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The total population of Knox County is estimated to be 49,751 with 25,294 males (50.84%) and 24,457 females (49.16%). There are 837 less females than males in Knox County.
The median household income in Knox County was $49,715 in 2021, which marked an a decrease of 669(1.33%) from $50,384 in 2020. This income is 66.64% 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, Knox County sees its highest median household income among householders in the age group of 45 to 64 years old, at $68,282. Overall, the median household income for the county of Knox County stands at $49,715.
In Knox County, the median income for all workers aged 15 years and older, regardless of work hours, was $35,356 for males and $23,596 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $52,716 for males and $42,433 for females.
In Knox County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, White households have the highest median household income at $52,204, while Black or African American households represent the opposite end with the lowest median household income of $22,162.
In 2022, the population of Knox County was 48,640, a 1.43% decrease year-by-year from 2021. Previously, in 2021, Knox County's population was 49,347, a decline of 0.91% compared to a population of 49,799 in 2020.
The median age in Knox County, IL is 41.8, as per 2021 ACS 5-Year Estimates. Of the total population, 16.52% were under the age of 15, 19.47% aged 15 to 29, 42.69% aged 30 to 64, 18.88% aged 65 to 84, and 2.44% were 85 years of age and older.
Racial distribution of Knox County population: 84.82% are White, 8.80% are Black or African American, 0.09% are American Indian and Alaska Native, 1.03% are Asian, 1.88% are some other race and 3.37% are multiracial.