Boundary Atlas

Helena, Montana

Helena is a city in Lewis and Clark County, Montana, with 32,108 residents in 2020. It is in Montana's 2nd congressional district. It spans 3 state senate and 5 state house districts.

32,108residents (2020 Census)
17.3 sq miland area
3ZIP codes
1congressional district

County

CountyShare of residents
Lewis and Clark County100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorWilmot Collinscitywide
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)40%
State Senator (State Senate District 41)Janet Ellis (Democratic)39%
State Senator (State Senate District 42)Mary Ann Dunwell (Democratic)406-461-535821%
State Representative (State House District 80)Melissa Romano (Democratic)27%
State Representative (State House District 83)Jill Cohenour (Democratic)406-431-091221%
State Representative (State House District 81)Mary Caferro (Democratic)20%
State Representative (State House District 82)Pete Elverum (Democratic)19%
State Representative (State House District 79)Luke Muszkiewicz (Democratic)13%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 4040%
State Senate District 4139%
State Senate District 4221%

State house districtShare of residents
State House District 8027%
State House District 8321%
State House District 8120%
State House District 8219%
State House District 7913%

ZIP codes

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

Get this in your AI agent

Your agent can get Helena'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:3035600")

Helena 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.