%
State Representative (State House District 7)Wendy Larson (R)100%

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 4100%

State house districtShare of ZIP residents
State House District 7100%

Voting precincts

2 voting precincts overlap ZIP 50551. 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:

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ZIP 50551 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.