Population by Age in St. Johns
*Base on 2010 Data
| Total population | 476 | 100.00% |
| Under 5 years | 42 | 8.82% |
| 5 to 9 years | 53 | 11.13% |
| 10 to 14 years | 50 | 10.50% |
| 15 to 19 years | 46 | 9.66% |
| 20 to 24 years | 31 | 6.51% |
| 25 to 29 years | 21 | 4.41% |
| 30 to 34 years | 34 | 7.14% |
| 35 to 39 years | 29 | 6.09% |
| 40 to 44 years | 27 | 5.67% |
| 45 to 49 years | 32 | 6.72% |
| 50 to 54 years | 40 | 8.40% |
| 55 to 59 years | 23 | 4.83% |
| 60 to 64 years | 18 | 3.78% |
| 65 to 69 years | 7 | 1.47% |
| 70 to 74 years | 13 | 2.73% |
| 75 to 79 years | 3 | 0.63% |
| 80 to 84 years | 6 | 1.26% |
| 85 years and over | 1 | 0.21% |
Male Population in St. Johns
*Base on 2010 Data
| Male population | 201 | 42.23% |
| Under 5 years | 18 | 3.78% |
| 5 to 9 years | 21 | 4.41% |
| 10 to 14 years | 17 | 3.57% |
| 15 to 19 years | 21 | 4.41% |
| 20 to 24 years | 18 | 3.78% |
| 25 to 29 years | 8 | 1.68% |
| 30 to 34 years | 13 | 2.73% |
| 35 to 39 years | 11 | 2.31% |
| 40 to 44 years | 10 | 2.10% |
| 45 to 49 years | 14 | 2.94% |
| 50 to 54 years | 26 | 5.46% |
| 55 to 59 years | 10 | 2.10% |
| 60 to 64 years | 7 | 1.47% |
| 65 to 69 years | 1 | 0.21% |
| 70 to 74 years | 3 | 0.63% |
| 75 to 79 years | 0 | 0.00% |
| 80 to 84 years | 3 | 0.63% |
| 85 years and over | 0 | 0.00% |
Female Population in St. Johns
*Base on 2010 Data
| Female population | 275 | 57.77% |
| Under 5 years | 24 | 5.04% |
| 5 to 9 years | 32 | 6.72% |
| 10 to 14 years | 33 | 6.93% |
| 15 to 19 years | 25 | 5.25% |
| 20 to 24 years | 13 | 2.73% |
| 25 to 29 years | 13 | 2.73% |
| 30 to 34 years | 21 | 4.41% |
| 35 to 39 years | 18 | 3.78% |
| 40 to 44 years | 17 | 3.57% |
| 45 to 49 years | 18 | 3.78% |
| 50 to 54 years | 14 | 2.94% |
| 55 to 59 years | 13 | 2.73% |
| 60 to 64 years | 11 | 2.31% |
| 65 to 69 years | 6 | 1.26% |
| 70 to 74 years | 10 | 2.10% |
| 75 to 79 years | 3 | 0.63% |
| 80 to 84 years | 3 | 0.63% |
| 85 years and over | 1 | 0.21% |
Median Age in St. Johns
*Base on 2010 Data
| Both | 28.30% | |
| Male | 27.50% | |
| Female | 28.80% |
Race in St. Johns
*Base on 2010 Data
| Total | 476 | 100.00% |
| Population of one race | 470 | 98.74% |
| White | 14 | 2.94% |
| Black or African American | 1 | 0.21% |
| American Indian and Alaska Native | 452 | 94.96% |
| Asian | 0 | 0.00% |
| Asian Indian | 0 | 0.00% |
| Chinese | 0 | 0.00% |
| Filipino | 0 | 0.00% |
| Japanese | 0 | 0.00% |
| Korean | 0 | 0.00% |
| Vietnamese | 0 | 0.00% |
| Other Asian | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander | 0 | 0.00% |
| Native Hawaiian | 0 | 0.00% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 3 | 0.63% |
| Population of Two or More Races | 6 | 1.26% |
| White; American Indian and Alaska Native | 4 | 0.84% |
| White; Asian | 0 | 0.00% |
| White; Black or African American | 0 | 0.00% |
| White; Some Other Race | 0 | 0.00% |
The Population 16 Years in St. Johns
*Base on 2010 Data
| Total | 321 | 100.00% |
| Male | 141 | 43.93% |
| Female | 180 | 56.07% |
The Population 18 Years in St. Johns
*Base on 2010 Data
| Total | 306 | 100.00% |
| Male | 134 | 43.79% |
| Female | 172 | 56.21% |
The Population 21 Years in St. Johns
*Base on 2010 Data
| Total | 277 | 100.00% |
| Male | 120 | 43.32% |
| Female | 157 | 56.68% |
The Population 62 Years in St. Johns
*Base on 2010 Data
| Total | 41 | 100.00% |
| Male | 10 | 24.39% |
| Female | 31 | 75.61% |
The Population 65 Years in St. Johns
*Base on 2010 Data
| Total | 30 | 100.00% |
| Male | 7 | 23.33% |
| Female | 23 | 76.67% |
Race (total races tallied) in St. Johns
*Base on 2010 Data
| White alone or in combination with one or more other races | 18 | 3.73% |
| Black or African American alone or in combination with one or more other races | 3 | 0.62% |
| American Indian and Alaska Native alone or in combination with one or more other races | 458 | 95.02% |
