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 2026 population of 204. Green Castle is currently declining at a rate of -0.97% annually and its population has decreased by -6.85% since the most recent census, which recorded a population of 219 in 2020.

The median household income in Green Castle is $49,688 with a poverty rate of 7.83%. The median age in Green Castle is 52.5 years: 43.9 years for males, and 61.1 years for females. For every 100 females there are 110.1 males.

204
Total Population
456
Density (mi²)
-2 -0.97%
Growth

Green Castle Population

Green Castle Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026204-2-0.97%
2025206-3-1.44%
2024209-5-2.34%
202321400%
2022214-2-0.93%
2021216-3-1.37%
202021900%
2019245-5-2%
201825000%
2017250-5-1.96%
2016255-2-0.78%
2015257-4-1.53%
2014261-1-0.38%
2013262-4-1.5%
2012266-4-1.48%
2011270-5-1.82%
201027310.37%

Median Age

Overall: 52.5 years
Female: 61.1 years
Male: 43.9 years

Green Castle Adults

There are 302 adults, (83 of whom are seniors) in Green Castle.

Sex Ratio

Female: 158 (47.6%)
Male: 174 (52.4%)

Demographics

The racial composition of Green Castle includes 93.98% White, and smaller percentages for Two or more races, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White31293.98%
Two or more races92.71%
Other race82.41%
Native American30.9%
Race
Population ↓
Percentage (of total)
Other race82.41%
Two or more races20.6%
Race
Population ↓
Percentage (of total)
White31293.98%
Two or more races72.11%
Native American30.9%

Green Castle Marital Status

Economics and Income Statistics

Green Castle 's average per capita income is $30,417. Household income levels show a median of $49,688. The poverty rate stands at 7.83%.

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
Families$57,188$63,229
Households$49,688$56,928
Married Families$48,750-
Non Families$46,429$47,633

$30,417

Average Income

$49,688

Median Household Income

7.83%

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)