Population by Age in St. Croix County
*Base on 2010 Data
| Total population | 84,345 | 100.00% |
| Under 5 years | 6,166 | 7.31% |
| 5 to 9 years | 6,705 | 7.95% |
| 10 to 14 years | 6,396 | 7.58% |
| 15 to 19 years | 5,361 | 6.36% |
| 20 to 24 years | 3,924 | 4.65% |
| 25 to 29 years | 5,546 | 6.58% |
| 30 to 34 years | 5,996 | 7.11% |
| 35 to 39 years | 6,203 | 7.35% |
| 40 to 44 years | 6,437 | 7.63% |
| 45 to 49 years | 6,933 | 8.22% |
| 50 to 54 years | 6,683 | 7.92% |
| 55 to 59 years | 5,379 | 6.38% |
| 60 to 64 years | 4,148 | 4.92% |
| 65 to 69 years | 2,805 | 3.33% |
| 70 to 74 years | 1,867 | 2.21% |
| 75 to 79 years | 1,461 | 1.73% |
| 80 to 84 years | 1,176 | 1.39% |
| 85 years and over | 1,159 | 1.37% |
Male Population in St. Croix County
*Base on 2010 Data
| Male population | 42,218 | 50.05% |
| Under 5 years | 3,125 | 3.71% |
| 5 to 9 years | 3,438 | 4.08% |
| 10 to 14 years | 3,245 | 3.85% |
| 15 to 19 years | 2,779 | 3.29% |
| 20 to 24 years | 2,024 | 2.40% |
| 25 to 29 years | 2,796 | 3.31% |
| 30 to 34 years | 3,003 | 3.56% |
| 35 to 39 years | 3,085 | 3.66% |
| 40 to 44 years | 3,260 | 3.87% |
| 45 to 49 years | 3,474 | 4.12% |
| 50 to 54 years | 3,309 | 3.92% |
| 55 to 59 years | 2,725 | 3.23% |
| 60 to 64 years | 2,168 | 2.57% |
| 65 to 69 years | 1,400 | 1.66% |
| 70 to 74 years | 898 | 1.06% |
| 75 to 79 years | 648 | 0.77% |
| 80 to 84 years | 491 | 0.58% |
| 85 years and over | 350 | 0.41% |
Female Population in St. Croix County
*Base on 2010 Data
| Female population | 42,127 | 49.95% |
| Under 5 years | 3,041 | 3.61% |
| 5 to 9 years | 3,267 | 3.87% |
| 10 to 14 years | 3,151 | 3.74% |
| 15 to 19 years | 2,582 | 3.06% |
| 20 to 24 years | 1,900 | 2.25% |
| 25 to 29 years | 2,750 | 3.26% |
| 30 to 34 years | 2,993 | 3.55% |
| 35 to 39 years | 3,118 | 3.70% |
| 40 to 44 years | 3,177 | 3.77% |
| 45 to 49 years | 3,459 | 4.10% |
| 50 to 54 years | 3,374 | 4.00% |
| 55 to 59 years | 2,654 | 3.15% |
| 60 to 64 years | 1,980 | 2.35% |
| 65 to 69 years | 1,405 | 1.67% |
| 70 to 74 years | 969 | 1.15% |
| 75 to 79 years | 813 | 0.96% |
| 80 to 84 years | 685 | 0.81% |
| 85 years and over | 809 | 0.96% |
Median Age in St. Croix County
*Base on 2010 Data
| Both | 36.70% | |
| Male | 36.10% | |
| Female | 37.20% |
Race in St. Croix County
*Base on 2010 Data
| Total | 84,345 | 100.00% |
| Population of one race | 83,185 | 98.62% |
| White | 80,914 | 95.93% |
| Black or African American | 552 | 0.65% |
| American Indian and Alaska Native | 313 | 0.37% |
| Asian | 900 | 1.07% |
| Asian Indian | 61 | 0.07% |
| Chinese | 81 | 0.10% |
| Filipino | 83 | 0.10% |
| Japanese | 28 | 0.03% |
| Korean | 113 | 0.13% |
| Vietnamese | 41 | 0.05% |
| Other Asian | 493 | 0.58% |
| Native Hawaiian and Other Pacific Islander | 23 | 0.03% |
| Native Hawaiian | 5 | 0.01% |
| Guamanian or Chamorro | 8 | 0.01% |
| Samoan | 3 | 0.00% |
| Other Pacific Islander | 7 | 0.01% |
| Some Other Race | 483 | 0.57% |
| Population of Two or More Races | 1,160 | 1.38% |
| White; American Indian and Alaska Native | 287 | 0.34% |
| White; Asian | 318 | 0.38% |
| White; Black or African American | 295 | 0.35% |
| White; Some Other Race | 132 | 0.16% |
The Population 16 Years in St. Croix County
*Base on 2010 Data
| Total | 63,835 | 100.00% |
| Male | 31,755 | 49.75% |
| Female | 32,080 | 50.25% |
The Population 18 Years in St. Croix County
*Base on 2010 Data
| Total | 61,462 | 100.00% |
| Male | 30,544 | 49.70% |
| Female | 30,918 | 50.30% |
The Population 21 Years in St. Croix County
*Base on 2010 Data
| Total | 58,985 | 100.00% |
| Male | 29,233 | 49.56% |
| Female | 29,752 | 50.44% |
The Population 62 Years in St. Croix County
*Base on 2010 Data
| Total | 10,828 | 100.00% |
| Male | 5,037 | 46.52% |
| Female | 5,791 | 53.48% |
The Population 65 Years in St. Croix County
*Base on 2010 Data
| Total | 8,468 | 100.00% |
| Male | 3,787 | 44.72% |
| Female | 4,681 | 55.28% |
Race (total races tallied) in St. Croix County
*Base on 2010 Data
| White alone or in combination with one or more other races | 82,030 | 95.85% |
| Black or African American alone or in combination with one or more other races | 926 | 1.08% |
| American Indian and Alaska Native alone or in combination with one or more other races | 678 | 0.79% |
