Seneca, SC Demographics & ZIP Codes
Seneca, South Carolina demographics and median household income by ZIP code (in Oconee County) — 2 ZIP codes — population 35,871 — median income $68,610 — avg. home value $299,900. Compare income, housing, and population across ZIP codes on US5.
Seneca demographics
Seneca, South Carolina covers 2 ZIP codes primarily in Oconee County, with a combined ZIP-area population of about 35,871.
Across ZIP codes with age data, the average median age is about 45.7 years.
Median household income in Seneca
The average median household income across ZIP codes in Seneca, South Carolina is about $68,610 — about 11% above the SC ZIP average ($61,613), and about 9% below the U.S. median ($75,149).
Among ZIPs with income data, 29672 is near the top at about $87,521, while 29678 is near the bottom at about $49,699.
Housing in Seneca
For housing in Seneca, South Carolina, the average median home value is about $299,900 and the average median rent is about $716.
The most populous ZIP in this set is 29678 (about 23,507 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Seneca
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 29678 | Seneca | Oconee County | SC | 23,507 | $49,699 | $205,600 |
| 29672 | Seneca | Oconee County | SC | 12,364 | $87,521 | $394,200 |
Frequently asked questions
What are the demographics of Seneca?
Seneca, South Carolina has a combined ZIP-area population of about 35,871 across 2 ZIP codes (primarily Oconee County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Seneca?
The average median household income across ZIP codes in Seneca, South Carolina is about $68,610, about 11% above the state ZIP average ($61,613), and about 9% below the U.S. median ($75,149). Average median home value is about $299,900. Among ZIPs with data, 29672 is near the top ($87,521) and 29678 is near the bottom ($49,699).
How many ZIP codes are in Seneca?
Seneca, South Carolina includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Seneca?
This page lists ZIP codes in Seneca, South Carolina with population, median household income, and home value. Select a ZIP for a full demographics profile.