Arapahoe County, Colorado
What we have for Arapahoe County today, and what is coming.
Basics
- County code (FIPS): 08005
- Land area: 798 square miles
- Population: 655,070
Federal money spent here
Fiscal year 2026: $4.3 billion in federal contracts, grants, loans and other awards for work done in Arapahoe County.
Who represents Arapahoe 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 4 | Lauren Boebert (Republican) | 75.9% |
| Congressional District 6 | Jason Crow (Democrat) | 23.9% |
| Congressional District 1 | Diana DeGette (Democrat) | 0.1% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 21 | Adrienne Benavidez (Democratic) | 56.5% |
| State Senate District 27 | Tom Sullivan (Democratic) | 21.3% |
| State Senate District 28 | Mike Weissman (Democratic) | 12.2% |
| State Senate District 26 | Jeff Bridges (Democratic) | 3.5% |
| State Senate District 16 | Chris Kolker (Democratic) | 3.4% |
| State Senate District 29 | Iman Jodeh (Democratic) | 2.9% |
| State Senate District 32 | Robert Rodriguez (Democratic) | 0.2% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 56 | Chris Richardson (Republican) | 74.1% |
| State House District 36 | Michael Carter (Democratic) | 7.8% |
| State House District 37 | Chad Clifford (Democratic) | 4.3% |
| State House District 61 | Eliza Hamrick (Democratic) | 3.1% |
| State House District 38 | Gretchen Rydin (Democratic) | 2.6% |
| State House District 40 | Naquetta Ricks (Democratic) | 2.4% |
| State House District 3 | Meg Froelich (Democratic) | 1.9% |
| State House District 41 | Jamie Jackson (Democratic) | 1.7% |
| State House District 42 | Mandy Lindsay (Democratic) | 1.6% |
| State House District 9 | Emily Sirota (Democratic) | 0.5% |
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.