Greenbush Flag

Greenbush

County:
Warren County
County Seat:
No
Area (mi²):
35.526
State:
Illinois

Greenbush is located in Warren County, Illinois. Greenbush has a 2025 population of 507. Greenbush is currently declining at a rate of -0.98% annually and its population has decreased by -5.41% since the most recent census, which recorded a population of 536 in 2020.

The average household income in Greenbush is $86,588 with a poverty rate of 9.61%.The median age in Greenbush is 59.4 years: 52.5 years for males, and 62.5 years for females.

507
Total Population
14
Density (mi²)
-5 -0.98%
Growth

Greenbush Population

Greenbush Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Greenbush includes 95.45% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (95.5%)

Two or more races (3.9%)

Black or African American (0.7%)

Race
Population
Percentage (of total)
White56695.45%
Two or more races233.88%
Black or African American40.67%

Greenbush Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greenbush's average per capita income is $34,792. Household income levels show a median of $64,375. The poverty rate stands at 9.61%.

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
Married Families$105,703-
Families$105,078$94,400
Households$64,375$86,588
Non Families$41,938$65,237

$34,792

Average Income

$64,375

Median Household Income

9.61%

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)