Seneca Flag

Seneca

County:
Oconee County
County Seat:
No
Area (mi²):
8.243

Seneca is a city located in Oconee County, South Carolina. Seneca has a 2025 population of 9,167. Seneca is currently growing at a rate of 0.68% annually and its population has increased by 3.51% since the most recent census, which recorded a population of 8,856 in 2020.

The average household income in Seneca is $71,502 with a poverty rate of 18.82%.The median age in Seneca is 39.9 years: 39 years for males, and 40.2 years for females.

9.2K
Total Population
1,112
Density (mi²)
62 0.68%
Growth

Seneca Population

Seneca Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seneca includes 71.85% White, 18.52% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

White (71.9%)

Black or African American (18.5%)

Two or more races (5.9%)

Other race (2.9%)

Asian (0.7%)

Native American (0.2%)

Race
Population
Percentage (of total)
White6,40271.85%
Black or African American1,65018.52%
Two or more races5235.87%
Other race2602.92%
Asian580.65%
Native American170.19%

Seneca Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seneca's average per capita income is $33,189. Household income levels show a median of $52,207. The poverty rate stands at 18.82%.

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$100,852-
Families$72,292$85,855
Households$52,207$71,502
Non Families$40,841$47,190

$33,189

Average Income

$52,207

Median Household Income

18.82%

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)