Jefferson County WI Information


Jefferson County Subdivisions

Jefferson County WI Data & Demographics (As of July 1, 2018)


Total Population 84,926
Population in Households 81,680
Population in Familes 65,712
Population in Group Qrtrs 3,246
Population Density1 153
Diversity Index2 26


Median Household Income $57,519
Average Household Income $71,951
Per Capita Income $28,326


Total Housing Units 36,220 (100%)
Owner Occupied HU 22,099 (61.0%)
Renter Occupied HU 10,891 (30.1%)
Vacant Housing Units 3,230 ( 8.9%)
Median Home Value $195,515
Average Home Value $233,710


Total Households 32,990
Average Household Size 2.48
Family Households 22,210
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 0.18% 0.37%
Households 0.33% 0.43%
Families 0.19% 0.34%
Median Household Income   1.35%
Per Capita Income   1.99%


Jefferson County WI - Peer Comparisons by Rank and Percentile

The table below compares Jefferson County to the other 72 counties and county equivalents in Wisconsin 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 # 20 74th
Population Density # 17 78th
Diversity Index # 19 75th
Median Household Income # 18 76th
Per Capita Income # 30 60th

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