Gladstone
- County:
- Henderson County
- County Seat:
- No
- Area (mi²):
- 0.36
- State:
- Illinois
Gladstone is a village located in Henderson County, Illinois. Gladstone has a 2026 population of 221. Gladstone is currently declining at a rate of -0.9% annually and its population has decreased by -4.74% since the most recent census, which recorded a population of 232 in 2020.
The median household income in Gladstone is $50,000 with a poverty rate of 10.13%. The median age in Gladstone is 57.8 years: 57.9 years for males, and 57.7 years for females. For every 100 females there are 74.3 males.