Illinois Cook County Lake County
Buffalo Grove
A village in Cook County, Illinois — population 40,161 as of 2020.
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Today
79°F
Sunny then Slight Chance Showers And Thunderstorms22% precip
Tonight
59°F
Slight Chance Showers And Thunderstorms then Mostly Clear21% precip
Sunday
75°F
Sunny
Sunday Night
55°F
Mostly Clear
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Buffalo Grove by the numbers
Population
40,161Population figure, 2020
Households & income
- Area
- 9.56 sq mi (24.75 km²), 0.02 sq mi water
- Median age
- 42
- Households
- 16,213
- Persons per household
- 2.6
- Median household income
- $129,395
- Median house value
- $412,300
Municipal office
- Office
- FINANCE DIRECTOR
- Address
- 50 RAUPP BLVD, BUFFALO GROVE, IL 60089