Boundary Atlas

ZIP code 59923: Libby, MT

ZIP code 59923 is in Libby (28% of residents), Pioneer Junction (9.3%), White Haven (5.1%) and Happys Inn (1.8%), in Lincoln County, Montana. 55% of its residents live outside city limits. It is in Montana's 1st congressional district. Its state senate district is State Senate District 1; its state house districts are State House District 2 (91%) and State House District 1 (9.0%).

9,743residents (2020 Census)
1,412.5 sq miland area
4cities and towns
1congressional district
7voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Libby28%
Pioneer Junction9.3%
White Haven5.1%
Happys Inn1.8%

CountyShare of ZIP residents
Lincoln County100%

Town or county subdivisionShare of ZIP residents
Libby CCD100%
Eureka CCDland only

Congressional district

Congressional districtShare of ZIP residents
Montana's 1st congressional district (MT-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MT-01)Ryan K. Zinke (R)202-225-5628100%
U.S. SenatorSteve Daines (R)202-224-2651 · contact formstatewide
U.S. SenatorTim Sheehy (R)202-224-2644statewide
State Senator (State Senate District 1)Mike Cuffe (R)100%
State Representative (State House District 2)Tom Millett (R)91%
State Representative (State House District 1)Neil Duram (R)9.0%

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 1100%

State house districtShare of ZIP residents
State House District 291%
State House District 19.0%

Voting precincts

7 voting precincts overlap ZIP 59923. Map them, with each precinct's share of the ZIP's residents.

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ZIP 59923 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.