
Broomfield County
- State:
- Colorado
- County Seat:
- Broomfield
Broomfield County's estimated 2025 population is 78,190 with a growth rate of 0.86% in the past year according to the most recent United States census data. Broomfield County is the 12th largest county in Colorado. The 2010 population was 56,212 and has seen a growth of 39.1% since that time.