Washington County WI Information


Washington County Subdivisions

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


Total Population 135,837
Daytime Population: Workers 55,894
Daytime Population: Residents 61,961
Total Daytime Population (TDP) 117,855
Ratio TDP/Total Population1 0.87
Population in Households 134,694
Population in Familes 113,761
Population in Group Qrtrs 1,143
Population Density2 315
Diversity Index3 16


Median Household Income $70,885
Average Household Income $87,980
Per Capita Income $34,836


Total Housing Units 56,764 (100%)
Owner Occupied HU 40,687 (71.7%)
Renter Occupied HU 12,869 (22.7%)
Vacant Housing Units 3,208 ( 5.7%)
Median Home Value $242,380
Average Home Value $281,211


Total Households 53,556
Average Household Size 2.52
Family Households 38,242
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 0.41% 0.46%
Households 0.51% 0.53%
Families 0.41% 0.47%
Median Household Income   2.31%
Per Capita Income   2.58%


Washington County WI - Peer Comparisons by Rank and Percentile

The table below compares Washington 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 # 11 86th
Population Density # 9 89th
Diversity Index # 43 42nd
Median Household Income # 4 96th
Per Capita Income # 4 96th

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