Rubicon Flag

Rubicon

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

Rubicon is located in Greene County, Illinois. Rubicon has a 2025 population of 281 . Rubicon is currently declining at a rate of -1.06% annually and its population has decreased by -5.07% since the most recent census, which recorded a population of 296 in 2020.

The average household income in Rubicon is $104,338 with a poverty rate of 22.51%. The median age in Rubicon is 31.7 years: 41.6 years for males, and 29 years for females. For every 100 females there are 61.0 males.

281
Total Population
8
Density (mi²)
-3 -1.06%
Growth

Rubicon Population

Rubicon Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rubicon includes 99.62% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (99.62%)

Native American (0.38%)

Race
Population
Percentage (of total)
White53199.62%
Native American20.38%

Rubicon Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rubicon's average per capita income is $46,667. Household income levels show a median of $66,827. The poverty rate stands at 22.51%.

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$70,625$110,954
Married Families$70,625-
Households$66,827$104,338
Non Families$46,042$87,587

$46,667

Average Income

$66,827

Median Household Income

22.51%

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)