McDonough County, IL Demographics

The total population of McDonough County is estimated to be 27,370 with 13,336 males (48.72%) and 14,034 females (51.28%). There are 698 more females than males in McDonough County.
The median household income in McDonough County was $49,402 in 2021, which marked an an increase of 7(0.01%) from $49,395 in 2020. This income is 66.22% 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, McDonough County sees its highest median household income among householders in the age group of 45 to 64 years old, at $68,366. Overall, the median household income for the county of McDonough County stands at $49,402.
In McDonough County, the median income for all workers aged 15 years and older, regardless of work hours, was $30,596 for males and $20,287 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,470 for males and $39,644 for females.
In McDonough County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Asian households have the highest median household income at $124,469, while Some Other Race households represent the opposite end with the lowest median household income of $2,701.
In 2022, the population of McDonough County was 26,861, a 0.05% increase year-by-year from 2021. Previously, in 2021, McDonough County's population was 26,848, a decline of 0.92% compared to a population of 27,097 in 2020.
The median age in McDonough County, IL is 33.7, as per 2021 ACS 5-Year Estimates. Of the total population, 14.45% were under the age of 15, 31.51% aged 15 to 29, 36.35% aged 30 to 64, 14.61% aged 65 to 84, and 3.09% were 85 years of age and older.
Racial distribution of McDonough County population: 88.44% are White, 5.24% are Black or African American, 0.05% are American Indian and Alaska Native, 2.54% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 0.52% are some other race and 3.17% are multiracial.