Ste. Genevieve County's 2026 population is estimated at 18,358, reflecting a -0.51% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Ste. Genevieve County is the 59th largest county in Missouri. The 2010 population was 18,126 and has grown 1.28% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.3 years
Female: 45.1 years
Male: 41.9 years
There are 14,598 adults, (3,985 of whom are seniors) in Ste. Genevieve County.
Female: 8,938 (48.1%)
Male: 9,633 (51.9%)
The racial composition of Ste. Genevieve County includes 93.94% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,445 | 93.94% |
| Two or more races | 803 | 4.32% |
| Black or African American | 227 | 1.22% |
| Other race | 70 | 0.38% |
| Native American | 17 | 0.09% |
| Asian | 9 | 0.05% |
Ste. Genevieve County 's average per capita income is $43,281. Household income levels show a median of $66,339. The poverty rate stands at 8.15%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,115 | - |
| Families | $90,313 | $105,723 |
| Households | $66,339 | $89,259 |
| Non Families | $37,611 | $49,626 |
Average Income
Median Household Income
Poverty Rate