Boundary Atlas

ZIP code 59840: Hamilton, MT

ZIP code 59840 is in Hamilton (33% of residents), in Ravalli County, Montana. 67% of its residents live outside city limits. It is in Montana's 1st congressional district. Its state senate districts are State Senate District 43 (92%) and State Senate District 44 (8.5%); its state house districts are State House District 86 (76%), State House District 85 (15%) and State House District 87 (8.5%).

14,466residents (2020 Census)
537.4 sq miland area
2cities and towns
1congressional district
11voting precincts

See it on the mapAll of Montana

City and county

City or townShare of ZIP residents
Hamilton33%
Charlos Heights0.9%

CountyShare of ZIP residents
Ravalli County100%

Town or county subdivisionShare of ZIP residents
Hamilton CCD99%
Darby CCD1.2%

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 43)Jason Ellsworth (R)406-360-000992%
State Senator (State Senate District 44)Theresa Manzella (R)8.5%
State Representative (State House District 86)Dave Bedey (R)76%
State Representative (State House District 85)Kathy Love (R)15%
State Representative (State House District 87)Terry Nelson (R)8.5%

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 4392%
State Senate District 448.5%

State house districtShare of ZIP residents
State House District 8676%
State House District 8515%
State House District 878.5%

Voting precincts

11 voting precincts overlap ZIP 59840. Map them, with each precinct's share of the ZIP's residents.

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ZIP 59840 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.