Marion County Flag

Marion County

State:
Missouri
County Seat:
Palmyra

Marion County's estimated 2025 population is 28,030 with a growth rate of -0.54% in the past year according to the most recent United States census data. Marion County is the 39th largest county in Missouri. The 2010 population was 28,785 and has seen a growth of -2.62% since that time.

28,030
Total Population
64
Population Density (mi²)
39
Population Rank (State)
-153 -0.54%
Annual Population Growth

Marion County Population

Marion County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marion County includes 89.56% White, 5.2% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White25,51889.56%
Black or African American1,4815.2%
Two or more races1,2414.36%
Asian980.34%
Other race870.31%
Native American600.21%
Native Hawaiian or Pacific Islander80.03%

Marion County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion County's average per capita income is $41,274. Household income levels show a median of $63,908. The poverty rate stands at 13.59%.

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$90,883$103,886
Families$77,421$88,493
Households$63,908$77,702
Non Families$33,307$50,094

$41,274

Average Income

$63,908

Median Household Income

13.59%

Poverty Rate