Omaha township Flag

Omaha township

County:
Gallatin County
County Seat:
No
Area (mi²):
18.603
State:
Illinois

Omaha township is located in Gallatin County, Illinois. Omaha township has a 2026 population of 386. Omaha township is currently declining at a rate of -1.03% annually and its population has decreased by -7.66% since the most recent census, which recorded a population of 418 in 2020.

The median age in Omaha township is 37.6 years: 30.5 years for males, and 42.5 years for females. For every 100 females there are 114.5 males.

386
Total Population
21
Density (mi²)
-4 -1.03%
Growth

Omaha township Population

Omaha township Population

Year ↓
Population
Growth
Annual Change
2026386-4-1.03%
2025390-4-1.02%
2024394-2-0.51%
2023396-11-2.7%
2022407-8-1.93%
2021415-3-0.72%
2020418-1-0.24%
2019428-21-4.68%
2018449-3-0.66%
2017452-8-1.74%
2016460-5-1.08%
2015465-6-1.27%
2014471-10-2.08%
2013481-1-0.21%
2012482-8-1.63%
2011490-9-1.8%
2010497-2-0.4%

Median Age

Overall: 37.6 years
Female: 42.5 years
Male: 30.5 years

Omaha township Adults

There are 274 adults, (67 of whom are seniors) in Omaha township.

Sex Ratio

Female: 172 (46.6%)
Male: 197 (53.4%)

Demographics

The racial composition of Omaha township includes 93.5% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White34593.5%
Two or more races246.5%
Race
Population ↓
Percentage (of total)
White34593.5%
Two or more races246.5%

Omaha township Marital Status

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)