St. Croix County WI Information


St. Croix County Subdivisions

St. Croix County WI Data & Demographics (As of July 1, 2017)


Total Population 89,890
Daytime Population: Workers 35,518
Daytime Population: Residents 41,584
Total Daytime Population (TDP) 77,102
Ratio TDP/Total Population1 0.86
Population in Households 89,083
Population in Familes 74,810
Population in Group Qrtrs 807
Population Density2 124
Diversity Index3 14


Median Household Income $74,500
Average Household Income $90,292
Per Capita Income $34,050


Total Housing Units 35,871 (100%)
Owner Occupied HU 25,392 (70.8%)
Renter Occupied HU 8,348 (23.3%)
Vacant Housing Units 2,131 ( 5.9%)
Median Home Value $235,002
Average Home Value $272,428


Total Households 33,740
Average Household Size 2.64
Family Households 24,244
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 0.88% 1.03%
Households 0.82% 0.99%
Families 0.72% 0.93%
Median Household Income   1.9%
Per Capita Income   2.54%


St. Croix County WI - Peer Comparisons by Rank and Percentile

The table below compares St. Croix 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 # 18 76th
Population Density # 20 74th
Diversity Index # 50 32nd
Median Household Income # 3 97th
Per Capita Income # 5 94th

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