List of towns and cities in Boulder County, Colorado

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Cities and Towns in the United States > State Colorado > Boulder County
Birth certificate - U.S. Vital Records
Boulder County, located in the state of Colorado, is renowned for its stunning natural beauty and outdoor recreation opportunities. Home to the iconic Flatirons rock formations, it offers numerous hiking, rock climbing, and mountain biking trails. The county encompasses a portion of the Rocky Mountains, providing access to ski resorts during the winter season. Additionally, visitors can explore the charming town of Boulder, known for its vibrant arts scene, craft breweries, and the University of Colorado campus. Each year, the county hosts events such as the Bolder Boulder 10K race and the Colorado Shakespeare Festival. With its diverse cultural amenities and picturesque landscapes, Boulder County is a popular destination for both tourists and outdoor enthusiasts alike.

Boulder County (CO) Statistics

Number of cities/towns/villages1
Population108,250 people
Area28 sq mi
Density3,866 /sq mi
Altitude5,430 ft
GDP$25 billion
Median Household Income$75,000
Poverty rate22%
Unemployment rate3%
Educational Attainment (Bachelor's Degree or higher)63%
Crime rate32 per 1,000 residents

Environmental risk in Boulder County, CO

Overall riskRelatively Moderate
Expected Annual LossRelatively Moderate
Social VulnerabilityRelatively Low
Community ResilienceRelatively High
Avalanche RiskRelatively Low
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively High
Drought RiskVery Low
Earthquake RiskRelatively Low
Hail RiskRelatively Moderate
Heat Wave RiskNo Rating
Hurricane RiskNot Applicable
Ice Storm RiskRelatively Moderate
Landslide RiskRelatively High
Lightning RiskRelatively High
Riverine Flooding RiskRelatively High
Strong Wind RiskRelatively High
Tornado RiskRelatively High
Tsunami RiskNot Applicable
Volcanic Activity RiskNot Applicable
Wildfire RiskRelatively Moderate
Winter Weather RiskRelatively Moderate

Data obtained from the FEMA National Risk Index.

Boulder County administration contact details

Boulder County administration contact detailsNot available
Address2020 13th Street, Boulder, CO 80302
County seatBoulder
Phone number(303) 441-3500
Official websitewww.bouldercounty.org
County clerkHillary Hall
County permits office or building department contact detailsBuilding Safety and Inspection Services, (720) 564-2640
County commissionerElise Jones
Search a city in the County of Boulder

Get the contact information for all cities and towns in this county. Find general information, official websites, email, phone numbers, addresses, and much more.

Find below the complete list of cities and towns in Boulder County:

  • BOULDER

    Boulder is a Home rule municipality in Boulder county with -100 000 inhabitants.

  • LONGMONT

    Longmont is a Home rule municipality in Boulder county with -100 000 inhabitants.

  • LAFAYETTE

    Lafayette is a Home rule municipality in Boulder county with -30 000 inhabitants.

  • LOUISVILLE

    Louisville is a Home rule municipality in Boulder county with -20 000 inhabitants.

  • ERIE

    Erie is a Statutory town in Boulder county with -20 000 inhabitants.

  • SUPERIOR

    Superior is a Statutory town in Boulder county with -15 000 inhabitants.

  • LYONS

    Lyons is a Statutory town in Boulder county with -2 500 inhabitants.

  • NEDERLAND

    Nederland is a Statutory town in Boulder county with -1 500 inhabitants.

  • JAMESTOWN

    Jamestown is a Statutory town in Boulder county with -500 inhabitants.

  • WARD

    Ward is a Home rule municipality in Boulder county with -500 inhabitants.

Birth certificate - U.S. Vital Records
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