Boulder County CO Information


Boulder County Subdivisions

Boulder County CO Data & Demographics (As of July 1, 2018)


Total Population 333,953
Population in Households 322,706
Population in Familes 233,682
Population in Group Qrtrs 11,247
Population Density1 460
Diversity Index2 43


Median Household Income $76,802
Average Household Income $109,127
Per Capita Income $43,914


Total Housing Units 138,676 (100%)
Owner Occupied HU 84,785 (61.1%)
Renter Occupied HU 48,016 (34.6%)
Vacant Housing Units 5,875 ( 4.2%)
Median Home Value $453,994
Average Home Value $534,293


Total Households 132,801
Average Household Size 2.43
Family Households 76,116
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.53% 1.35%
Households 1.31% 1.36%
Families 1.22% 1.29%
Median Household Income   2.08%
Per Capita Income   1.79%


Boulder County CO - Peer Comparisons by Rank and Percentile

The table below compares Boulder County to the other 64 counties and county equivalents in Colorado by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 8 89th
Population Density # 5 94th
Diversity Index # 31 53rd
Median Household Income # 6 92nd
Per Capita Income # 3 97th

Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.