Boundary Atlas

ZIP code 58540: Garrison, ND

ZIP code 58540 is in Garrison (51% of residents) and White Shield (6.3%), in McLean County, North Dakota. 43% of its residents live outside city limits. It is in North Dakota's at-large congressional district. Its state senate districts are State Senate District 4 (100%) and State Senate District 6 (0.4%); its state house districts are State House District 4B (80%), State House District 4A (19%) and State House District 6 (0.4%).

2,880residents (2020 Census)
361.4 sq miland area
2cities and towns
1congressional district
3voting precincts

See it on the mapAll of North Dakota

City and county

City or townShare of ZIP residents
Garrison51%
White Shield6.3%

CountyShare of ZIP residents
McLean County100%

Town or county subdivisionShare of ZIP residents
Garrison city51%
Fort Berthold UT19%
North Central McLean UT14%
St. Mary township6.4%
West McLean UT6.0%
Blackwater township1.6%
McGinnis township1.2%
Snow township0.7%
Rosemont township0.2%
Loquemont 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 4)Chuck Walen (R)100%
State Senator (State Senate District 6)Paul Thomas (R)0.4%
State Representative (State House District 4B)Clayton Fegley (R)80%
State Representative (State House District 4A)Lisa Finley-DeVille (Democratic)19%
State Representative (State House District 6)Dan Vollmer (R)0.4%
State Representative (State House District 6)Dick Anderson (R)0.4%

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 Senate District 60.4%

State house districtShare of ZIP residents
State House District 4B80%
State House District 4A19%
State House District 60.4%

Voting precincts

3 voting precincts overlap ZIP 58540. Map them, with each precinct's share of the ZIP's residents.

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ZIP 58540 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.