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The total population of Polk County is estimated to be 17,620 with 8,836 males (50.15%) and 8,784 females (49.85%). There are 52 less females than males in Polk County.
The median household income in Polk County was $53,447 in 2021, which marked an an increase of 2,086(4.06%) from $51,361 in 2020. This income is 71.64% 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 25 to 44 years old, at $69,350. Overall, the median household income for the county of Polk County stands at $53,447.
In Polk County, the median income for all workers aged 15 years and older, regardless of work hours, was $34,534 for males and $20,412 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $49,320 for males and $39,106 for females.
In Polk County, population is primarily represented by White households, reporting a median income of $53,085.
In 2022, the population of Polk County was 17,863, a 0.44% increase year-by-year from 2021. Previously, in 2021, Polk County's population was 17,784, an increase of 1.23% compared to a population of 17,568 in 2020.
The median age in Polk County, TN is 46.1, as per 2021 ACS 5-Year Estimates. Of the total population, 15.46% were under the age of 15, 16.33% aged 15 to 29, 47.49% aged 30 to 64, 19.04% aged 65 to 84, and 1.69% were 85 years of age and older.
Racial distribution of Polk County population: 93.13% are White, 0.87% are Black or African American, 0.25% are American Indian and Alaska Native, 0.19% are Asian, 0.48% are some other race and 5.09% are multiracial.