Arapahoe County CO Information


Arapahoe County Subdivisions

Arapahoe County CO Data & Demographics (As of July 1, 2017)


Total Population 637,891
Daytime Population: Workers 321,233
Daytime Population: Residents 302,928
Total Daytime Population (TDP) 624,161
Ratio TDP/Total Population1 0.98
Population in Households 633,220
Population in Familes 509,254
Population in Group Qrtrs 4,671
Population Density2 799
Diversity Index3 64


Median Household Income $66,689
Average Household Income $93,685
Per Capita Income $36,563


Total Housing Units 255,928 (100%)
Owner Occupied HU 150,490 (58.8%)
Renter Occupied HU 96,718 (37.8%)
Vacant Housing Units 8,720 ( 3.4%)
Median Home Value $287,852
Average Home Value $340,904


Total Households 247,208
Average Household Size 2.56
Family Households 160,580
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 1.52% 1.41%
Households 1.37% 1.32%
Families 1.31% 1.27%
Median Household Income   2.65%
Per Capita Income   2.38%


Arapahoe County CO - Peer Comparisons by Rank and Percentile

The table below compares Arapahoe County to the other 64 counties and county equivalents in Colorado by rank and percentile using July 1, 2017 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 # 3 97th
Population Density # 3 97th
Diversity Index # 16 78th
Median Household Income # 14 80th
Per Capita Income # 13 81st

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