Manchester
- County:
- Scott County
- County Seat:
- No
- Area (mi²):
- 1.063
- State:
- Illinois
Manchester is a village located in Scott County, Illinois. Manchester has a 2026 population of 261. Manchester is currently declining at a rate of 0% annually and its population has decreased by -4.4% since the most recent census, which recorded a population of 273 in 2020.
The median household income in Manchester is $81,875 with a poverty rate of 5.08%. The median age in Manchester is 54.4 years: 57.1 years for males, and 52.5 years for females. For every 100 females there are 97.0 males.