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 206 . Green Castle is currently declining at a rate of -1.44% annually and its population has decreased by -5.94% since the most recent census, which recorded a population of 219 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. For every 100 females there are 113.5 males.

206
Total Population
461
Density (mi²)
-3 -1.44%
Growth

Green Castle Population

Green Castle Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Green Castle includes 96.68% White, and smaller percentages for Two or more races, Native American, other race and multiracial populations.

Population by Race

White (96.68%)

Two or more races (1.81%)

Native American (1.21%)

Other race (0.3%)

Race
Population
Percentage (of total)
White32096.68%
Two or more races61.81%
Native American41.21%
Other race10.3%

Green Castle Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Green Castle's average per capita income is $55,625. Household income levels show a median of $56,250. The poverty rate stands at 10.57%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$76,458-
Non Families$57,917$52,830
Households$56,250$67,768
Families$55,750$77,493

$55,625

Average Income

$56,250

Median Household Income

10.57%

Poverty Rate

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)