Jefferson County CO Information


Jefferson County Subdivisions

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


Total Population 578,496
Daytime Population: Workers 259,397
Daytime Population: Residents 265,437
Total Daytime Population (TDP) 524,834
Ratio TDP/Total Population1 0.91
Population in Households 570,758
Population in Familes 455,309
Population in Group Qrtrs 7,738
Population Density2 757
Diversity Index3 44


Median Household Income $76,146
Average Household Income $99,911
Per Capita Income $40,834


Total Housing Units 242,577 (100%)
Owner Occupied HU 159,096 (65.6%)
Renter Occupied HU 75,441 (31.1%)
Vacant Housing Units 8,040 ( 3.3%)
Median Home Value $329,130
Average Home Value $373,538


Total Households 234,537
Average Household Size 2.43
Family Households 152,858
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 1.1% 0.99%
Households 1.0% 0.93%
Families 0.95% 0.9%
Median Household Income   1.93%
Per Capita Income   2.24%


Jefferson County CO - Peer Comparisons by Rank and Percentile

The table below compares Jefferson 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 # 4 95th
Population Density # 4 95th
Diversity Index # 31 53rd
Median Household Income # 6 92nd
Per Capita Income # 7 91st

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