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.
Data after 2023 is projected based on recent change
The racial composition of Martensdale includes 92.52% White, and smaller percentages for Black or African American, Native American and multiracial populations.
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $87,083 | - |
Families | $65,000 | $74,455 |
Households | $53,750 | $64,745 |
Non Families | $38,125 | $45,663 |
Average Income
Median Household Income
Poverty Rate