Rubicon township Flag

Rubicon township

County:
Greene County
County Seat:
No
Area (mi²):
35.67
State:
Illinois

Rubicon township is located in Greene County, Illinois. Rubicon township has a 2026 population of 278. Rubicon township is currently declining at a rate of -1.07% annually and its population has decreased by -6.08% since the most recent census, which recorded a population of 296 in 2020.

The median household income in Rubicon township is $67,679 with a poverty rate of 24.89%. The median age in Rubicon township is 38.2 years: 41.6 years for males, and 29.7 years for females. For every 100 females there are 61.2 males.

278
Total Population
7.8
Density (mi²)
-3 -1.07%
Growth

Rubicon township Population

Rubicon township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026278-3-1.07%
2025281-3-1.06%
2024284-3-1.05%
2023287-2-0.69%
2022289-5-1.7%
2021294-2-0.68%
2020296-1-0.34%
2019319-3-0.93%
2018322-3-0.92%
201732510.31%
2016324-6-1.82%
2015330-4-1.2%
2014334-5-1.47%
201333900%
2012339-5-1.45%
2011344-1-0.29%
201034500%

Median Age

Overall: 38.2 years
Female: 29.7 years
Male: 41.6 years

Rubicon township Adults

There are 299 adults, (42 of whom are seniors) in Rubicon township.

Sex Ratio

Female: 289 (62%)
Male: 177 (38%)

Demographics

The racial composition of Rubicon township includes 98.28% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White45898.28%
Native American81.72%
Race
Population ↓
Percentage (of total)
White45898.28%
Native American81.72%

Rubicon township Marital Status

Economics and Income Statistics

Rubicon township 's average per capita income is $43,750. Household income levels show a median of $67,679. The poverty rate stands at 24.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$74,063$110,674
Married Families$74,063-
Households$67,679$87,898
Non Families$41,458$38,629

$43,750

Average Income

$67,679

Median Household Income

24.89%

Poverty Rate

Nearby Cities

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)