Demographics & People — Seneca, South Carolina

Population Overview

Population (Census)8,910
Estimated 2026~9,200
Median Age39.6
Total Households3,995
Family Households2,410
Average Household Size2.2
Diversity Index0.4303 (moderately diverse)

Race & Ethnicity

White6,402
Black or African American1,650
Asian58
Hispanic or Latino698

Heritage & Ancestry

GroupCount
Other groups2,536
Unclassified or not reported2,100
German1,400
American1,129
Irish1,057
English683
Hispanic: Hispanic or Latino676
Italian493
Greek453
Scottish356

Language

English Only7,935
Spanish198
Population 5+8,185

Veterans

Veterans506
Population 18+7,348

Commuting

Mean Commute Time16.0 minutes
Work from Home4.4%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Seneca, South Carolina.