Martensdale

County:: Warren County
County Seat:: No
Area (mi²):: 0.38
State:: Iowa

Martensdale is a city located in Warren County, Iowa. Martensdale has a 2025 population of 403. Martensdale is currently declining at a rate of -0.98% annually and its population has decreased by -4.5% since the most recent census, which recorded a population of 422 in 2020.

The average household income in Martensdale is $64,745 with a poverty rate of 11.39%. The median age in Martensdale is 29 years: 26.3 years for males, and 39.1 years for females.

Demographics

The racial composition of Martensdale includes 92.52% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	544	92.52%
Two or more races	37	6.29%
Black or African American	6	1.02%
Native American	1	0.17%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Martensdale Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Martensdale's average per capita income is $51,389. Household income levels show a median of $53,750. The poverty rate stands at 11.39%.

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	$87,083	-
Families	$65,000	$74,455
Households	$53,750	$64,745
Non Families	$38,125	$45,663

$51,389

Average Income

$53,750

Median Household Income

11.39%

Poverty Rate