Polk County, FL Demographics

The total population of Polk County is estimated to be 736,229 with 363,269 males (49.34%) and 372,960 females (50.66%). There are 9,691 more females than males in Polk County.
The median household income in Polk County was $59,557 in 2021, which marked an an increase of 1,161(1.99%) from $58,396 in 2020. This income is 79.83% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Polk County sees its highest median household income among householders in the age group of 45 to 64 years old, at $74,177. Overall, the median household income for the county of Polk County stands at $62,051.
In Polk County, the median income for all workers aged 15 years and older, regardless of work hours, was $38,212 for males and $26,235 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $49,021 for males and $41,348 for females.
In Polk County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, White households have the highest median household income at $67,580, while Black or African American households represent the opposite end with the lowest median household income of $44,262.
In 2022, the population of Polk County was 787,404, a 4.27% increase year-by-year from 2021. Previously, in 2021, Polk County's population was 755,179, an increase of 3.43% compared to a population of 730,111 in 2020.
The median age in Polk County, FL is 40.1, as per 2021 ACS 5-Year Estimates. Of the total population, 18.37% were under the age of 15, 18.81% aged 15 to 29, 42.95% aged 30 to 64, 17.63% aged 65 to 84, and 2.23% were 85 years of age and older.
Racial distribution of Polk County population: 68.51% are White, 15.03% are Black or African American, 0.32% are American Indian and Alaska Native, 1.72% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 7.25% are some other race and 7.13% are multiracial.