Castalia Flag

Castalia

County Seat:
No
Area (mi²):
0.578
State:
Iowa

Castalia is a city located in Winneshiek County, Iowa. Castalia has a 2025 population of 135. Castalia is currently declining at a rate of -1.46% annually and its population has decreased by -6.25% since the most recent census, which recorded a population of 144 in 2020.

The average household income in Castalia is $65,049 with a poverty rate of 8.51%.The median age in Castalia is 59.3 years: 59.3 years for males, and 59 years for females.

135
Total Population
234
Density (mi²)
-2 -1.46%
Growth

Castalia Population

Demographics

Economics and Income Statistics

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)