Greene County's 2026 population is estimated at 311,398, reflecting a 0.68% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Greene County is the 4th largest county in Missouri. The 2010 population was 275,320 and has grown 13.1% since 2010.
Overall: 36.4 years
Female: 37.4 years
Male: 35.4 years
There are 240,250 adults, (52,036 of whom are seniors) in Greene County.
Female: 154,833 (51%)
Male: 148,542 (49%)
The racial composition of Greene County includes 85.82% White, 3.03% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 260,352 | 85.82% |
| Two or more races | 20,817 | 6.86% |
| Black or African American | 9,184 | 3.03% |
| Asian | 5,902 | 1.95% |
| Other race | 5,766 | 1.9% |
| Native American | 866 | 0.29% |
| Native Hawaiian or Pacific Islander | 488 | 0.16% |
Greene County 's average per capita income is $44,732. Household income levels show a median of $61,479. The poverty rate stands at 13.65%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,113 | $120,274 |
| Families | $81,425 | $105,747 |
| Households | $61,479 | $84,469 |
| Non Families | $37,849 | $52,617 |
Average Income
Median Household Income
Poverty Rate