Population by Age in Janesville City
*Base on 2010 Data
| Total population | 2,256 | 100.00% |
| Under 5 years | 201 | 8.91% |
| 5 to 9 years | 165 | 7.31% |
| 10 to 14 years | 158 | 7.00% |
| 15 to 19 years | 120 | 5.32% |
| 20 to 24 years | 106 | 4.70% |
| 25 to 29 years | 170 | 7.54% |
| 30 to 34 years | 194 | 8.60% |
| 35 to 39 years | 161 | 7.14% |
| 40 to 44 years | 142 | 6.29% |
| 45 to 49 years | 117 | 5.19% |
| 50 to 54 years | 127 | 5.63% |
| 55 to 59 years | 145 | 6.43% |
| 60 to 64 years | 115 | 5.10% |
| 65 to 69 years | 79 | 3.50% |
| 70 to 74 years | 67 | 2.97% |
| 75 to 79 years | 58 | 2.57% |
| 80 to 84 years | 54 | 2.39% |
| 85 years and over | 77 | 3.41% |
Male Population in Janesville City
*Base on 2010 Data
| Male population | 1,085 | 48.09% |
| Under 5 years | 109 | 4.83% |
| 5 to 9 years | 75 | 3.32% |
| 10 to 14 years | 71 | 3.15% |
| 15 to 19 years | 58 | 2.57% |
| 20 to 24 years | 48 | 2.13% |
| 25 to 29 years | 74 | 3.28% |
| 30 to 34 years | 109 | 4.83% |
| 35 to 39 years | 82 | 3.63% |
| 40 to 44 years | 78 | 3.46% |
| 45 to 49 years | 62 | 2.75% |
| 50 to 54 years | 60 | 2.66% |
| 55 to 59 years | 61 | 2.70% |
| 60 to 64 years | 61 | 2.70% |
| 65 to 69 years | 34 | 1.51% |
| 70 to 74 years | 28 | 1.24% |
| 75 to 79 years | 28 | 1.24% |
| 80 to 84 years | 19 | 0.84% |
| 85 years and over | 28 | 1.24% |
Female Population in Janesville City
*Base on 2010 Data
| Female population | 1,171 | 51.91% |
| Under 5 years | 92 | 4.08% |
| 5 to 9 years | 90 | 3.99% |
| 10 to 14 years | 87 | 3.86% |
| 15 to 19 years | 62 | 2.75% |
| 20 to 24 years | 58 | 2.57% |
| 25 to 29 years | 96 | 4.26% |
| 30 to 34 years | 85 | 3.77% |
| 35 to 39 years | 79 | 3.50% |
| 40 to 44 years | 64 | 2.84% |
| 45 to 49 years | 55 | 2.44% |
| 50 to 54 years | 67 | 2.97% |
| 55 to 59 years | 84 | 3.72% |
| 60 to 64 years | 54 | 2.39% |
| 65 to 69 years | 45 | 1.99% |
| 70 to 74 years | 39 | 1.73% |
| 75 to 79 years | 30 | 1.33% |
| 80 to 84 years | 35 | 1.55% |
| 85 years and over | 49 | 2.17% |
Median Age in Janesville City
*Base on 2010 Data
| Both | 35.40% | |
| Male | 34.90% | |
| Female | 35.90% |
Race in Janesville City
*Base on 2010 Data
| Total | 2,256 | 100.00% |
| Population of one race | 2,239 | 99.25% |
| White | 2,211 | 98.01% |
| Black or African American | 10 | 0.44% |
| American Indian and Alaska Native | 6 | 0.27% |
| Asian | 4 | 0.18% |
| Asian Indian | 0 | 0.00% |
| Chinese | 0 | 0.00% |
| Filipino | 1 | 0.04% |
| Japanese | 1 | 0.04% |
| Korean | 2 | 0.09% |
| Vietnamese | 0 | 0.00% |
| Other Asian | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander | 1 | 0.04% |
| Native Hawaiian | 1 | 0.04% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 7 | 0.31% |
| Population of Two or More Races | 17 | 0.75% |
| White; American Indian and Alaska Native | 1 | 0.04% |
| White; Asian | 4 | 0.18% |
| White; Black or African American | 9 | 0.40% |
| White; Some Other Race | 0 | 0.00% |
The Population 16 Years in Janesville City
*Base on 2010 Data
| Total | 1,703 | 100.00% |
| Male | 815 | 47.86% |
| Female | 888 | 52.14% |
The Population 18 Years in Janesville City
*Base on 2010 Data
| Total | 1,644 | 100.00% |
| Male | 787 | 47.87% |
| Female | 857 | 52.13% |
The Population 21 Years in Janesville City
*Base on 2010 Data
| Total | 1,601 | 100.00% |
| Male | 768 | 47.97% |
| Female | 833 | 52.03% |
The Population 62 Years in Janesville City
*Base on 2010 Data
| Total | 402 | 100.00% |
| Male | 172 | 42.79% |
| Female | 230 | 57.21% |
The Population 65 Years in Janesville City
*Base on 2010 Data
| Total | 335 | 100.00% |
| Male | 137 | 40.90% |
| Female | 198 | 59.10% |
Race (total races tallied) in Janesville City
*Base on 2010 Data
| White alone or in combination with one or more other races | 2,228 | 98.02% |
| Black or African American alone or in combination with one or more other races | 19 | 0.84% |
| American Indian and Alaska Native alone or in combination with one or more other races | 7 | 0.31% |
