Buffalo Grove, IL
Population 42,824 · Illinois
About Buffalo Grove, IL
Buffalo Grove is a mid-sized city in Illinois with a population of 42,824 residents. The median household income is $129,820 per year, which is above the national average. The median age in Buffalo Grove is 42.1 years.
Housing in Buffalo Grove has a median home value of $392,900 and median monthly rent of $2,042. Of the 16,567 total housing units, the majority are owner-occupied, with 13,097 owner-occupied and 2,971 renter-occupied units.
The unemployment rate in Buffalo Grove is 2.5% and the poverty rate is 6.5%. 66.6% of residents hold a bachelor's degree or higher. The average commute time is 27.5 minutes.
How Buffalo Grove Ranks in Illinois
Cost of Living in Buffalo Grove, IL
Compared to national averages, Buffalo Grove has a median household income of $129,820 (73% above the national median of $75,149). Home values average $392,900, which is 60% above the national median. Monthly rent at $2,042 is 76% above the US average of $1,163. Within Illinois, Buffalo Grove's income is 73% above the state average of $75,072, and home values are 137% above the state median of $165,779.
Why Live in Buffalo Grove, IL?
Buffalo Grove offers a strong local economy with a median household income of $129,820, well above the national average, and a strong job market with an unemployment rate of just 2.5%, and a well-educated community where 66.6% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 6.5%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $392,900. However, Buffalo Grove’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Buffalo Grove has a population of 42,824 with a median age of 42.1 years. Compare Buffalo Grove with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Buffalo Grove
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Moline | 42,235 | $63,959 | $141,900 | Compare |
| Lombard | 43,722 | $97,253 | $321,200 | Compare |
| Belleville | 41,722 | $60,529 | $131,000 | Compare |
| Romeoville | 40,996 | $100,022 | $245,200 | Compare |
| Bartlett | 40,531 | $130,479 | $350,500 | Compare |
| DeKalb | 40,464 | $46,564 | $202,900 | Compare |
| Crystal Lake | 40,436 | $105,428 | $287,400 | Compare |
| Elmhurst | 45,538 | $145,374 | $532,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Buffalo Grove
What is the population of Buffalo Grove, IL?
The population of Buffalo Grove, IL is 42,824 according to the latest Census data.
What is the median household income in Buffalo Grove?
The median household income in Buffalo Grove, IL is $129,820 per year.
What is the median home value in Buffalo Grove?
The median home value in Buffalo Grove, IL is $392,900.
What is the average rent in Buffalo Grove?
The median monthly rent in Buffalo Grove, IL is $2,042.
What is the unemployment rate in Buffalo Grove?
The unemployment rate in Buffalo Grove, IL is 2.5%.