Seneca Flag

Seneca

County:
Oconee County
County Seat:
No
Area (mi²):
8.469

Seneca is a city located in Oconee County, South Carolina. Seneca has a 2026 population of 9,373. Seneca is currently growing at a rate of 0.93% annually and its population has increased by 5.79% since the most recent census, which recorded a population of 8,860 in 2020.

The median household income in Seneca is $52,022 with a poverty rate of 22.12%. The median age in Seneca is 39.6 years: 36.6 years for males, and 40.5 years for females. For every 100 females there are 81.5 males.

9.4K
Total Population
1,107
Density (mi²)
86 0.93%
Growth

Seneca Population

Seneca Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269,373860.93%
20259,287850.92%
20249,2021081.19%
20239,0941031.15%
20228,991690.77%
20218,922740.84%
20208,8603514.13%
20198,509640.76%
20188,4451131.36%
20178,332881.07%
20168,244510.62%
20158,193310.38%
20148,162740.91%
20138,088150.19%
20128,073110.14%
20118,062-49-0.6%
20108,11190.11%
20007,652-74-0.96%
19907,7262903.9%
19807,4361,40923.38%
19706,02780015.31%
19605,2271,57843.24%
19503,64900%

Median Age

Overall: 39.6 years
Female: 40.5 years
Male: 36.6 years

Seneca Adults

There are 7,328 adults, (1,835 of whom are seniors) in Seneca.

Sex Ratio

Female: 4,954 (55.1%)
Male: 4,039 (44.9%)

Demographics

The racial composition of Seneca includes 73.45% White, 17.55% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,60573.45%
Black or African American1,57817.55%
Two or more races4294.77%
Other race2402.67%
Asian720.8%
Native American690.77%
Race
Population ↓
Percentage (of total)
Two or more races2632.92%
Other race2402.67%
White540.6%
Black or African American150.17%
Race
Population ↓
Percentage (of total)
White6,55172.85%
Black or African American1,56317.38%
Two or more races1661.85%
Asian720.8%
Native American690.77%

Seneca Marital Status

Economics and Income Statistics

Seneca 's average per capita income is $33,484. Household income levels show a median of $52,022. The poverty rate stands at 22.12%.

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$110,261-
Families$74,864$90,211
Households$52,022$74,623
Non Families$40,601$45,869

$33,484

Average Income

$52,022

Median Household Income

22.12%

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)