| Asian alone or in combination with one or more other races | 8 | 0.35% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 4 | 0.18% |
| Some Other Race alone or in combination with one or more other races | 7 | 0.31% |
Hispanic or Latino by Specific Origin in Janesville City
*Base on 2010 Data
| Total | 2,256 | 100.00% |
| Hispanic or Latino (of any race) | 29 | 1.29% |
| Mexican | 17 | 0.75% |
| Puerto Rican | 2 | 0.09% |
| Cuban | 0 | 0.00% |
| Other Hispanic or Latino | 10 | 0.44% |
| Not Hispanic or Latino | 2,227 | 98.71% |
Hispanic or Latino and Race in Janesville City
*Base on 2010 Data
| Total | 2,256 | 100.00% |
| Hispanic or Latino | 29 | 1.29% |
| White alone | 25 | 1.11% |
| Black or African American alone | 1 | 0.04% |
| American Indian and Alaska Native alone | 0 | 0.00% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 3 | 0.13% |
| Two or More Races | 0 | 0.00% |
| Not Hispanic or Latino | 2,227 | 98.71% |
| White alone | 2,186 | 96.90% |
| Black or African American alone | 9 | 0.40% |
| American Indian and Alaska Native alone | 6 | 0.27% |
| Asian alone | 4 | 0.18% |
| Native Hawaiian and Other Pacific Islander alone | 1 | 0.04% |
| Some Other Race alone | 4 | 0.18% |
| Two or More Races | 17 | 0.75% |
Relationship in Janesville City
*Base on 2010 Data
| Total | 2,256 | 100.00% |
| In households | 2,212 | 98.05% |
| Householder | 889 | 39.41% |
| Spouse | 499 | 22.12% |
| Child | 685 | 30.36% |
| Own child under 18 years | 583 | 25.84% |
| Other relatives | 36 | 1.60% |
| Under 18 years | 13 | 0.58% |
| 65 years and over | 7 | 0.31% |
| Nonrelatives | 103 | 4.57% |
| Under 18 years | 16 | 0.71% |
| 65 years and over | 2 | 0.09% |
| Unmarried partner | 71 | 3.15% |
| In group quarters | 44 | 1.95% |
| Institutionalized population | 44 | 1.95% |
| Male | 17 | 0.75% |
| Female | 27 | 1.20% |
| Noninstitutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
Households by Type in Janesville City
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 889 | 100.00% |
| Family households (families) | 619 | 69.63% |
| With own children under 18 years | 308 | 34.65% |
| Husband-wife family | 499 | 56.13% |
| With own children under 18 years | 221 | 24.86% |
| Male householder, no wife present | 42 | 4.72% |
| With own children under 18 years | 32 | 3.60% |
| Female householder, no husband present | 78 | 8.77% |
| With own children under 18 years | 55 | 6.19% |
| Nonfamily households | 270 | 30.37% |
| Householder living alone | 223 | 25.08% |
| Male | 90 | 10.12% |
| 65 years and over | 17 | 1.91% |
| Female | 133 | 14.96% |
| 65 years and over | 76 | 8.55% |
Households with individuals under 18 years in Janesville City
*Base on 2010 Data
| Total | 319 | 35.88% |
Households with individuals under 65 years in Janesville City
*Base on 2010 Data
| Total | 210 | 23.62% |
Average Household Size in Janesville City
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Janesville City
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Janesville City
*Base on 2010 Data
| Total | 958 | 100.00% |
| Occupied housing units | 889 | 92.80% |
| Vacant housing units | 69 | 7.20% |
| For rent | 19 | 1.98% |
| Rented, not occupied | 2 | 0.21% |
| For sale only | 24 | 2.51% |
| Sold, not occupied | 10 | 1.04% |
| For seasonal, recreational, or occasional use | 2 | 0.21% |
| All other vacants | 12 | 1.25% |
Homeowner Vacancy Rate in Janesville City
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 3.10% |
Rental Vacancy Rate in Janesville City
*Base on 2010 Data
| Rental vacancy rate (percent) | 11.20% |
Housing Tenure(Occupied housing units) in Janesville City
*Base on 2010 Data
| Total | 889 | 100.00% |
| Owner-occupied housing units | 740 | 83.24% |
| Renter-occupied housing units | 149 | 16.76% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Janesville City
*Base on 2010 Data
| Owner-occupied housing units | 1,934 | 87.43% |
| Renter-occupied housing units | 278 | 12.57% |
Average Household Size of Occupied Housing Units by Tenure in Janesville City
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |