Boundary Atlas

ZIP code 58338: Hampden, ND

ZIP code 58338 is in Hampden (39% of residents) and Alsen (1.3%), in Ramsey County (81%) and Cavalier County (19%), North Dakota. 60% of its residents live outside city limits. It is in North Dakota's at-large congressional district. Its state senate district is State Senate District 15; its state house district is State House District 15.

75residents (2020 Census)
79.7 sq miland area
2cities and towns
1congressional district
2voting precincts

See it on the mapAll of North Dakota

City and county

City or townShare of ZIP residents
Hampden39%
Alsen1.3%

CountyShare of ZIP residents
Ramsey County81%
Cavalier County19%

Town or county subdivisionShare of ZIP residents
Hampden city39%
Northfield township39%
Storlie township9.3%
Billings township8.0%
Royal township4.0%
Alsen city1.3%
Overland townshipland only
Prospect townshipland only

Congressional district

Congressional districtShare of ZIP residents
North Dakota's at-large congressional district (ND-AL)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (ND-AL)Julie Fedorchak (R)202-225-2611100%
U.S. SenatorJohn Hoeven (R)202-224-2551 · contact formstatewide
U.S. SenatorKevin Cramer (R)202-224-2043 · contact formstatewide
State Senator (State Senate District 15)Kent Weston (R)100%
State Representative (State House District 15)Donna Henderson (R)100%
State Representative (State House District 15)Kathy Frelich (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 15100%

State house districtShare of ZIP residents
State House District 15100%

Voting precincts

2 voting precincts overlap ZIP 58338. 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:

related_geographies(id="us:zcta:58338")

ZIP 58338 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.