Cities & Towns in Boulder County, CO
Boulder County, county in Colorado, United States. As of 2020 county had an estimated population of 327,171 inhabitants. The county was created 162 years ago in 1861. Its county seat is Boulder.
There are 12 city/town in Boulder County, CO. The largest city of Boulder County is Boulder with a population of 107,645. Other cities include, Longmont population 98,445, Erie population 30,318, Lafayette population 28,579, Louisville population 19,060
Boulder
Boulder, The most populous city in Boulder County, Colorado.
Longmont
Longmont, The most populous city in Boulder County, Colorado.
Erie
Erie, Town in Boulder County, Colorado, USA
Nestled against the backdrop of the Rocky Mountains, Boulder County is home to some of Colorado's most iconic and vibrant cities. From the college town feel of Boulder to the artistic community of Longmont, each city has its own unique personality and charm.
Boulder, the lively county seat, is synonymous with outdoor adventure and progressive politics. It's home to the main campus of the University of Colorado and bursting with cafes, breweries, and eclectic shops. The iconic Flatirons loom over the city, providing plenty of rock climbing and hiking opportunities right on Boulder's doorstep.
Just down the road, Longmont has transformed in recent years from a sleepy agricultural town to a budding cultural hub. Downtown Longmont boasts a thriving arts district lined with galleries, studios, and an art-house movie theater. And the city's craft beer scene is booming, with Left Hand Brewing Company leading the charge.
The smaller towns of Lafayette, Louisville, and Erie exude that genuine small-town feel while still offering a taste of urban amenities. Louisville's historic downtown district brims with boutiques and restaurants. Lafayette prides itself on its strong community and gives back through events like the Peach Festival. And Erie, once a rural outpost, now balances sprawling new development with preserving its agricultural roots.
With endless foothills trails, farm-fresh dining, and that unmistakable Colorado sunshine, Boulder County cities have something to delight both residents and visitors alike. The unique personality woven into each community shapes the varied tapestry of life in this dynamic Front Range region.
All Boulder County Cities (Aphebetical)
List of cities, towns, neighborhoods & other populated places in Boulder County.
| City Name | Title | Population |
|---|---|---|
| Boulder | The most populous city in Boulder County, Colorado. | 107,645 |
| Coal Creek | Town in Fremont County, Colorado, United States | 350 |
| Erie | Town in Boulder County, Colorado, USA | 30,318 |
| Jamestown | Town in Colorado, USA | 254 |
| Lafayette | City in Colorado | 28,579 |
| Longmont | The most populous city in Boulder County, Colorado. | 98,445 |
| Louisville | City in Colorado | 19,060 |
| Lyons | Town in Boulder County, Colorado, United States | 2,058 |
| Nederland | Town in Colorado, United States | 1,557 |
| Niwot | Census designated place | 4,006 |
| Superior | Statutory Town in Boulder and Jefferson counties in the U. | 13,413 |
| Ward | Town in Colorado, United States | 168 |
