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, 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	1,274	95.15%
Two or more races	50	3.73%
Black or African American	9	0.67%
Other race	6	0.45%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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