Martinsburg

County:: Audrain County
County Seat:: No
Area (mi²):: 0.273
State:: Missouri

Martinsburg is a town located in Audrain County, Missouri. Martinsburg has a 2025 population of 260. Martinsburg is currently growing at a rate of 0.78% annually and its population has increased by 3.17% since the most recent census, which recorded a population of 252 in 2020.

The average household income in Martinsburg is $47,963 with a poverty rate of 16.32%.The median age in Martinsburg is 39.6 years: 45.8 years for males, and 39.3 years for females.

Demographics

The racial composition of Martinsburg includes 96.91% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	564	96.91%
Two or more races	7	1.2%
Black or African American	6	1.03%
Other race	5	0.86%

Martinsburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Martinsburg's average per capita income is $14,869. Household income levels show a median of $31,735. The poverty rate stands at 16.32%.

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	$31,786	$52,186
Households	$31,735	$47,963
Married Families	$31,696	-
Non Families	$28,750	$36,717

$14,869

Average Income

$31,735

Median Household Income

16.32%

Poverty Rate