CO District 4
Colorado · 4 Counties · Greeley, Castle Rock, Loveland
civdotiq.org
Federal Representatives
Michael Bennet
Democratic · U.S. Senator
Phone: 202-224-5852
Web: https://www.bennet.senate.gov
Office: 261 Russell Senate Office Building Washington DC 20510
John Hickenlooper
Democratic · U.S. Senator
Phone: 202-224-5941
Web: https://www.hickenlooper.senate.gov
Office: 316 Hart Senate Office Building Washington DC 20510
Lauren Boebert
Republican · U.S. Representative
Phone: 202-225-4761
Web: https://boebert.house.gov
Office: 1713 Longworth House Office Building Washington DC 20515-0604
Key Demographics
756,186
Population
$115K
Median Income
39
Median Age
| Metric | Value |
|---|---|
| Bachelor's Degree or Higher | 31.0% |
| Poverty Rate | 6.8% |
| Urban Population | 53% |
| Diversity Index | 36.2 |
| Land Area | 32,138 sq mi |
Federal Spending
$2.8M
Total Annual
16
Contracts & Grants
$444K
Infrastructure
| Project | Agency | Amount |
|---|---|---|
| SIERRA NEVADA COMPANY, LLC | Department of Homeland Security | $70.4M |
| CO FIRE AVIATION, INC. | Department of the Interior | $9.7M |
| CO FIRE AVIATION, INC. | Department of the Interior | $4.6M |
| PW MONTGOMERY LLC | Department of Agriculture | $2.4M |
| AERO S E A T INC | Department of the Interior | $1.8M |
Statewide Context
1,188,599
Colorado Medicaid & CHIP (Jun 2026)
352,988
Colorado Veteran Population (FY2026)
Statewide totals, not specific to this district — these federal programs report only at the state level. Sources: CMS (data.medicaid.gov), VA NCVAS (datahub.va.gov).
Geography
| Counties (4) | Major Cities |
|---|---|
| Douglas, Weld, Larimer, Elbert | Greeley, Castle Rock, Loveland |