Piatt County, IL Demographics

The total population of Piatt County is estimated to be 16,698 with 8,227 males (49.27%) and 8,471 females (50.73%). There are 244 more females than males in Piatt County.
The median household income in Piatt County was $83,834 in 2021, which marked an an increase of 358(0.43%) from $83,476 in 2020. This income is 112.37% 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, Piatt County sees its highest median household income among householders in the age group of 25 to 44 years old, at $103,430. Overall, the median household income for the county of Piatt County stands at $83,834.
In Piatt County, the median income for all workers aged 15 years and older, regardless of work hours, was $49,799 for males and $34,701 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $65,197 for males and $47,732 for females.
In Piatt County, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $96,201, while White households have a median household income of $83,679.
In 2022, the population of Piatt County was 16,723, a 0.35% decrease year-by-year from 2021. Previously, in 2021, Piatt County's population was 16,781, an increase of 0.64% compared to a population of 16,674 in 2020.
The median age in Piatt County, IL is 41.9, as per 2021 ACS 5-Year Estimates. Of the total population, 18.15% were under the age of 15, 16.45% aged 15 to 29, 45.89% aged 30 to 64, 16.85% aged 65 to 84, and 2.65% were 85 years of age and older.
Racial distribution of Piatt County population: 96.39% are White, 0.64% are Black or African American, 0.10% are American Indian and Alaska Native, 0.03% are Asian, 0.26% are some other race and 2.58% are multiracial.