Seneca Micro
Seneca has lower-than-average household income, with a median household income of $62,388. Population has grown 22% since 2000. Median home value has roughly tripled since 2000, reaching $237,100. With a median age of 47.3, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:83,775 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Principal cities
1 component county
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How many people live in Seneca, SC?
Seneca, SC has about 80,469 residents according to the 2024 American Community Survey.
What is the median household income in Seneca, SC?
The typical household in Seneca, SC earns about $62,388 a year. Half of households make more than that, and half make less.
Is Seneca, SC expensive?
In Seneca, SC, the median home is worth about $237,100, and the typical rent is about $881 a month.
How educated are people in Seneca, SC?
About 28.7% of adults age 25 and over in Seneca, SC hold a bachelor's degree or higher.
What is the poverty rate in Seneca, SC?
About 17.6% of people in Seneca, SC live below the federal poverty line.
Has Seneca, SC grown since 1990?
Yes, Seneca, SC has grown since 1990. The population has added about 22,975 residents, a change of about 40 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024