Monroe County, IL Demographics

The total population of Monroe County is estimated to be 34,905 with 17,530 males (50.22%) and 17,375 females (49.78%). There are 155 less females than males in Monroe County.
The median household income in Monroe County was $100,471 in 2021, which marked an a decrease of 1,113(1.10%) from $101,584 in 2020. This income is 134.67% 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, Monroe County sees its highest median household income among householders in the age group of 45 to 64 years old, at $119,469. Overall, the median household income for the county of Monroe County stands at $100,471.
In Monroe County, the median income for all workers aged 15 years and older, regardless of work hours, was $58,118 for males and $40,270 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $73,078 for males and $60,357 for females.
In Monroe County, there are just three different racial groups among households. Among these, White households report a median household income of $101,100, followed by Two or More Races households at $96,170, and Asian households with a median household income of $47,090.
In 2022, the population of Monroe County was 35,033, a 0.11% increase year-by-year from 2021. Previously, in 2021, Monroe County's population was 34,993, an increase of 0.12% compared to a population of 34,952 in 2020.
The median age in Monroe County, IL is 42.3, as per 2021 ACS 5-Year Estimates. Of the total population, 18.36% were under the age of 15, 15.67% aged 15 to 29, 48.23% aged 30 to 64, 15.15% aged 65 to 84, and 2.58% were 85 years of age and older.
Racial distribution of Monroe County population: 96.94% are White, 0.22% are Black or African American, 0.15% are American Indian and Alaska Native, 0.92% are Asian, 0.66% are some other race and 1.12% are multiracial.