Boulder County CO Information


Boulder County Subdivisions

Boulder County CO Data & Demographics (As of July 1, 2015)


Total Population 309,226
Population in Households 299,029
Population in Familes 215,602
Population in Group Qrtrs 10,197
Population Density1 426
Diversity Index2 44


Total Households 125,583
Average Household Size 2.38
Family Households 72,195
Average Family Size 3


Total Housing Units 133,352 (100%)
Owner Occupied HU 74,037 (55.5%)
Renter Occupied HU 51,546 (38.7%)
Vacant Housing Units 7,769 ( 5.8%)
Median Home Value $391,643
Average Home Value $468,563


Median Household Income $70,190
Average Household Income $95,162
Per Capita Income $39,221
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.93% 1.18%
Households 0.98% 1.29%
Families 0.9% 1.25%
Median Household Income   3.01%
Per Capita Income   2.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 5 94th
Diversity Index2 # 30 55th
Median Household Income # 8 89th
Per Capita Income # 8 89th

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