Polk County's 2026 population is estimated at 898,146, reflecting a 2.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Polk County is the 8th largest county in Florida. The 2010 population was 603,119 and has grown 48.92% since 2010.
Overall: 39.5 years
Female: 40.5 years
Male: 38.4 years
There are 616,747 adults, (154,193 of whom are seniors) in Polk County.
Female: 400,821 (50.7%)
Male: 389,873 (49.3%)
The racial composition of Polk County includes 55.46% White, 14.57% Black or African American, 13.57% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 438,493 | 55.46% |
| Black or African American | 115,178 | 14.57% |
| Two or more races | 111,627 | 14.12% |
| Other race | 107,305 | 13.57% |
| Asian | 14,302 | 1.81% |
| Native American | 3,459 | 0.44% |
| Native Hawaiian or Pacific Islander | 330 | 0.04% |
Polk County 's average per capita income is $43,179. Household income levels show a median of $65,978. The poverty rate stands at 14.47%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $88,486 | $112,910 |
| Families | $76,474 | $98,404 |
| Households | $65,978 | $87,487 |
| Non Families | $42,048 | $57,278 |
Average Income
Median Household Income
Poverty Rate
