Boulder
County in Colorado
County
The population development of Boulder.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Boulder | County | 209,050 | 269,755 | 294,567 | 330,759 | → |
| Colorado | State | 3,294,394 | 4,301,261 | 5,029,196 | 5,773,707 |
Contents: Places
The population development of the places in Boulder.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Allenspark | Census-Designated Place | Boulder | 235 | 288 | 528 | 568 | → |
| Altona | Census-Designated Place | Boulder | 564 | 268 | 501 | 512 | → |
| Bark Ranch | Census-Designated Place | Boulder | ... | 64 | 213 | 202 | → |
| Bonanza Mountain Estates | Census-Designated Place | Boulder | 145 | 63 | 128 | 127 | → |
| Boulder | City | Boulder | 85,975 | 94,213 | 97,613 | 108,254 | → |
| Coal Creek | Census-Designated Place | Jefferson / Boulder / Gilpin | 1,933 | 2,323 | 2,400 | 2,494 | → |
| Crisman | Census-Designated Place | Boulder | ... | 38 | 186 | 179 | → |
| Eldora | Census-Designated Place | Boulder | 46 | 170 | 142 | 140 | → |
| Eldorado Springs | Census-Designated Place | Boulder | 468 | 557 | 585 | 559 | → |
| Erie | Town | Weld / Boulder | 1,885 | 6,420 | 18,177 | 30,057 | → |
| Glendale | Census-Designated Place | Boulder | 26 | 61 | 69 | 64 | → |
| Gold Hill | Census-Designated Place | Boulder | 79 | 210 | 230 | 218 | → |
| Gunbarrel | Census-Designated Place | Boulder | 9,388 | 9,435 | 9,263 | 9,554 | → |
| Hidden Lake | Census-Designated Place | Boulder | ... | ... | 31 | 24 | → |
| Jamestown | Town | Boulder | 173 | 209 | 274 | 256 | → |
| Lafayette | City | Boulder | 15,052 | 23,145 | 24,482 | 30,409 | → |
| Lazy Acres | Census-Designated Place | Boulder | 1,001 | 1,103 | 920 | 957 | → |
| Leyner | Census-Designated Place | Boulder | ... | 35 | 29 | 40 | → |
| Longmont | City | Boulder / Weld | 52,203 | 71,564 | 86,330 | 98,905 | → |
| Louisville | City | Boulder | 12,618 | 18,928 | 18,409 | 21,214 | → |
| Lyons | Town | Boulder | 1,244 | 1,670 | 2,119 | 2,213 | → |
| Mountain Meadows | Census-Designated Place | Boulder | ... | 393 | 274 | 237 | → |
| Nederland | Town | Boulder | 1,098 | 1,290 | 1,445 | 1,467 | → |
| Niwot | Census-Designated Place | Boulder | 2,666 | 4,160 | 4,006 | 4,306 | → |
| Paragon Estates | Census-Designated Place | Boulder | 796 | 852 | 928 | 975 | → |
| Pine Brook Hill | Census-Designated Place | Boulder | 817 | 1,080 | 983 | 975 | → |
| Seven Hills | Census-Designated Place | Boulder | ... | ... | 121 | 129 | → |
| St. Ann Highlands | Census-Designated Place | Boulder | 73 | 146 | 288 | 325 | → |
| Sugarloaf | Census-Designated Place | Boulder | 74 | 94 | 261 | 274 | → |
| Sunshine | Census-Designated Place | Boulder | ... | ... | 230 | 198 | → |
| Superior | Town | Boulder / Jefferson | 294 | 9,061 | 12,481 | 13,095 | → |
| Tall Timber | Census-Designated Place | Boulder | 33 | 39 | 208 | 185 | → |
| Valmont | Census-Designated Place | Boulder | 116 | 38 | 59 | 64 | → |
| Ward | Town | Boulder | 150 | 174 | 150 | 129 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.