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The total population of Polk County is estimated to be 31,877 with 15,732 males (49.35%) and 16,145 females (50.65%). There are 413 more females than males in Polk County.
The median household income in Polk County was $55,008 in 2021, which marked an an increase of 1,055(1.96%) from $53,953 in 2020. This income is 73.73% 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 $67,335. Overall, the median household income for the county of Polk County stands at $55,008.
In Polk County, the median income for all workers aged 15 years and older, regardless of work hours, was $33,022 for males and $21,109 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $50,510 for males and $43,505 for females.
In Polk County, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $66,206, while White households have a median household income of $54,446.
In 2022, the population of Polk County was 32,693, a 1.88% increase year-by-year from 2021. Previously, in 2021, Polk County's population was 32,089, an increase of 1.51% compared to a population of 31,612 in 2020.
The median age in Polk County, MO is 38.2, as per 2021 ACS 5-Year Estimates. Of the total population, 19.09% were under the age of 15, 21.71% aged 15 to 29, 41.72% aged 30 to 64, 15.12% aged 65 to 84, and 2.37% were 85 years of age and older.
Racial distribution of Polk County population: 93.25% are White, 1.28% are Black or African American, 0.55% are American Indian and Alaska Native, 0.37% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 0.75% are some other race and 3.73% are multiracial.