Seneca, SC ZIP codes
Seneca, South Carolina has 3 ZIP codes, including 1 PO Box ZIP. They are in Oconee County.
- Population in these ZIPs
- 36,517
- Avg. median income
- $65,900population-weighted
- Typical home value
- $360,600population-weighted
- Metro area
- Seneca, SC
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Seneca, SC ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 29672 | Oconee County | 12,750 | $90,650 | $561,100 |
| 29678 | Oconee County | 23,767 | $52,550 | $253,100 |
| 29679 PO Box | Oconee County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Seneca
Frequently asked questions
What county is Seneca, South Carolina in?
Seneca ZIP codes are in Oconee County.
Which Seneca ZIP codes are PO Boxes?
29679 is a PO Box or single-organization ZIP code; it has no residential delivery area.