Moniteau County's 2026 population is estimated at 15,392, reflecting a 0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Moniteau County is the 66th largest county in Missouri. The 2010 population was 15,630 and has grown -1.52% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.4 years
Female: 39.5 years
Male: 37.5 years
There are 11,385 adults, (2,550 of whom are seniors) in Moniteau County.
Female: 7,373 (48.3%)
Male: 7,889 (51.7%)
The racial composition of Moniteau County includes 89.4% White, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 13,644 | 89.4% |
| Two or more races | 939 | 6.15% |
| Black or African American | 342 | 2.24% |
| Other race | 245 | 1.61% |
| Asian | 72 | 0.47% |
| Native Hawaiian or Pacific Islander | 17 | 0.11% |
| Native American | 3 | 0.02% |
Moniteau County 's average per capita income is $43,881. Household income levels show a median of $65,715. The poverty rate stands at 10.29%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $89,538 | - |
| Families | $80,855 | $94,279 |
| Households | $65,715 | $80,840 |
| Non Families | $34,781 | $47,799 |
Average Income
Median Household Income
Poverty Rate