Nodaway County's 2026 population is estimated at 20,123, reflecting a -0.94% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Nodaway County is the 55th largest county in Missouri. The 2010 population was 23,402 and has grown -14.01% since 2010.
Data after 2023 is projected based on recent change
Overall: 33.7 years
Female: 34.8 years
Male: 33.1 years
There are 17,244 adults, (3,701 of whom are seniors) in Nodaway County.
Female: 10,411 (50.1%)
Male: 10,363 (49.9%)
The racial composition of Nodaway County includes 92.06% White, and smaller percentages for Two or more races, Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 19,125 | 92.06% |
| Two or more races | 514 | 2.47% |
| Black or African American | 439 | 2.11% |
| Asian | 341 | 1.64% |
| Other race | 292 | 1.41% |
| Native American | 58 | 0.28% |
| Native Hawaiian or Pacific Islander | 5 | 0.02% |
Nodaway County 's average per capita income is $46,318. Household income levels show a median of $59,315. The poverty rate stands at 17.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,866 | - |
| Families | $84,088 | $96,747 |
| Households | $59,315 | $74,940 |
| Non Families | $33,842 | $45,465 |
Average Income
Median Household Income
Poverty Rate
