Green Castle Flag

Green Castle

County:
Sullivan County
County Seat:
No
Area (mi²):
0.447
State:
Missouri

Green Castle is a city located in Sullivan County, Missouri. Green Castle has a 2025 population of 208. Green Castle is currently declining at a rate of -0.95% annually and its population has decreased by -4.59% since the most recent census, which recorded a population of 218 in 2020.

The average household income in Green Castle is $67,768 with a poverty rate of 10.57%.The median age in Green Castle is 51.2 years: 43.6 years for males, and 51.9 years for females.

208
Total Population
465
Density (mi²)
-2 -0.95%
Growth

Green Castle 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)