Arapahoe County CO Information


Arapahoe County Subdivisions

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


Total Population 642,354
Population in Households 638,017
Population in Familes 515,224
Population in Group Qrtrs 4,337
Population Density1 805
Diversity Index2 64


Median Household Income $68,524
Average Household Income $96,333
Per Capita Income $37,630


Total Housing Units 259,687 (100%)
Owner Occupied HU 153,591 (59.1%)
Renter Occupied HU 95,751 (36.9%)
Vacant Housing Units 10,345 ( 4.0%)
Median Home Value $315,717
Average Home Value $383,217


Total Households 249,342
Average Household Size 2.56
Family Households 161,656
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 1.42% 1.42%
Households 1.31% 1.35%
Families 1.23% 1.3%
Median Household Income   2.49%
Per Capita Income   1.95%


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, 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 # 3 97th
Population Density # 3 97th
Diversity Index # 15 78th
Median Household Income # 10 86th
Per Capita Income # 12 83rd

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