South Buffalo Flag

South Buffalo

County Seat:
No
Area (mi²):
27.255
State:
Pennsylvania

South Buffalo is located in Armstrong County, Pennsylvania. South Buffalo has a 2025 population of 2,648 . South Buffalo is currently declining at a rate of -0.45% annually and its population has decreased by -2.32% since the most recent census, which recorded a population of 2,711 in 2020.

The average household income in South Buffalo is $107,942 with a poverty rate of 5.33%. The median age in South Buffalo is 49.5 years: 50 years for males, and 49.2 years for females. For every 100 females there are 98.6 males.

2.6K
Total Population
97
Density (mi²)
-12 -0.45%
Growth

South Buffalo Population

South Buffalo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Buffalo includes 98.96% White, and smaller percentages for Two or more races, Black or African American and multiracial populations.

Population by Race

White (98.96%)

Two or more races (0.63%)

Black or African American (0.41%)

Race
Population
Percentage (of total)
White2,66998.96%
Two or more races170.63%
Black or African American110.41%

South Buffalo Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Buffalo's average per capita income is $52,406. Household income levels show a median of $87,132. The poverty rate stands at 5.33%.

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$120,724-
Families$100,357$117,714
Households$87,132$107,942
Non Families$65,625$70,227

$52,406

Average Income

$87,132

Median Household Income

5.33%

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)