Boundary Atlas

Helena Valley Northwest, Montana

Helena Valley Northwest is a Census-designated place (an unincorporated community) in Lewis and Clark County, Montana, with 4,705 residents in 2020. It is in Montana's 2nd congressional district. It spans 2 state senate and 2 state house districts.

4,705residents (2020 Census)
16.4 sq miland area
1ZIP 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
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 42)Mary Ann Dunwell (Democratic)406-461-535863%
State Senator (State Senate District 9)Butch Gillespie (R)37%
State Representative (State House District 84)Julie Darling (R)63%
State Representative (State House District 17)Zack Wirth (R)406-750-585237%

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 4263%
State Senate District 937%

State house districtShare of residents
State House District 8463%
State House District 1737%

ZIP codes

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

Get this in your AI agent

Your agent can get Helena Valley Northwest'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:3035631")

Helena Valley Northwest 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.