| Asian alone or in combination with one or more other races | 1,251 | 1.46% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 57 | 0.07% |
| Some Other Race alone or in combination with one or more other races | 644 | 0.75% |
Hispanic or Latino by Specific Origin in St. Croix County
*Base on 2010 Data
| Total | 84,345 | 100.00% |
| Hispanic or Latino (of any race) | 1,692 | 2.01% |
| Mexican | 1,063 | 1.26% |
| Puerto Rican | 114 | 0.14% |
| Cuban | 39 | 0.05% |
| Other Hispanic or Latino | 476 | 0.56% |
| Not Hispanic or Latino | 82,653 | 97.99% |
Hispanic or Latino and Race in St. Croix County
*Base on 2010 Data
| Total | 84,345 | 100.00% |
| Hispanic or Latino | 1,692 | 2.01% |
| White alone | 1,019 | 1.21% |
| Black or African American alone | 10 | 0.01% |
| American Indian and Alaska Native alone | 29 | 0.03% |
| Asian alone | 6 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 7 | 0.01% |
| Some Other Race alone | 444 | 0.53% |
| Two or More Races | 177 | 0.21% |
| Not Hispanic or Latino | 82,653 | 97.99% |
| White alone | 79,895 | 94.72% |
| Black or African American alone | 542 | 0.64% |
| American Indian and Alaska Native alone | 284 | 0.34% |
| Asian alone | 894 | 1.06% |
| Native Hawaiian and Other Pacific Islander alone | 16 | 0.02% |
| Some Other Race alone | 39 | 0.05% |
| Two or More Races | 983 | 1.17% |
Relationship in St. Croix County
*Base on 2010 Data
| Total | 84,345 | 100.00% |
| In households | 83,495 | 98.99% |
| Householder | 31,799 | 37.70% |
| Spouse | 18,936 | 22.45% |
| Child | 26,516 | 31.44% |
| Own child under 18 years | 21,694 | 25.72% |
| Other relatives | 2,090 | 2.48% |
| Under 18 years | 781 | 0.93% |
| 65 years and over | 309 | 0.37% |
| Nonrelatives | 4,154 | 4.93% |
| Under 18 years | 388 | 0.46% |
| 65 years and over | 128 | 0.15% |
| Unmarried partner | 2,302 | 2.73% |
| In group quarters | 850 | 1.01% |
| Institutionalized population | 680 | 0.81% |
| Male | 339 | 0.40% |
| Female | 341 | 0.40% |
| Noninstitutionalized population | 170 | 0.20% |
| Male | 115 | 0.14% |
| Female | 55 | 0.07% |
Households by Type in St. Croix County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 31,799 | 100.00% |
| Family households (families) | 23,014 | 72.37% |
| With own children under 18 years | 11,301 | 35.54% |
| Husband-wife family | 18,936 | 59.55% |
| With own children under 18 years | 8,621 | 27.11% |
| Male householder, no wife present | 1,510 | 4.75% |
| With own children under 18 years | 952 | 2.99% |
| Female householder, no husband present | 2,568 | 8.08% |
| With own children under 18 years | 1,728 | 5.43% |
| Nonfamily households | 8,785 | 27.63% |
| Householder living alone | 6,816 | 21.43% |
| Male | 3,215 | 10.11% |
| 65 years and over | 576 | 1.81% |
| Female | 3,601 | 11.32% |
| 65 years and over | 1,625 | 5.11% |
Households with individuals under 18 years in St. Croix County
*Base on 2010 Data
| Total | 11,898 | 37.42% |
Households with individuals under 65 years in St. Croix County
*Base on 2010 Data
| Total | 5,825 | 18.32% |
Average Household Size in St. Croix County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in St. Croix County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in St. Croix County
*Base on 2010 Data
| Total | 33,983 | 100.00% |
| Occupied housing units | 31,799 | 93.57% |
| Vacant housing units | 2,184 | 6.43% |
| For rent | 681 | 2.00% |
| Rented, not occupied | 41 | 0.12% |
| For sale only | 493 | 1.45% |
| Sold, not occupied | 76 | 0.22% |
| For seasonal, recreational, or occasional use | 460 | 1.35% |
| All other vacants | 433 | 1.27% |
Homeowner Vacancy Rate in St. Croix County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.90% |
Rental Vacancy Rate in St. Croix County
*Base on 2010 Data
| Rental vacancy rate (percent) | 8.80% |
Housing Tenure(Occupied housing units) in St. Croix County
*Base on 2010 Data
| Total | 31,799 | 100.00% |
| Owner-occupied housing units | 24,754 | 77.85% |
| Renter-occupied housing units | 7,045 | 22.15% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Croix County
*Base on 2010 Data
| Owner-occupied housing units | 67,999 | 81.44% |
| Renter-occupied housing units | 15,496 | 18.56% |
Average Household Size of Occupied Housing Units by Tenure in St. Croix County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |