Walnut Grove is a city located in Greene County, Missouri. Walnut Grove has a 2025 population of 640 . Walnut Grove is currently declining at a rate of -0.31% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 648 in 2020.
The average household income in Walnut Grove is $52,883 with a poverty rate of 17%. The median age in Walnut Grove is 46.6 years: 43.5 years for males, and 48.3 years for females. For every 100 females there are 93.8 males.
Data after 2023 is projected based on recent change
The racial composition of Walnut Grove includes 93.82% White, and smaller percentages for other race, Native American and multiracial populations.
White (93.82%)
Two or more races (4.77%)
Other race (0.88%)
Native American (0.53%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 531 | 93.82% |
| Two or more races | 27 | 4.77% |
| Other race | 5 | 0.88% |
| Native American | 3 | 0.53% |
Married
Widowed
Divorced
Separated
Never Married
Walnut Grove's average per capita income is $36,458. Household income levels show a median of $45,357. The poverty rate stands at 17%.
Name | Median | Mean |
|---|---|---|
| Married Families | $60,903 | - |
| Families | $56,429 | $68,148 |
| Households | $45,357 | $52,883 |
| Non Families | $20,357 | $24,692 |
Average Income
Median Household Income
Poverty Rate