Owasa Flag

Owasa

County:
Franklin County
County Seat:
No
Area (mi²):
0.563
State:
Iowa

Owasa is a city located in Franklin County, Iowa. Owasa has a 2026 population of 29. Owasa is currently declining at a rate of 0% annually and its population has decreased by -6.45% since the most recent census, which recorded a population of 31 in 2020.

The median age in Owasa is 67.5 years: 69.1 years for males, and 63.5 years for females. For every 100 females there are 78.6 males.

29
Total Population
52
Density (mi²)

Owasa Population

Owasa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262900%
202529-1-3.33%
20243000%
20233000%
202230-1-3.23%
20213100%
20203100%
20194200%
20184200%
201742-1-2.33%
20164300%
20154300%
20144300%
20134300%
20124300%
20114300%
20104300%

Median Age

Overall: 67.5 years
Female: 63.5 years
Male: 69.1 years

Owasa Adults

There are 24 adults, (14 of whom are seniors) in Owasa.

Sex Ratio

Female: 14 (56%)
Male: 11 (44%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White25100%
Race
Population ↓
Percentage (of total)
White25100%

Owasa 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)