McLean County, IL Demographics

The total population of McLean County is estimated to be 171,284 with 83,922 males (49.00%) and 87,362 females (51.00%). There are 3,440 more females than males in McLean County.
The median household income in McLean County was $76,030 in 2021, which marked an a decrease of 1,066(1.38%) from $77,096 in 2020. This income is 101.91% 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, McLean County sees its highest median household income among householders in the age group of 45 to 64 years old, at $94,126. Overall, the median household income for the county of McLean County stands at $70,674.
In McLean County, the median income for all workers aged 15 years and older, regardless of work hours, was $47,656 for males and $31,322 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $64,636 for males and $56,036 for females.
In McLean County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $169,195, while Black or African American households represent the opposite end with the lowest median household income of $24,804.
In 2022, the population of McLean County was 171,141, a 0.03% decrease year-by-year from 2021. Previously, in 2021, McLean County's population was 171,190, an increase of 0.14% compared to a population of 170,954 in 2020.
The median age in McLean County, IL is 33.6, as per 2021 ACS 5-Year Estimates. Of the total population, 17.83% were under the age of 15, 27.66% aged 15 to 29, 41.16% aged 30 to 64, 11.80% aged 65 to 84, and 1.55% were 85 years of age and older.
Racial distribution of McLean County population: 81.89% are White, 8.29% are Black or African American, 0.16% are American Indian and Alaska Native, 5.14% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 0.88% are some other race and 3.63% are multiracial.