Boulder was founded in 1859 by explorers seeking the riches of gold. Today, Boulder is known for its commitment to environmental preservation, education and quality of life. 

  • #10 “Highest Well Being Communities” — Gallup-Healthways Well-Being Index, March 2017
  • The Best U.S. Cities to Spend a Weekend — Thrillest.com, March 2016
  •  #7 “Highest Well Being Communities” — Gallup-Healthways Well-Being Index, March 2016
  • #1 Farmers' Market in the U.S. — USA Today 10Best Readers' Choice, August 2015
  • 10 Best: Bike-friendly cities – USAToday.com, July 2014 
  • Best College Towns for People Who Aren’t In College – CondeNastTraveler.com, October 2014

By The Numbers

Elevation & Size

  • 5,430 feet (Denver is 5,280 feet)
  • City of Boulder is 27.8 square miles, which includes: 
    • 300 miles of trails
    • 45,000 acres of open space
    • 60 parks

Population

Approximately 105,000 residents, including 30,000+ students at the University of Colorado.

Zip Codes

  • 80301
  • 80302
  • 80303
  • 80304
  • 80305

  • 80307
  • 80309
  • 80310
  • 80314

Boulder and Surrounding Areas