
Gilliam
- County:
- Saline County
- County Seat:
- No
- Area (mi²):
- 0.248
- State:
- Missouri
Gilliam is a city located in Saline County, Missouri. Gilliam has a 2025 population of 173. Gilliam is currently declining at a rate of -0.57% annually and its population has decreased by -2.26% since the most recent census, which recorded a population of 177 in 2020.
The average household income in Gilliam is $48,688 with a poverty rate of 24.15%. The median age in Gilliam is 30.5 years: 22.6 years for males, and 33 years for females.