St. Johns Flag

St. Johns

County:
Auglaize County
County Seat:
No
Area (mi²):
0.384
State:
Ohio

St. Johns is a CDP located in Auglaize County, Ohio. St. Johns has a 2026 population of 345. St. Johns is currently growing at a rate of 2.99% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in St. Johns is 44 years: 43.9 years for males, and 44.1 years for females. For every 100 females there are 75.3 males.

345
Total Population
899
Density (mi²)
10 2.99%
Growth

St. Johns Population

St. Johns Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026345102.99%
2025335103.08%

Median Age

Overall: 44 years
Female: 44.1 years
Male: 43.9 years

St. Johns Adults

There are 163 adults, (37 of whom are seniors) in St. Johns.

Sex Ratio

Female: 93 (57.1%)
Male: 70 (42.9%)

Demographics

The racial composition of St. Johns includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White163100%
Race
Population ↓
Percentage (of total)
White163100%

St. Johns Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)