Boulder County

Boulder County, Colorado

1750 33rd St Suite 201
Boulder, CO 80301
Phone: (303) 413-7770
Fax: (303) 413-7775
www.co.boulder.co.us

In north-central CO, northwest of Denver; original county, organized Nov 1, 1861 (prior to statehood). A portion of the county was used to create Broomfield County on November 15, 2001. Name Origin: For Boulder City and Boulder Creek, themselves named for the huge rock formations in the area

Area (sq mi):: 751.37 (land 742.46; water 8.91) Population per square mile: 377.70
Population 2005: 280,440 State rank: 6 Population change: 2000-20005 -3.70%; 1990-2000 29.30% Population 2000: 291,288 (White 83.60%; Black or African American 0.90%; Hispanic or Latino 10.50%; Asian 3.10%; Other 7.60%). Foreign born: 9.40%. Median age: 33.40
Income 2000: per capita $28,976; median household $55,861; Population below poverty level: 9.50% Personal per capita income (2000-2003): $40,360-$41,110
Unemployment (2004): 4.90% Unemployment change (from 2000): 1.40% Median travel time to work: 22.40 minutes Working outside county of residence: 20.10% Cities with population over 10,000:
  • Boulder County seat (92,196)
  • Longmont (80,627)
  • Lafayette (23,762)
  • Louisville (18,493)
  • Superior (10,404)
  • Erie (10,064)
    • See other counties in Colorado.