Jefferson County WI Information


Jefferson County Subdivisions

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


Total Population 84,523
Daytime Population: Workers 35,316
Daytime Population: Residents 39,492
Total Daytime Population (TDP) 74,808
Ratio TDP/Total Population1 0.89
Population in Households 81,078
Population in Familes 65,670
Population in Group Qrtrs 3,445
Population Density2 152
Diversity Index3 26


Median Household Income $58,571
Average Household Income $72,742
Per Capita Income $28,582


Total Housing Units 36,073 (100%)
Owner Occupied HU 22,324 (61.9%)
Renter Occupied HU 10,421 (28.9%)
Vacant Housing Units 3,328 ( 9.2%)
Median Home Value $194,291
Average Home Value $231,022


Total Households 32,745
Average Household Size 2.48
Family Households 22,116
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 0.14% 0.28%
Households 0.27% 0.34%
Families 0.15% 0.27%
Median Household Income   1.2%
Per Capita Income   2.32%


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, 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 # 20 74th
Population Density # 17 78th
Diversity Index # 19 75th
Median Household Income # 12 85th
Per Capita Income # 26 65th

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