ZIP code
29678
Seneca, SC
29678 covers Seneca in Oconee County, with 23,507 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 29678. Methodology
ZIP code map of 29678

About ZIP code 29678
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 29678. Not ACS. Methodology
People in 29678
Race
- White17,473
- Black or African American3,704
- American Indian or Alaska Native73
- Asian300
- Native Hawaiian and Pacific Islander10
- Other race547
- Two or more races1,593
Hispanic or Latino (any race): 1,203
Age
- Under 102,597
- 10 to 192,775
- 20 to 293,876
- 30 to 392,656
- 40 to 492,602
- 50 to 593,017
- 60 to 693,054
- 70 to 792,159
- 80 and older964
Income and housing in 29678
Education
- High school graduate85.5%
- Bachelor's degree24.2%
- Graduate degree8.4%
Places covering 29678
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Oconee County100.0%
- Pickens County0.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
61.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 29678
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 16,680 | |
| 2006 | 16,441 | |
| 2007 | 18,530 | |
| 2008 | 17,003 | |
| 2009 | 16,760 | |
| 2010 | 16,944 | |
| 2011 | 21,648 | 16,997 |
| 2012 | 21,871 | 16,900 |
| 2013 | 22,277 | 17,070 |
| 2014 | 21,926 | 17,160 |
| 2015 | 21,922 | 17,270 |
| 2016 | 22,214 | 17,270 |
| 2017 | 21,983 | 17,690 |
| 2018 | 22,658 | 17,680 |
| 2019 | 23,079 | 17,900 |
| 2020 | 23,299 | 18,300 |
| 2021 | 22,983 | 18,030 |
| 2022 | 23,359 | 18,310 |
| 2023 | 23,507 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 29678
12 nearest ZIP centroids (any distance)
- 29665Newry6.4 miPop 393 · Income —
- 29634Clemson6.5 miPop 5,955 · Income —
- 29631Clemson7.5 miPop 16,363 · Income $50,217
- 29689Townville7.6 miPop 4,147 · Income $71,250
- 29672Seneca8.1 miPop 12,364 · Income $87,521
- 29643Fair Play9.0 miPop 2,887 · Income $85,729
- 29630Central10.7 miPop 15,497 · Income $53,879
- 29696West Union10.9 miPop 5,301 · Income $77,172
- 29625Anderson11.2 miPop 27,475 · Income $58,746
- 29670Pendleton12.2 miPop 11,310 · Income $70,217
- 29693Westminster12.4 miPop 13,826 · Income $51,384
- 29691Walhalla13.0 miPop 12,248 · Income $52,722
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 29678, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 29678 FAQ
- What city is ZIP code 29678 in?
- 29678 is in Seneca, SC.
- What county is 29678 in?
- 29678 is in Oconee County.
- What is the median household income in 29678?
- The median household income in 29678 is $49,699.
- Which ZIP codes are near 29678?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 29678.