
Gladstone
- County:
- Delta County
- County Seat:
- No
- Area (mi²):
- 5.066
- State:
- Michigan
Gladstone is a city located in Delta County, Michigan. Gladstone has a 2025 population of 5,226. Gladstone is currently declining at a rate of -0.1% annually and its population has decreased by -0.51% since the most recent census, which recorded a population of 5,253 in 2020.
The average household income in Gladstone is $71,451 with a poverty rate of 14.16%. The median age in Gladstone is 41.5 years: 41.3 years for males, and 42 years for females.