Boundary Atlas

Libby, Montana

Libby is a city in Lincoln County, Montana, with 2,775 residents in 2020. It is in Montana's 1st congressional district. Its state senate district is State Senate District 1; its state house district is State House District 2.

2,775residents (2020 Census)
1.8 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Lincoln County100%

Congressional district

Congressional districtShare of 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)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 1100%

State house districtShare of residents
State House District 2100%

ZIP codes

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

Get this in your AI agent

Your agent can get Libby's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:3043450")

Libby 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.