Walnut is located in Pottawattamie County, Iowa. Walnut has a 2025 population of 38,145. Walnut is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Walnut is $153,695 with a poverty rate of 4.59%.The median age in Walnut is 35.3 years: 35.2 years for males, and 35.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Walnut includes 85.08% White, 4.91% Black or African American, 3.31% Asian, and smaller percentages for other race and multiracial populations.
White (85.1%)
Two or more races (5.7%)
Black or African American (4.9%)
Asian (3.3%)
Other race (1.0%)
Race | Population | Percentage (of total) |
---|---|---|
White | 32,453 | 85.08% |
Two or more races | 2,173 | 5.7% |
Black or African American | 1,874 | 4.91% |
Asian | 1,261 | 3.31% |
Other race | 384 | 1.01% |
Married
Widowed
Divorced
Separated
Never Married
Walnut's average per capita income is $72,931. Household income levels show a median of $123,625. The poverty rate stands at 4.59%.
Name | Median | Mean |
---|---|---|
Married Families | $165,062 | - |
Families | $148,886 | $171,920 |
Households | $123,625 | $153,695 |
Non Families | $64,254 | $91,201 |
Average Income
Median Household Income
Poverty Rate