Thornbury Flag

Thornbury

County:
Chester County
County Seat:
No
Area (mi²):
3.833
State:
Pennsylvania

Thornbury is located in Chester County, Pennsylvania. Thornbury has a 2025 population of 3,206 . Thornbury is currently growing at a rate of 0.44% annually and its population has increased by 0.88% since the most recent census, which recorded a population of 3,178 in 2020.

The average household income in Thornbury is $229,172 with a poverty rate of 4.84%. The median age in Thornbury is 42.9 years: 43.2 years for males, and 40.8 years for females. For every 100 females there are 103.0 males.

3.2K
Total Population
836
Density (mi²)
14 0.44%
Growth

Thornbury Population

Thornbury Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Thornbury includes 78.18% White, 10.56% Asian, 6.22% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

White (78.18%)

Asian (10.56%)

Black or African American (6.22%)

Two or more races (5.03%)

Race
Population
Percentage (of total)
White2,48778.18%
Asian33610.56%
Black or African American1986.22%
Two or more races1605.03%

Thornbury Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Thornbury's average per capita income is $102,292. Household income levels show a median of $177,708. The poverty rate stands at 4.84%.

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$194,848-
Families$194,205$242,251
Households$177,708$229,172
Non Families$106,154$181,228

$102,292

Average Income

$177,708

Median Household Income

4.84%

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)