Boulder County, Colorado
What we have for Boulder County today, and what is coming.
Basics
- County code (FIPS): 08013
- Land area: 726 square miles
- Population: 330,758
Federal money spent here
Fiscal year 2026: $3.4 billion in federal contracts, grants, loans and other awards for work done in Boulder County.
Who represents Boulder County
U.S. Senate (whole state): Michael F. Bennet (Democrat), John W. Hickenlooper (Democrat).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 2 | Joe Neguse (Democrat) | 100% |
| Congressional District 7 | Brittany Pettersen (Democrat) | 0% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 15 | Janice Marchman (Democratic) | 78.5% |
| State Senate District 18 | Judy Amabile (Democratic) | 10.8% |
| State Senate District 17 | Katie Wallace (Democratic) | 10.7% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 49 | Lesley Smith (Democratic) | 77.9% |
| State House District 12 | Kyle Brown (Democratic) | 10.4% |
| State House District 19 | Dan Woog (Republican) | 4.5% |
| State House District 11 | Karen McCormick (Democratic) | 3.9% |
| State House District 10 | Junie Joseph (Democratic) | 3.3% |
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.