Ottumwa is located in Coffey County, Kansas. Ottumwa has a 2025 population of 712 . Ottumwa is currently growing at a rate of 0.14% annually but its population has decreased by -0.97% since the most recent census, which recorded a population of 719 in 2020.
The average household income in Ottumwa is $114,709 with a poverty rate of 7.98%. The median age in Ottumwa is 48.7 years: 51.9 years for males, and 42.1 years for females. For every 100 females there are 96.5 males.
Data after 2023 is projected based on recent change
The racial composition of Ottumwa includes 94.33% White, and smaller percentages for Native American, other race and multiracial populations.
White (94.33%)
Two or more races (5.32%)
Native American (0.18%)
Other race (0.18%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 532 | 94.33% |
| Two or more races | 30 | 5.32% |
| Native American | 1 | 0.18% |
| Other race | 1 | 0.18% |
Married
Widowed
Divorced
Separated
Never Married
Ottumwa's average per capita income is $65,833. Household income levels show a median of $110,521. The poverty rate stands at 7.98%.
Name | Median | Mean |
|---|---|---|
| Non Families | $129,688 | $125,862 |
| Households | $110,521 | $114,709 |
| Married Families | $105,000 | - |
| Families | $104,375 | $108,816 |
Average Income
Median Household Income
Poverty Rate