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ZIP Code 29678
Seneca, SC, Oconee County
Population
23,767
Land area
79.8sq mi
People per sq mi
298
City
Seneca
ZIP 29678 and nearby ZIP codes
ZIP 29678 at a glance
- ZIP 29678 (Seneca) is 69% denser than South Carolina as a whole.
- The median household income is $52,550, 24% below the South Carolina median of $69,324.
- A typical owner-occupied home is valued at $225,500 (13% below South Carolina) and median rent is $913 a month.
Local data for ZIP 29678
Counts from official public data
Housing and community stats
ZIP 29678, American Community Survey 2020-2024
Median household income
$52,550
Poverty rate
22.3%
Median home value
$225,500
Prices -0.2% in a year
Median rent
$913/mo
Homeownership
63.1%
Bachelor's or higher
24.3%
Median age
38.4
Average commute
21.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
741
ZIP Business Patterns 2023
Employees
9,736
$506M annual payroll
PPP loans
$27.9M
518 loans
Campaign donations
$51.6K
17% D, 47% R, 2026 cycle
Environment and hazard risk
ZIP 29678, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: cold wave
Storm events since 1996
540
Countywide, mostly thunderstorm wind
Flood insurance policies
63
0.2% of homes, county
July high / Jan low
89° / 34°F
49.0 inches of rain a year
Health statistics
Share of adults in ZIP 29678, CDC PLACES estimates
Obesity
39.3%
U.S. 33.3% +6.0 pts
Diabetes
14.8%
U.S. 12.1% +2.7 pts
Smoking
15.7%
U.S. 12.8% +2.9 pts
Uninsured (18-64)
12.7%
U.S. 11.1% +1.6 pts
Frequently asked questions
- What city is ZIP code 29678?
- ZIP code 29678 is in Seneca, SC (Oconee County).
- What county is ZIP code 29678 in?
- ZIP code 29678 is mostly in Oconee County, South Carolina.
- How many people live in ZIP code 29678?
- About 23,767 people live in the 29678 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.