Omaha
- County:
- Gallatin County
- County Seat:
- No
- Area (mi²):
- 0.744
- State:
- Illinois
Omaha is a village located in Gallatin County, Illinois. Omaha has a 2026 population of 206. Omaha is currently declining at a rate of -0.48% annually and its population has decreased by -5.07% since the most recent census, which recorded a population of 217 in 2020.
The median household income in Omaha is $57,321 with a poverty rate of 21.64%. The median age in Omaha is 47.7 years: 47.1 years for males, and 47.9 years for females. For every 100 females there are 108.5 males.