Population by Age in Johnson County
*Base on 2010 Data
| Total population | 23,356 | 100.00% |
| Under 5 years | 1,364 | 5.84% |
| 5 to 9 years | 1,457 | 6.24% |
| 10 to 14 years | 1,495 | 6.40% |
| 15 to 19 years | 1,524 | 6.53% |
| 20 to 24 years | 1,329 | 5.69% |
| 25 to 29 years | 1,371 | 5.87% |
| 30 to 34 years | 1,415 | 6.06% |
| 35 to 39 years | 1,586 | 6.79% |
| 40 to 44 years | 1,647 | 7.05% |
| 45 to 49 years | 1,763 | 7.55% |
| 50 to 54 years | 1,753 | 7.51% |
| 55 to 59 years | 1,733 | 7.42% |
| 60 to 64 years | 1,618 | 6.93% |
| 65 to 69 years | 1,127 | 4.83% |
| 70 to 74 years | 851 | 3.64% |
| 75 to 79 years | 572 | 2.45% |
| 80 to 84 years | 421 | 1.80% |
| 85 years and over | 330 | 1.41% |
Male Population in Johnson County
*Base on 2010 Data
| Male population | 11,484 | 49.17% |
| Under 5 years | 711 | 3.04% |
| 5 to 9 years | 795 | 3.40% |
| 10 to 14 years | 731 | 3.13% |
| 15 to 19 years | 809 | 3.46% |
| 20 to 24 years | 668 | 2.86% |
| 25 to 29 years | 675 | 2.89% |
| 30 to 34 years | 727 | 3.11% |
| 35 to 39 years | 765 | 3.28% |
| 40 to 44 years | 798 | 3.42% |
| 45 to 49 years | 844 | 3.61% |
| 50 to 54 years | 859 | 3.68% |
| 55 to 59 years | 820 | 3.51% |
| 60 to 64 years | 833 | 3.57% |
| 65 to 69 years | 521 | 2.23% |
| 70 to 74 years | 408 | 1.75% |
| 75 to 79 years | 262 | 1.12% |
| 80 to 84 years | 157 | 0.67% |
| 85 years and over | 101 | 0.43% |
Female Population in Johnson County
*Base on 2010 Data
| Female population | 11,872 | 50.83% |
| Under 5 years | 653 | 2.80% |
| 5 to 9 years | 662 | 2.83% |
| 10 to 14 years | 764 | 3.27% |
| 15 to 19 years | 715 | 3.06% |
| 20 to 24 years | 661 | 2.83% |
| 25 to 29 years | 696 | 2.98% |
| 30 to 34 years | 688 | 2.95% |
| 35 to 39 years | 821 | 3.52% |
| 40 to 44 years | 849 | 3.64% |
| 45 to 49 years | 919 | 3.93% |
| 50 to 54 years | 894 | 3.83% |
| 55 to 59 years | 913 | 3.91% |
| 60 to 64 years | 785 | 3.36% |
| 65 to 69 years | 606 | 2.59% |
| 70 to 74 years | 443 | 1.90% |
| 75 to 79 years | 310 | 1.33% |
| 80 to 84 years | 264 | 1.13% |
| 85 years and over | 229 | 0.98% |
Median Age in Johnson County
*Base on 2010 Data
| Both | 40.40% | |
| Male | 39.20% | |
| Female | 41.60% |
Race in Johnson County
*Base on 2010 Data
| Total | 23,356 | 100.00% |
| Population of one race | 23,171 | 99.21% |
| White | 22,976 | 98.37% |
| Black or African American | 56 | 0.24% |
| American Indian and Alaska Native | 30 | 0.13% |
| Asian | 91 | 0.39% |
| Asian Indian | 24 | 0.10% |
| Chinese | 9 | 0.04% |
| Filipino | 22 | 0.09% |
| Japanese | 3 | 0.01% |
| Korean | 6 | 0.03% |
| Vietnamese | 6 | 0.03% |
| Other Asian | 21 | 0.09% |
| Native Hawaiian and Other Pacific Islander | 4 | 0.02% |
| Native Hawaiian | 3 | 0.01% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 1 | 0.00% |
| Some Other Race | 14 | 0.06% |
| Population of Two or More Races | 185 | 0.79% |
| White; American Indian and Alaska Native | 98 | 0.42% |
| White; Asian | 24 | 0.10% |
| White; Black or African American | 39 | 0.17% |
| White; Some Other Race | 16 | 0.07% |
The Population 16 Years in Johnson County
*Base on 2010 Data
| Total | 18,741 | 100.00% |
| Male | 9,099 | 48.55% |
| Female | 9,642 | 51.45% |
The Population 18 Years in Johnson County
*Base on 2010 Data
| Total | 18,107 | 100.00% |
| Male | 8,772 | 48.45% |
| Female | 9,335 | 51.55% |
The Population 21 Years in Johnson County
*Base on 2010 Data
| Total | 17,218 | 100.00% |
| Male | 8,299 | 48.20% |
| Female | 8,919 | 51.80% |
The Population 62 Years in Johnson County
*Base on 2010 Data
| Total | 4,225 | 100.00% |
| Male | 1,927 | 45.61% |
| Female | 2,298 | 54.39% |
The Population 65 Years in Johnson County
*Base on 2010 Data
| Total | 3,301 | 100.00% |
| Male | 1,449 | 43.90% |
| Female | 1,852 | 56.10% |
Race (total races tallied) in Johnson County
*Base on 2010 Data
| White alone or in combination with one or more other races | 23,159 | 98.36% |
| Black or African American alone or in combination with one or more other races | 99 | 0.42% |
| American Indian and Alaska Native alone or in combination with one or more other races | 130 | 0.55% |
