How to get the Gallatin County voter file
Request it from the office below, send us the file, and you're ready to cut turf. Running countywide or in just part of Gallatin County? This is the office either way.
- Where to request it
- Gallatin County Elections Department (under the County Clerk & Recorder / Election Administrator)[email protected] | (406) 582-3060 | 311 W. Main St., Room 210, Bozeman, MT 59715 | Office hours: Mon–Fri 8 AM–5 PM | Election Administrator: Eric Semerad (Clerk & Recorder)
- Cost
- Actual cost only per MCA 13-2-122. No published flat schedule — request a quote from the Election Administrator. Expect $10–$50 for a county-scoped list; full county extract typically referred to SOS at $1,000.
- How to request
- Gallatin County publishes a 'Request for Registered Voter Information and/or Ballot Status Information' form on the Elections Forms page. Form requires a wet-ink signature (digital signatures not accepted) — print, sign, and email to [email protected] or deliver in person. Purpose-of-use and non-commercial certification required. For county-wide bulk extracts, Election Office will route to SOS.
- Turnaround
- 5–10 business days for county PRRs.
- Use restrictions
- Same as statewide: non-commercial use only; wet-ink signature required on the request form; ACP participants suppressed.
Costs and rules change, so confirm the current details with the office before you order. Once you have the file, we handle loading it, cutting turf, and getting your volunteers knocking.
Prefer the whole-state file, or running in a county not listed here? See the Montana statewide options.
Gallatin County at a glance.
Gallatin County had an estimated 126,984 residents in July 2024, the second most populous of Montana's 56 counties, up 6.7% since the 2020 census. Of those, 103,895 are 18 or older, the voting-age population, and 14.3% are 65 or older. It covers 2,605 square miles of land (49 people per square mile), and 40.3% of residents live outside any incorporated city or town.
The largest cities and towns are Bozeman (57,894), Belgrade (12,741), Manhattan (2,068), Three Forks (1,945) and West Yellowstone (1,202). The American Community Survey (2020-2024) puts it at a median age of 34.2, a median household income of $93,528, 54.3% of adults 25 and older holding a bachelor's degree or higher and 61.1% of occupied homes owned by the people living in them. In 2024, 69,897 votes were cast for president, about 67.3% of the voting-age population; the Democratic ticket took 50.0% and the Republican ticket 46.8%.
The two-party margin moved from D+3.4 in 2008 to D+3.2 in 2024.
- Population (2024 estimate)
- 126,984
- Population (2020 census base)
- 118,962
- Voting-age population (18+)
- 103,895
- Residents 65 and older
- 14.3%
- People per square mile
- 49
- Living outside incorporated places
- 40.3%
- Land area
- 2,605 sq mi
- Median age
- 34.2
- Median household income
- $93,528
- Adults 25+ with a bachelor's degree
- 54.3%
- Owner-occupied homes
- 61.1%
Largest cities and towns
- Bozeman 57,894
- Belgrade 12,741
- Manhattan 2,068
- Three Forks 1,945
- West Yellowstone 1,202
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 50.0% | 46.8% | D+3.2 | 69,897 |
| 2020 | 51.8% | 44.3% | D+7.5 | 71,507 |
| 2016 | 45.8% | 44.8% | D+1.0 | 52,169 |
| 2012 | 45.7% | 51.0% | R+5.3 | 47,113 |
| 2008 | 50.3% | 46.9% | D+3.4 | 48,155 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
Get set up in Gallatin County
Tell us about your race and we'll help you get the Gallatin County voter file loaded into Motion51 and your turf ready to walk.