Boulder County, Colorado demographics
Median household income: 92,466
Demographics, population, home values, social and economic characteristics of Boulder County, Colorado.
Population
| 2021 | 328,713 |
| 2020 | 324,682 |
| 2019 | 322,510 |
| 2018 | 321,030 |
| 2017 | 316,782 |
| 2016 | 313,961 |
| 2015 | 310,032 |
| 2014 | 305,166 |
| 2013 | 301,072 |
| 2012 | 297,218 |
| 2011 | 293,205 |
| 2010 | 290,177 |
| 2009 | 295,524 |
Boulder County, CO cities
Allenspark CDP - 574
Altona CDP - 557
Bark Ranch CDP - 116
Bonanza Mountain Estates CDP - 148
Boulder city - 104,930
Coal Creek CDP - 2,581
Crisman CDP - 163
Eldora CDP - 393
Eldorado Springs CDP - 295
Erie town - 29,367
Glendale CDP - 86
Gold Hill CDP - 272
Gunbarrel CDP - 10,199
Hidden Lake CDP - 30
Jamestown town - 281
Lafayette city - 30,307
Lazy Acres CDP - 926
Leyner CDP - 0
Longmont city - 98,789
Louisville city - 21,091
Lyons town - 2,261
Mountain Meadows CDP - 160
Nederland town - 1,392
Niwot CDP - 4,216
Paragon Estates CDP - 822
Pine Brook Hill CDP - 734
Seven Hills CDP - 137
St. Ann Highlands CDP - 550
Sugarloaf CDP - 465
Sunshine CDP - 210
Superior town - 13,283
Tall Timber CDP - 457
Valmont CDP - 93
Ward town - 70
Census data for Boulder County, Colorado
Demographic and housing estimates in Boulder County, Colorado
| Total population | 328,713 |
| Male | 166,140 |
| Female | 162,573 |
| Total population | 328,713 |
| Under 5 years | 14,030 |
| 5 to 9 years | 17,207 |
| 10 to 14 years | 18,877 |
| 15 to 19 years | 26,188 |
| 20 to 24 years | 32,981 |
| 25 to 34 years | 45,656 |
| 35 to 44 years | 41,733 |
| 45 to 54 years | 42,353 |
| 55 to 59 years | 21,361 |
| 60 to 64 years | 20,053 |
| 65 to 74 years | 30,567 |
| 75 to 84 years | 11,982 |
| 85 years and over | 5,725 |
| Median age (years) | 37.2 |
| Under 18 years | 62,135 |
| 16 years and over | 274,307 |
| 18 years and over | 266,578 |
| 21 years and over | 243,369 |
| 62 years and over | 59,628 |
| 65 years and over | 48,274 |
| Total population | 328,713 |
| One race | 306,581 |
| White | 279,046 |
| Black or African American | 2,964 |
| American Indian and Alaska Native | 1,444 |
| Asian | 15,518 |
| Native Hawaiian and Other Pacific Islander | 241 |
| Some other race | 7,368 |
| Two or more races | 22,132 |
| Citizen, VOTING AGE 18 and over population | 250,708 |
| Male Citizen, VOTING AGE 18 and over population | 126,124 |
| Female Citizen, VOTING AGE 18 and over population | 124,584 |
Social characteristics in Boulder County, Colorado
| Total households | 131,701 |
| Family households (families) | 60,419 |
| Married-couple family | 9,716 |
| Male householder, no wife present, family | 29,710 |
| Female householder, no husband present, family | 19,249 |
| Nonfamily households | 31,856 |
| Average household size | 35,046 |
| Average family size | 2.41 |
Economic characteristics in Boulder County, Colorado
| Total households | 131,701 |
