
Cambridge
- County:
- Henry County
- County Seat:
- Yes
- Area (mi²):
- 1.991
- State:
- Illinois
Cambridge is a village located in Henry County, Illinois. Cambridge has a 2025 population of 2,021. It is also the county seat of Henry County. Cambridge is currently declining at a rate of -0.64% annually and its population has decreased by -3.07% since the most recent census, which recorded a population of 2,085 in 2020.
The average household income in Cambridge is $82,098 with a poverty rate of 7.4%. The median age in Cambridge is 35.6 years: 32.6 years for males, and 40.5 years for females.