Cairnbrook Flag

Cairnbrook

County:
Somerset County
County Seat:
No
Area (mi²):
0.844
State:
Pennsylvania

Cairnbrook is a CDP located in Somerset County, Pennsylvania. Cairnbrook has a 2026 population of 457. Cairnbrook is currently declining at a rate of -0.87% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Cairnbrook is $47,292 with a poverty rate of 15.99%. The median age in Cairnbrook is 36.9 years: 40.5 years for males, and 36.4 years for females. For every 100 females there are 80.6 males.

457
Total Population
541
Density (mi²)
-4 -0.87%
Growth

Cairnbrook Population

Cairnbrook Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026457-4-0.87%
2025461-4-0.86%

Median Age

Overall: 36.9 years
Female: 36.4 years
Male: 40.5 years

Cairnbrook Adults

There are 278 adults, (34 of whom are seniors) in Cairnbrook.

Sex Ratio

Female: 232 (55.4%)
Male: 187 (44.6%)

Demographics

The racial composition of Cairnbrook includes 95.23% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White39995.23%
Two or more races204.77%
Race
Population ↓
Percentage (of total)
White39995.23%
Two or more races204.77%

Cairnbrook Marital Status

Economics and Income Statistics

Cairnbrook 's average per capita income is $41,250. Household income levels show a median of $47,292. The poverty rate stands at 15.99%.

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$88,024-
Families$69,500$70,766
Households$47,292$56,757
Non Families$23,375$28,737

$41,250

Average Income

$47,292

Median Household Income

15.99%

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)