| Asian alone or in combination with one or more other races | 116 | 0.49% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 7 | 0.03% |
| Some Other Race alone or in combination with one or more other races | 34 | 0.14% |
Hispanic or Latino by Specific Origin in Johnson County
*Base on 2010 Data
| Total | 23,356 | 100.00% |
| Hispanic or Latino (of any race) | 109 | 0.47% |
| Mexican | 45 | 0.19% |
| Puerto Rican | 16 | 0.07% |
| Cuban | 6 | 0.03% |
| Other Hispanic or Latino | 42 | 0.18% |
| Not Hispanic or Latino | 23,247 | 99.53% |
Hispanic or Latino and Race in Johnson County
*Base on 2010 Data
| Total | 23,356 | 100.00% |
| Hispanic or Latino | 109 | 0.47% |
| White alone | 76 | 0.33% |
| Black or African American alone | 0 | 0.00% |
| American Indian and Alaska Native alone | 2 | 0.01% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 13 | 0.06% |
| Two or More Races | 18 | 0.08% |
| Not Hispanic or Latino | 23,247 | 99.53% |
| White alone | 22,900 | 98.05% |
| Black or African American alone | 56 | 0.24% |
| American Indian and Alaska Native alone | 28 | 0.12% |
| Asian alone | 91 | 0.39% |
| Native Hawaiian and Other Pacific Islander alone | 4 | 0.02% |
| Some Other Race alone | 1 | 0.00% |
| Two or More Races | 167 | 0.72% |
Relationship in Johnson County
*Base on 2010 Data
| Total | 23,356 | 100.00% |
| In households | 22,828 | 97.74% |
| Householder | 9,362 | 40.08% |
| Spouse | 5,084 | 21.77% |
| Child | 6,179 | 26.46% |
| Own child under 18 years | 4,481 | 19.19% |
| Other relatives | 1,423 | 6.09% |
| Under 18 years | 668 | 2.86% |
| 65 years and over | 200 | 0.86% |
| Nonrelatives | 780 | 3.34% |
| Under 18 years | 95 | 0.41% |
| 65 years and over | 31 | 0.13% |
| Unmarried partner | 454 | 1.94% |
| In group quarters | 528 | 2.26% |
| Institutionalized population | 469 | 2.01% |
| Male | 294 | 1.26% |
| Female | 175 | 0.75% |
| Noninstitutionalized population | 59 | 0.25% |
| Male | 27 | 0.12% |
| Female | 32 | 0.14% |
Households by Type in Johnson County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 9,362 | 100.00% |
| Family households (families) | 6,596 | 70.46% |
| With own children under 18 years | 2,627 | 28.06% |
| Husband-wife family | 5,084 | 54.30% |
| With own children under 18 years | 1,910 | 20.40% |
| Male householder, no wife present | 431 | 4.60% |
| With own children under 18 years | 185 | 1.98% |
| Female householder, no husband present | 1,081 | 11.55% |
| With own children under 18 years | 532 | 5.68% |
| Nonfamily households | 2,766 | 29.54% |
| Householder living alone | 2,452 | 26.19% |
| Male | 1,073 | 11.46% |
| 65 years and over | 320 | 3.42% |
| Female | 1,379 | 14.73% |
| 65 years and over | 691 | 7.38% |
Households with individuals under 18 years in Johnson County
*Base on 2010 Data
| Total | 3,053 | 32.61% |
Households with individuals under 65 years in Johnson County
*Base on 2010 Data
| Total | 2,467 | 26.35% |
Average Household Size in Johnson County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Johnson County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Johnson County
*Base on 2010 Data
| Total | 10,624 | 100.00% |
| Occupied housing units | 9,362 | 88.12% |
| Vacant housing units | 1,262 | 11.88% |
| For rent | 188 | 1.77% |
| Rented, not occupied | 8 | 0.08% |
| For sale only | 112 | 1.05% |
| Sold, not occupied | 84 | 0.79% |
| For seasonal, recreational, or occasional use | 114 | 1.07% |
| All other vacants | 756 | 7.12% |
Homeowner Vacancy Rate in Johnson County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.60% |
Rental Vacancy Rate in Johnson County
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.00% |
Housing Tenure(Occupied housing units) in Johnson County
*Base on 2010 Data
| Total | 9,362 | 100.00% |
| Owner-occupied housing units | 6,874 | 73.42% |
| Renter-occupied housing units | 2,488 | 26.58% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Johnson County
*Base on 2010 Data
| Owner-occupied housing units | 17,123 | 75.01% |
| Renter-occupied housing units | 5,705 | 24.99% |
Average Household Size of Occupied Housing Units by Tenure in Johnson County
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |