Boundary Atlas

ZIP code 51639: Farragut, IA

ZIP code 51639 is in Farragut (56% of residents), in Fremont County, Iowa. 44% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 8; its state house district is State House District 16.

873residents (2020 Census)
68.3 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
Farragut56%

CountyShare of ZIP residents
Fremont County100%

Town or county subdivisionShare of ZIP residents
Fisher township74%
Walnut township7.7%
Prairie township7.1%
Locust Grove township5.4%
Riverton township3.8%
Monroe township1.7%

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 8)Mark Costello (R)100%
State Representative (State House District 16)David Sieck (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 8100%

State house districtShare of ZIP residents
State House District 16100%

Voting precincts

3 voting precincts overlap ZIP 51639. 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 51639 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.