Population by Age in St. Johns County
*Base on 2010 Data
| Total population | 190,039 | 100.00% |
| Under 5 years | 10,106 | 5.32% |
| 5 to 9 years | 12,371 | 6.51% |
| 10 to 14 years | 13,207 | 6.95% |
| 15 to 19 years | 12,944 | 6.81% |
| 20 to 24 years | 9,871 | 5.19% |
| 25 to 29 years | 9,187 | 4.83% |
| 30 to 34 years | 9,416 | 4.95% |
| 35 to 39 years | 11,959 | 6.29% |
| 40 to 44 years | 13,742 | 7.23% |
| 45 to 49 years | 15,707 | 8.27% |
| 50 to 54 years | 15,067 | 7.93% |
| 55 to 59 years | 13,601 | 7.16% |
| 60 to 64 years | 13,068 | 6.88% |
| 65 to 69 years | 9,876 | 5.20% |
| 70 to 74 years | 6,832 | 3.60% |
| 75 to 79 years | 5,259 | 2.77% |
| 80 to 84 years | 4,149 | 2.18% |
| 85 years and over | 3,677 | 1.93% |
Male Population in St. Johns County
*Base on 2010 Data
| Male population | 92,425 | 48.63% |
| Under 5 years | 5,084 | 2.68% |
| 5 to 9 years | 6,346 | 3.34% |
| 10 to 14 years | 6,724 | 3.54% |
| 15 to 19 years | 6,730 | 3.54% |
| 20 to 24 years | 4,873 | 2.56% |
| 25 to 29 years | 4,443 | 2.34% |
| 30 to 34 years | 4,524 | 2.38% |
| 35 to 39 years | 5,760 | 3.03% |
| 40 to 44 years | 6,682 | 3.52% |
| 45 to 49 years | 7,476 | 3.93% |
| 50 to 54 years | 7,275 | 3.83% |
| 55 to 59 years | 6,507 | 3.42% |
| 60 to 64 years | 6,362 | 3.35% |
| 65 to 69 years | 4,792 | 2.52% |
| 70 to 74 years | 3,246 | 1.71% |
| 75 to 79 years | 2,471 | 1.30% |
| 80 to 84 years | 1,780 | 0.94% |
| 85 years and over | 1,350 | 0.71% |
Female Population in St. Johns County
*Base on 2010 Data
| Female population | 97,614 | 51.37% |
| Under 5 years | 5,022 | 2.64% |
| 5 to 9 years | 6,025 | 3.17% |
| 10 to 14 years | 6,483 | 3.41% |
| 15 to 19 years | 6,214 | 3.27% |
| 20 to 24 years | 4,998 | 2.63% |
| 25 to 29 years | 4,744 | 2.50% |
| 30 to 34 years | 4,892 | 2.57% |
| 35 to 39 years | 6,199 | 3.26% |
| 40 to 44 years | 7,060 | 3.72% |
| 45 to 49 years | 8,231 | 4.33% |
| 50 to 54 years | 7,792 | 4.10% |
| 55 to 59 years | 7,094 | 3.73% |
| 60 to 64 years | 6,706 | 3.53% |
| 65 to 69 years | 5,084 | 2.68% |
| 70 to 74 years | 3,586 | 1.89% |
| 75 to 79 years | 2,788 | 1.47% |
| 80 to 84 years | 2,369 | 1.25% |
| 85 years and over | 2,327 | 1.22% |
Median Age in St. Johns County
*Base on 2010 Data
| Both | 42.20% | |
| Male | 41.30% | |
| Female | 43.10% |
Race in St. Johns County
*Base on 2010 Data
| Total | 190,039 | 100.00% |
| Population of one race | 186,674 | 98.23% |
| White | 169,794 | 89.35% |
| Black or African American | 10,684 | 5.62% |
| American Indian and Alaska Native | 551 | 0.29% |
| Asian | 3,920 | 2.06% |
| Asian Indian | 1,255 | 0.66% |
| Chinese | 680 | 0.36% |
| Filipino | 903 | 0.48% |
| Japanese | 114 | 0.06% |
| Korean | 268 | 0.14% |
| Vietnamese | 252 | 0.13% |
| Other Asian | 448 | 0.24% |
| Native Hawaiian and Other Pacific Islander | 149 | 0.08% |
| Native Hawaiian | 31 | 0.02% |
| Guamanian or Chamorro | 30 | 0.02% |
| Samoan | 13 | 0.01% |
| Other Pacific Islander | 75 | 0.04% |
| Some Other Race | 1,576 | 0.83% |
| Population of Two or More Races | 3,365 | 1.77% |
| White; American Indian and Alaska Native | 657 | 0.35% |
| White; Asian | 984 | 0.52% |
| White; Black or African American | 787 | 0.41% |
| White; Some Other Race | 350 | 0.18% |
The Population 16 Years in St. Johns County
*Base on 2010 Data
| Total | 151,611 | 100.00% |
| Male | 72,837 | 48.04% |
| Female | 78,774 | 51.96% |
The Population 18 Years in St. Johns County
*Base on 2010 Data
| Total | 146,188 | 100.00% |
| Male | 70,008 | 47.89% |
| Female | 76,180 | 52.11% |
The Population 21 Years in St. Johns County
*Base on 2010 Data
| Total | 139,287 | 100.00% |
| Male | 66,492 | 47.74% |
| Female | 72,795 | 52.26% |
The Population 62 Years in St. Johns County
*Base on 2010 Data
| Total | 37,548 | 100.00% |
| Male | 17,424 | 46.40% |
| Female | 20,124 | 53.60% |
The Population 65 Years in St. Johns County
*Base on 2010 Data
| Total | 29,793 | 100.00% |
| Male | 13,639 | 45.78% |
| Female | 16,154 | 54.22% |
Race (total races tallied) in St. Johns County
*Base on 2010 Data
| White alone or in combination with one or more other races | 172,824 | 89.27% |
| Black or African American alone or in combination with one or more other races | 11,784 | 6.09% |
| American Indian and Alaska Native alone or in combination with one or more other races | 1,411 | 0.73% |
