Boundary Atlas

Joliet, Montana

Joliet is a town in Carbon County, Montana, with 577 residents in 2020. It is in Montana's 2nd congressional district. Its state senate district is State Senate District 28; its state house district is State House District 55.

577residents (2020 Census)
0.3 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Carbon 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 28)Forrest Mandeville (R)100%
State Representative (State House District 55)Brad Barker (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 residents
State Senate District 28100%

State house districtShare of residents
State House District 55100%

ZIP codes

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

Get this in your AI agent

Your agent can get Joliet'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:3039700")

Joliet here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.