Seneca

County:: Oconee County
County Seat:: No
Area (mi²):: 8.243
State:: South Carolina

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.

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

Race	Population	Percentage (of total)
White	6,402	71.85%
Black or African American	1,650	18.52%
Two or more races	523	5.87%
Other race	260	2.92%
Asian	58	0.65%
Native American	17	0.19%

Seneca Marital Status

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