Boundary Atlas

South Hills, Montana

South Hills is a Census-designated place (an unincorporated community) in Jefferson County, Montana, with 644 residents in 2020. It is in Montana's 2nd congressional district. It spans 2 state senate and 2 state house districts.

644residents (2020 Census)
5.9 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Jefferson County100%

Congressional district

Congressional districtShare of residents
Montana's 2nd congressional district (MT-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MT-02)Troy Downing (R)202-225-3211100%
U.S. SenatorSteve Daines (R)202-224-2651 · contact formstatewide
U.S. SenatorTim Sheehy (R)202-224-2644statewide
State Senator (State Senate District 40)Laura Smith (Democratic)90%
State Senator (State Senate District 38)Becky Beard (R)9.6%
State Representative (State House District 79)Luke Muszkiewicz (Democratic)90%
State Representative (State House District 75)Mark Reinschmidt (R)9.6%

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 residents
State Senate District 4090%
State Senate District 389.6%

State house districtShare of residents
State House District 7990%
State House District 759.6%

ZIP codes

Percentages mark ZIPs only partly in South Hills: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get South Hills's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:3069725")

South Hills here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.