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Seneca city, SC

ZIP 29678 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 29678

29678 has a population of 23,507 with a median age of 38.6 yrs (47.4% male).

Race & Ethnicity
White
74.8%+21% vs US avg
x
Black
18.1%+46% vs US avg
x
Asian
0.7%-88% vs US avg
x
Hispanic
4.1%-78% vs US avg
x
Other / Two+
2.3%
x
Age Groups
0–17
20.1%-9% vs US avg
x
18–64
62.3%+1% vs US avg
x
65+
17.6%+8% vs US avg
x
Education
Less than HS
14.5%+31% vs US avg
x
High school
30.4%+16% vs US avg
x
Some college
30.9%+7% vs US avg
x
Bachelor's+
24.2%-28% vs US avg
x
Marital Status
Married
47.2%-2% vs US avg
x
Never married
34.7%+3% vs US avg
x
Divorced
11.7%+14% vs US avg
x
Widowed / Separated
6.4%
x
Diversity Index
41/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
21.1%+83% vs US avg
x
Foreign Born
56.7%+308% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Disability
17.7%+32% vs US avg
x
Single Parent
18.2%+125% vs US avg
x
Recent Births
41.0%+607% vs US avg
x
Top ancestry
EnglishIrishAmerican

Health & Community Indicators in 29678

Poverty Rate
21.1%+83% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Foreign Born
56.7%+308% vs US avg
x
Single Parent
18.2%+125% vs US avg
x
Disability
17.7%+32% vs US avg
x
Uninsured
8.8%+10% vs US avg
x
SNAP Benefits
15.0%+28% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
41.0%+607% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population23,507
Median age38.6
Poverty rate21.1%
Demographics statistics
Demographics
White74.8%
Hispanic4.1%
Black18.1%
Asian0.7%
Foreign-born56.7%