County
Boulder County, CO
Colorado · Population 328,961 · FIPS: 08013
Population
328,961
Cities
31
ZIP Codes
16
Safety Score
50
50
Average
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About Boulder County
Boulder County is located in Colorado with a population of 328,961. It includes 31 cities and 16 ZIP codes. The largest cities include Boulder, Longmont, Lafayette, Louisville.
Cities in Boulder County
| City | Population | Median Home Price | Safety Score |
|---|---|---|---|
| Boulder, CO | 120,289 | N/A | N/A |
| Longmont, CO | 102,512 | N/A | N/A |
| Lafayette, CO | 99,552 | N/A | N/A |
| Louisville, CO | 20,786 | N/A | N/A |
| Superior, CO | 13,305 | N/A | N/A |
| Gunbarrel, CO | 10,051 | N/A | N/A |
| Niwot, CO | 3,447 | N/A | N/A |
| Lyons, CO | 1,838 | N/A | N/A |
| Nederland, CO | 1,655 | N/A | N/A |
| Allenspark, CO | 825 | N/A | N/A |
| Lazy Acres, CO | 778 | N/A | N/A |
| Paragon Estates, CO | 667 | N/A | N/A |
| Altona, CO | 587 | N/A | N/A |
| Pine Brook Hill, CO | 543 | N/A | N/A |
| Sugarloaf, CO | 474 | N/A | N/A |
| Eldora, CO | 465 | N/A | N/A |
| St. Ann Highlands, CO | 453 | N/A | N/A |
| Tall Timber, CO | 382 | N/A | N/A |
| Sunshine, CO | 330 | N/A | N/A |
| Jamestown, CO | 324 | N/A | N/A |
| Eldorado Springs, CO | 320 | N/A | N/A |
| Crisman, CO | 268 | N/A | N/A |
| Bark Ranch, CO | 199 | N/A | N/A |
| Seven Hills, CO | 183 | N/A | N/A |
| Mountain Meadows, CO | 180 | N/A | N/A |
| Gold Hill, CO | 178 | N/A | N/A |
| Ward, CO | 103 | N/A | N/A |
| Bonanza Mountain Estates, CO | 56 | N/A | N/A |
| Hidden Lake, CO | 29 | N/A | N/A |
| Valmont, CO | 27 | N/A | N/A |
Explore Cities in Boulder County
Boulder, COPop. 120,289Longmont, COPop. 102,512Lafayette, COPop. 99,552Louisville, COPop. 20,786Superior, COPop. 13,305Gunbarrel, COPop. 10,051Niwot, COPop. 3,447Lyons, COPop. 1,838Nederland, COPop. 1,655Allenspark, COPop. 825Lazy Acres, COPop. 778Paragon Estates, COPop. 667Altona, COPop. 587Pine Brook Hill, COPop. 543Sugarloaf, COPop. 474Eldora, COPop. 465St. Ann Highlands, COPop. 453Tall Timber, COPop. 382Sunshine, COPop. 330Jamestown, COPop. 324Eldorado Springs, COPop. 320Crisman, COPop. 268Bark Ranch, COPop. 199Seven Hills, COPop. 183Mountain Meadows, COPop. 180Gold Hill, COPop. 178Ward, COPop. 103Bonanza Mountain Estates, COPop. 56Hidden Lake, COPop. 29Valmont, COPop. 27
ZIP Codes in Boulder County
80025 - Eldorado SpringsPop. 13880026 - LafayettePop. 32,70180027 - LouisvillePop. 34,12780301 - BoulderPop. 25,00780302 - BoulderPop. 29,56980303 - BoulderPop. 24,99680304 - BoulderPop. 25,38380305 - BoulderPop. 16,29180455 - JamestownPop. 50180466 - NederlandPop. 3,59980481 - WardPop. 48480501 - LongmontPop. 44,14780503 - LongmontPop. 35,84680510 - AllensparkPop. 66380540 - LyonsPop. 4,64280310 - BoulderPop. 7,692