Walnut

County:: Pottawattamie County
County Seat:: No
Area (mi²):: 2.198
State:: Iowa

Walnut is a city located in Pottawattamie County, Iowa. Walnut has a 2025 population of 714. Walnut is currently declining at a rate of -0.7% annually and its population has decreased by -3.64% since the most recent census, which recorded a population of 741 in 2020.

The average household income in Walnut is $76,219 with a poverty rate of 9.75%.The median age in Walnut is 66.6 years: 61.1 years for males, and 71.9 years for females.

Demographics

The racial composition of Walnut includes 95.15% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,274	95.15%
Two or more races	50	3.73%
Black or African American	9	0.67%
Other race	6	0.45%

Walnut Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Walnut's average per capita income is $36,550. Household income levels show a median of $65,278. The poverty rate stands at 9.75%.

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	$89,432	-
Families	$70,000	$101,541
Households	$65,278	$76,219
Non Families	$31,500	$42,047

$36,550

Average Income

$65,278

Median Household Income

9.75%

Poverty Rate