Copiah County's 2026 population is estimated at 27,134, reflecting a -0.74% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Copiah County is the 32nd largest county in Mississippi. The 2010 population was 29,436 and has grown -7.82% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 42.1 years
Male: 37.6 years
There are 21,602 adults, (5,315 of whom are seniors) in Copiah County.
Female: 14,449 (51.9%)
Male: 13,406 (48.1%)
The racial composition of Copiah County includes 50.55% Black or African American, 43.11% White, 4.01% other race, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Black or African American | 14,080 | 50.55% |
| White | 12,008 | 43.11% |
| Other race | 1,117 | 4.01% |
| Two or more races | 556 | 2% |
| Asian | 82 | 0.29% |
| Native American | 12 | 0.04% |
Copiah County 's average per capita income is $38,902. Household income levels show a median of $49,089. The poverty rate stands at 22.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,046 | - |
| Families | $59,236 | $94,019 |
| Households | $49,089 | $78,358 |
| Non Families | $22,785 | $35,594 |
Average Income
Median Household Income
Poverty Rate