
Harvard
- County:
- McHenry County
- County Seat:
- No
- Area (mi²):
- 8.377
- State:
- Illinois
Harvard is a city located in McHenry County, Illinois. Harvard has a 2025 population of 9,290. Harvard is currently declining at a rate of -0.35% annually and its population has decreased by -1.75% since the most recent census, which recorded a population of 9,455 in 2020.
The average household income in Harvard is $81,035 with a poverty rate of 11.53%. The median age in Harvard is 30.5 years: 31.7 years for males, and 28 years for females.