Marthasville

County:: Warren County
County Seat:: No
Area (mi²):: 0.854
State:: Missouri

Marthasville is a city located in Warren County, Missouri. Marthasville has a 2025 population of 1,309. Marthasville is currently growing at a rate of 1% annually and its population has increased by 5.23% since the most recent census, which recorded a population of 1,244 in 2020.

The average household income in Marthasville is $113,012 with a poverty rate of 0.97%. The median age in Marthasville is 30.2 years: 26.2 years for males, and 31.7 years for females.

Demographics

The racial composition of Marthasville includes 97.26% White, and smaller percentages for Two or more races, other race, Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,516	97.26%
Two or more races	59	2.28%
Other race	11	0.43%
Native American	1	0.04%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Marthasville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marthasville's average per capita income is $50,242. Household income levels show a median of $114,950. The poverty rate stands at 0.97%.

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	$118,045	$115,144
Households	$114,950	$113,012
Married Families	$113,900	-
Non Families	$42,981	$59,319

$50,242

Average Income

$114,950

Median Household Income

0.97%

Poverty Rate