Rockbridge Flag

Rockbridge

County:
Greene County
County Seat:
No
Area (mi²):
0.737
State:
Illinois

Rockbridge is a village located in Greene County, Illinois. Rockbridge has a 2026 population of 168. Rockbridge is currently declining at a rate of -1.18% annually and its population has decreased by -6.15% since the most recent census, which recorded a population of 179 in 2020.

The median household income in Rockbridge is $98,125 with a poverty rate of 6.85%. The median age in Rockbridge is 46.5 years: 18 years for males, and 46.9 years for females. For every 100 females there are 124.6 males.

168
Total Population
228
Density (mi²)
-2 -1.18%
Growth

Rockbridge Population

Rockbridge Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026168-2-1.18%
2025170-2-1.16%
2024172-2-1.15%
2023174-1-0.57%
2022175-3-1.69%
2021178-1-0.56%
2020179-1-0.56%
2019156-2-1.27%
2018158-1-0.63%
201715910.63%
2016158-4-2.47%
2015162-1-0.61%
2014163-3-1.81%
201316600%
2012166-3-1.78%
201116900%
201016900%

Median Age

Overall: 46.5 years
Female: 46.9 years
Male: 18 years

Rockbridge Adults

There are 103 adults, (19 of whom are seniors) in Rockbridge.

Sex Ratio

Female: 65 (44.5%)
Male: 81 (55.5%)

Demographics

The racial composition of Rockbridge includes 67.12% White, 28.08% Black or African American, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9867.12%
Black or African American4128.08%
Two or more races42.74%
Other race32.05%
Race
Population ↓
Percentage (of total)
Other race32.05%
Race
Population ↓
Percentage (of total)
White9867.12%
Black or African American4128.08%
Two or more races42.74%

Rockbridge Marital Status

Economics and Income Statistics

Rockbridge 's average per capita income is $44,375. Household income levels show a median of $98,125. The poverty rate stands at 6.85%.

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$115,750-
Families$115,250$103,820
Households$98,125$95,070
Non Families$69,375$67,725

$44,375

Average Income

$98,125

Median Household Income

6.85%

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)