Walnut is located in Adair County, Missouri. Walnut has a 2025 population of 174 . 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 $63,028 with a poverty rate of 0%. The median age in Walnut is 56.1 years: 64.4 years for males, and 50.1 years for females. For every 100 females there are 67.3 males.
Data after 2023 is projected based on recent change
The racial composition of Walnut includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 174 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Walnut's average per capita income is $2,499. Household income levels show a median of $41,319. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $42,014 | $70,656 |
| Married Families | $42,014 | - |
| Households | $41,319 | $63,028 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate