Cooper County's 2026 population is estimated at 17,514, reflecting a 1.13% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cooper County is the 63rd largest county in Missouri. The 2010 population was 17,601 and has grown -0.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.5 years
Female: 42.6 years
Male: 39.3 years
There are 13,074 adults, (3,334 of whom are seniors) in Cooper County.
Female: 8,344 (49.6%)
Male: 8,480 (50.4%)
The racial composition of Cooper County includes 88.15% White, 5.62% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 14,831 | 88.15% |
| Two or more races | 955 | 5.68% |
| Black or African American | 945 | 5.62% |
| Other race | 55 | 0.33% |
| Asian | 21 | 0.12% |
| Native American | 17 | 0.1% |
Cooper County 's average per capita income is $44,568. Household income levels show a median of $70,625. The poverty rate stands at 11.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $96,361 | $104,481 |
| Families | $88,521 | $93,855 |
| Households | $70,625 | $81,395 |
| Non Families | $40,177 | $47,753 |
Average Income
Median Household Income
Poverty Rate