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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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