| Asian alone or in combination with one or more other races | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 0 | 0.00% |
| Some Other Race alone or in combination with one or more other races | 3 | 0.62% |
Hispanic or Latino by Specific Origin in St. Johns
*Base on 2010 Data
| Total | 476 | 100.00% |
| Hispanic or Latino (of any race) | 19 | 3.99% |
| Mexican | 19 | 3.99% |
| Puerto Rican | 0 | 0.00% |
| Cuban | 0 | 0.00% |
| Other Hispanic or Latino | 0 | 0.00% |
| Not Hispanic or Latino | 457 | 96.01% |
Hispanic or Latino and Race in St. Johns
*Base on 2010 Data
| Total | 476 | 100.00% |
| Hispanic or Latino | 19 | 3.99% |
| White alone | 1 | 0.21% |
| Black or African American alone | 0 | 0.00% |
| American Indian and Alaska Native alone | 15 | 3.15% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 3 | 0.63% |
| Two or More Races | 0 | 0.00% |
| Not Hispanic or Latino | 457 | 96.01% |
| White alone | 13 | 2.73% |
| Black or African American alone | 1 | 0.21% |
| American Indian and Alaska Native alone | 437 | 91.81% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 0 | 0.00% |
| Two or More Races | 6 | 1.26% |
Relationship in St. Johns
*Base on 2010 Data
| Total | 476 | 100.00% |
| In households | 476 | 100.00% |
| Householder | 127 | 26.68% |
| Spouse | 29 | 6.09% |
| Child | 158 | 33.19% |
| Own child under 18 years | 88 | 18.49% |
| Other relatives | 133 | 27.94% |
| Under 18 years | 79 | 16.60% |
| 65 years and over | 8 | 1.68% |
| Nonrelatives | 29 | 6.09% |
| Under 18 years | 3 | 0.63% |
| 65 years and over | 1 | 0.21% |
| Unmarried partner | 16 | 3.36% |
| In group quarters | 0 | 0.00% |
| Institutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
| Noninstitutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
Households by Type in St. Johns
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 127 | 100.00% |
| Family households (families) | 99 | 77.95% |
| With own children under 18 years | 36 | 28.35% |
| Husband-wife family | 29 | 22.83% |
| With own children under 18 years | 13 | 10.24% |
| Male householder, no wife present | 17 | 13.39% |
| With own children under 18 years | 6 | 4.72% |
| Female householder, no husband present | 53 | 41.73% |
| With own children under 18 years | 17 | 13.39% |
| Nonfamily households | 28 | 22.05% |
| Householder living alone | 24 | 18.90% |
| Male | 16 | 12.60% |
| 65 years and over | 0 | 0.00% |
| Female | 8 | 6.30% |
| 65 years and over | 2 | 1.57% |
Households with individuals under 18 years in St. Johns
*Base on 2010 Data
| Total | 70 | 55.12% |
Households with individuals under 65 years in St. Johns
*Base on 2010 Data
| Total | 26 | 20.47% |
Average Household Size in St. Johns
*Base on 2010 Data
| Average household size | 4 | % |
Average Family Size in St. Johns
*Base on 2010 Data
| Average family size | 4 | % |
Housing Occupancy(Total housing units) in St. Johns
*Base on 2010 Data
| Total | 139 | 100.00% |
| Occupied housing units | 127 | 91.37% |
| Vacant housing units | 12 | 8.63% |
| For rent | 0 | 0.00% |
| Rented, not occupied | 0 | 0.00% |
| For sale only | 0 | 0.00% |
| Sold, not occupied | 0 | 0.00% |
| For seasonal, recreational, or occasional use | 10 | 7.19% |
| All other vacants | 2 | 1.44% |
Homeowner Vacancy Rate in St. Johns
*Base on 2010 Data
| Homeowner vacancy rate (percent) | .00% |
Rental Vacancy Rate in St. Johns
*Base on 2010 Data
| Rental vacancy rate (percent) | .00% |
Housing Tenure(Occupied housing units) in St. Johns
*Base on 2010 Data
| Total | 127 | 100.00% |
| Owner-occupied housing units | 93 | 73.23% |
| Renter-occupied housing units | 34 | 26.77% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Johns
*Base on 2010 Data
| Owner-occupied housing units | 365 | 76.68% |
| Renter-occupied housing units | 111 | 23.32% |
Average Household Size of Occupied Housing Units by Tenure in St. Johns
*Base on 2010 Data
| Owner occupied | 4 | % |
| Renter occupied | 3 | % |