| Less than $10,000 | 7,408 |
| $10,000 to $14,999 | 2,979 |
| $15,000 to $24,999 | 7,520 |
| $25,000 to $34,999 | 7,286 |
| $35,000 to $49,999 | 10,978 |
| $50,000 to $74,999 | 18,045 |
| $75,000 to $99,999 | 15,897 |
| $100,000 to $149,999 | 23,988 |
| $150,000 to $199,999 | 15,413 |
| $200,000 or more | 22,187 |
| Median household income (dollars) | 92,466 |
Housing characteristics in Boulder County, Colorado
| Total housing units | 139,302 |
| Occupied housing units | 131,701 |
| Vacant housing units | 7,601 |
| Total housing units | 139,302 |
| 1-unit, detached | 82,611 |
| 1-unit, attached | 11,116 |
| 2 units | 2,317 |
| 3 or 4 units | 5,357 |
| 5 to 9 units | 8,723 |
| 10 to 19 units | 8,780 |
| 20 or more units | 16,788 |
| Mobile home | 3,507 |
| Boat, RV, van, etc. | 103 |
| Total housing units | 139,302 |
| Built 2014 or later | 277 |
| Built 2010 to 2013 | 13,135 |
| Built 2000 to 2009 | 16,289 |
| Built 1990 to 1999 | 27,013 |
| Built 1980 to 1989 | 22,872 |
| Built 1970 to 1979 | 27,489 |
| Built 1960 to 1969 | 14,777 |
| Built 1950 to 1959 | 6,727 |
| Built 1940 to 1949 | 1,879 |
| Built 1939 or earlier | 8,844 |
| Total housing units | 139,302 |
| 1 room | 3,269 |
| 2 rooms | 6,427 |
| 3 rooms | 14,924 |
| 4 rooms | 19,530 |
| 5 rooms | 17,513 |
| 6 rooms | 19,215 |
| 7 rooms | 16,286 |
| 8 rooms | 14,972 |
| 9 rooms or more | 27,166 |
| Median rooms | 5.9 |
| Total housing units | 139,302 |
| No bedroom | 3,603 |
| 1 bedroom | 15,656 |
| 2 bedrooms | 34,612 |
| 3 bedrooms | 42,971 |
| 4 bedrooms | 29,838 |
| 5 or more bedrooms | 12,622 |
| Occupied housing units | 131,701 |
| Owner-occupied | 82,521 |
| Renter-occupied | 49,180 |
| Average household size of owner-occupied unit | 2.48 |
| Average household size of renter-occupied unit | 2.28 |
| Occupied housing units | 131,701 |
| Moved in 2017 or later | 18,367 |
| Moved in 2015 to 2016 | 42,066 |
| Moved in 2010 to 2014 | 21,122 |
| Moved in 2000 to 2009 | 25,660 |
| Moved in 1990 to 1999 | 14,959 |
| Moved in 1989 and earlier | 9,527 |
| Owner-occupied units | 82,521 |
| Less than $50,000 | 2,258 |
| $50,000 to $99,999 | 1,120 |
| $100,000 to $149,999 | 676 |
| $150,000 to $199,999 | 1,033 |
| $200,000 to $299,999 | 4,678 |
| $300,000 to $499,999 | 24,230 |
| $500,000 to $999,999 | 36,588 |
| $1,000,000 or more | 11,938 |
| Median (dollars) | 575,700 |
| Owner-occupied units | 82,521 |
| Housing units with a mortgage | 56,024 |
| Housing units without a mortgage | 26,497 |
| Occupied units paying rent | 48,151 |
| Less than $500 | 1,676 |
| $500 to $999 | 3,380 |
| $1,000 to $1,499 | 13,164 |
| $1,500 to $1,999 | 15,063 |
| $2,000 to $2,499 | 7,655 |
| $2,500 to $2,999 | 3,341 |
| $3,000 or more | 3,872 |
| Median (dollars) | 1,694 |
| No rent paid | 1,029 |
Demographic data for Boulder County, CO and each city in the county. Lists of cities by population, wealth and poverty in Boulder County, CO.