Greene County, IL Demographics

The total population of Greene County is estimated to be 12,015 with 6,050 males (50.35%) and 5,965 females (49.65%). There are 85 less females than males in Greene County.
The median household income in Greene County was $58,831 in 2021, which marked an an increase of 195(0.33%) from $58,636 in 2020. This income is 78.86% 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, Greene County sees its highest median household income among householders in the age group of 45 to 64 years old, at $69,476. Overall, the median household income for the county of Greene County stands at $58,831.
In Greene County, the median income for all workers aged 15 years and older, regardless of work hours, was $39,334 for males and $25,092 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $57,278 for males and $37,728 for females.
In Greene County, there are just two different racial groups among households. Among these, American Indian and Alaska Native households report a median household income of $68,008, while White households have a median household income of $58,967.
In 2022, the population of Greene County was 11,651, a 1.69% decrease year-by-year from 2021. Previously, in 2021, Greene County's population was 11,851, a decline of 0.71% compared to a population of 11,936 in 2020.
The median age in Greene County, IL is 42.0, as per 2021 ACS 5-Year Estimates. Of the total population, 17.44% were under the age of 15, 17.83% aged 15 to 29, 45.48% aged 30 to 64, 17.23% aged 65 to 84, and 2.02% were 85 years of age and older.
Racial distribution of Greene County population: 96.16% are White, 1.22% are Black or African American, 0.07% are American Indian and Alaska Native, 0.22% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 0.47% are some other race and 1.84% are multiracial.