Buffalo Grove, IL Demographics

The total population of Buffalo Grove is estimated to be 42,934 with 20,611 males (48.01%) and 22,323 females (51.99%). There are 1,712 more females than males in Buffalo Grove.
The median household income in Buffalo Grove was $131,020 in 2021, which marked an a decrease of 2,601(1.95%) from $133,621 in 2020. This income is 175.62% 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, Buffalo Grove sees its highest median household income among householders in the age group of 45 to 64 years old, at $158,117. Overall, the median household income for the village of Buffalo Grove stands at $131,020.
In Buffalo Grove, the median income for all workers aged 15 years and older, regardless of work hours, was $85,698 for males and $48,747 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $109,697 for males and $80,798 for females.
In Buffalo Grove, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $144,750, while Black or African American households represent the opposite end with the lowest median household income of $2,701.
In 2022, the population of Buffalo Grove was 42,569, a 0.58% decrease year-by-year from 2021. Previously, in 2021, Buffalo Grove's population was 42,818, a decline of 0.64% compared to a population of 43,092 in 2020.
The median age in Buffalo Grove, IL is 41.2, as per 2021 ACS 5-Year Estimates. Of the total population, 18.79% were under the age of 15, 16.90% aged 15 to 29, 50.30% aged 30 to 64, 12.22% aged 65 to 84, and 1.79% were 85 years of age and older.
Racial distribution of Buffalo Grove population: 67.36% are White, 3.25% are Black or African American, 0.26% are American Indian and Alaska Native, 24.01% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 1.76% are some other race and 3.29% are multiracial.