| Asian alone or in combination with one or more other races | 5,147 | 2.66% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 324 | 0.17% |
| Some Other Race alone or in combination with one or more other races | 2,114 | 1.09% |
Hispanic or Latino by Specific Origin in St. Johns County
*Base on 2010 Data
| Total | 190,039 | 100.00% |
| Hispanic or Latino (of any race) | 9,972 | 5.25% |
| Mexican | 1,959 | 1.03% |
| Puerto Rican | 2,953 | 1.55% |
| Cuban | 1,227 | 0.65% |
| Other Hispanic or Latino | 3,833 | 2.02% |
| Not Hispanic or Latino | 180,067 | 94.75% |
Hispanic or Latino and Race in St. Johns County
*Base on 2010 Data
| Total | 190,039 | 100.00% |
| Hispanic or Latino | 9,972 | 5.25% |
| White alone | 7,600 | 4.00% |
| Black or African American alone | 296 | 0.16% |
| American Indian and Alaska Native alone | 94 | 0.05% |
| Asian alone | 66 | 0.03% |
| Native Hawaiian and Other Pacific Islander alone | 9 | 0.00% |
| Some Other Race alone | 1,286 | 0.68% |
| Two or More Races | 621 | 0.33% |
| Not Hispanic or Latino | 180,067 | 94.75% |
| White alone | 162,194 | 85.35% |
| Black or African American alone | 10,388 | 5.47% |
| American Indian and Alaska Native alone | 457 | 0.24% |
| Asian alone | 3,854 | 2.03% |
| Native Hawaiian and Other Pacific Islander alone | 140 | 0.07% |
| Some Other Race alone | 290 | 0.15% |
| Two or More Races | 2,744 | 1.44% |
Relationship in St. Johns County
*Base on 2010 Data
| Total | 190,039 | 100.00% |
| In households | 187,241 | 98.53% |
| Householder | 75,338 | 39.64% |
| Spouse | 42,251 | 22.23% |
| Child | 51,759 | 27.24% |
| Own child under 18 years | 40,013 | 21.06% |
| Other relatives | 7,889 | 4.15% |
| Under 18 years | 2,948 | 1.55% |
| 65 years and over | 1,717 | 0.90% |
| Nonrelatives | 10,004 | 5.26% |
| Under 18 years | 632 | 0.33% |
| 65 years and over | 638 | 0.34% |
| Unmarried partner | 4,494 | 2.36% |
| In group quarters | 2,798 | 1.47% |
| Institutionalized population | 1,382 | 0.73% |
| Male | 792 | 0.42% |
| Female | 590 | 0.31% |
| Noninstitutionalized population | 1,416 | 0.75% |
| Male | 673 | 0.35% |
| Female | 743 | 0.39% |
Households by Type in St. Johns County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 75,338 | 100.00% |
| Family households (families) | 52,223 | 69.32% |
| With own children under 18 years | 22,349 | 29.66% |
| Husband-wife family | 42,251 | 56.08% |
| With own children under 18 years | 16,974 | 22.53% |
| Male householder, no wife present | 2,751 | 3.65% |
| With own children under 18 years | 1,453 | 1.93% |
| Female householder, no husband present | 7,221 | 9.58% |
| With own children under 18 years | 3,922 | 5.21% |
| Nonfamily households | 23,115 | 30.68% |
| Householder living alone | 17,845 | 23.69% |
| Male | 7,457 | 9.90% |
| 65 years and over | 2,101 | 2.79% |
| Female | 10,388 | 13.79% |
| 65 years and over | 4,956 | 6.58% |
Households with individuals under 18 years in St. Johns County
*Base on 2010 Data
| Total | 24,276 | 32.22% |
Households with individuals under 65 years in St. Johns County
*Base on 2010 Data
| Total | 21,070 | 27.97% |
Average Household Size in St. Johns County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in St. Johns County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in St. Johns County
*Base on 2010 Data
| Total | 89,830 | 100.00% |
| Occupied housing units | 75,338 | 83.87% |
| Vacant housing units | 14,492 | 16.13% |
| For rent | 2,677 | 2.98% |
| Rented, not occupied | 177 | 0.20% |
| For sale only | 2,233 | 2.49% |
| Sold, not occupied | 366 | 0.41% |
| For seasonal, recreational, or occasional use | 6,617 | 7.37% |
| All other vacants | 2,422 | 2.70% |
Homeowner Vacancy Rate in St. Johns County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 3.70% |
Rental Vacancy Rate in St. Johns County
*Base on 2010 Data
| Rental vacancy rate (percent) | 13.20% |
Housing Tenure(Occupied housing units) in St. Johns County
*Base on 2010 Data
| Total | 75,338 | 100.00% |
| Owner-occupied housing units | 57,862 | 76.80% |
| Renter-occupied housing units | 17,476 | 23.20% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Johns County
*Base on 2010 Data
| Owner-occupied housing units | 146,408 | 78.19% |
| Renter-occupied housing units | 40,833 | 21.81% |
Average Household Size of Occupied Housing Units by Tenure in St. Johns County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |