Yellowstone County, Montana
What we have for Yellowstone County today, and what is coming.
Basics
- County code (FIPS): 30111
- Land area: 2,633 square miles
- Population: 164,731
Federal money spent here
Fiscal year 2026: $1.3 billion in federal contracts, grants, loans and other awards for work done in Yellowstone County.
Who represents Yellowstone County
U.S. Senate (whole state): Steve Daines (Republican), Tim Sheehy (Republican).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 2 | Troy Downing (Republican) | 100% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 18 | Ken Bogner (Republican) | 40.7% |
| State Senate District 19 | Barry Usher (Republican) | 26.4% |
| State Senate District 21 | Gayle Lammers (Republican) | 14.6% |
| State Senate District 27 | Vince Ricci (Republican) | 10% |
| State Senate District 22 | Daniel Zolnikov (Republican) | 3.4% |
| State Senate District 20 | Sue Vinton (Republican) | 2.9% |
| State Senate District 26 | Tom McGillvray (Republican) | 1% |
| State Senate District 24 | Mike Yakawich (Republican) | 0.6% |
| State Senate District 25 | Dennis Lenz (Republican) | 0.3% |
| State Senate District 23 | Emma Kerr-Carpenter (Democratic) | 0.2% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 35 | Gary Parry (Republican) | 40.7% |
| State House District 38 | Greg Oblander (Republican) | 26.4% |
| State House District 42 | Chip Fitzpatrick (Democratic) | 14.6% |
| State House District 54 | Lee Deming (Republican) | 7.3% |
| State House District 44 | Katie Zolnikov (Republican) | 3.3% |
| State House District 53 | Nelly Nicol (Republican) | 2.7% |
| State House District 40 | Mike Vinton (Republican) | 2.6% |
| State House District 52 | Stacy Zinn (Republican) | 0.9% |
| State House District 48 | Curtis Schomer (Republican) | 0.4% |
| State House District 39 | Kerri Seekins-Crowe (Republican) | 0.3% |
| State House District 50 | Anthony Nicastro (Republican) | 0.2% |
| State House District 43 | Larry Brewster (Republican) | 0.1% |
| State House District 45 | Denise Baum (Democratic) | 0.1% |
| State House District 46 | Denise Joy (Democratic) | 0.1% |
| State House District 47 | James Reavis (Democratic) | 0.1% |
| State House District 49 | Sherry Essmann (Republican) | 0.1% |
| State House District 51 | Jodee Etchart (Republican) | 0.1% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.