PlainZIP

Seneca, SC

Single-footprint Census roll-up for Seneca, SC: 2 USPS ZIPs, population 33,544. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SENECA-SC · Seneca, SC 2 ZIPs · 33,544 pop · #12557/25278 · Oconee County

INC-MID · RANK-MID · ABOVE-PEER · BOOK-FEW · OWN-MID · POP-SMALL · SPREAD-MOD · HOME-MID

  • INC-MID $71,600
  • RANK-MID #12557/25278
  • ABOVE-PEER over Long Creek
  • BOOK-FEW 2 ZIPs
  • OWN-MID 74% owners
  • POP-SMALL 33,544
  • SPREAD-MOD 29678→29672
  • HOME-MID $353,800

Nearest income peer: Long Creek, SC ( $3,850 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Seneca

Lowest/highest poles plus county-sharing cities nearest Seneca on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Seneca, SC sits among US cities with an above-median household income, on a small-city population base, across a handful of delivery areas.

Top 50%
household income vs 25,278 US cities
33,544
city population (Census)
2
USPS ZIP codes covered
$71,600
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Above-median income on a short ZIP list (2) - lead code 29678 (21,676 residents). Household income $71,600 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (73.5%) - check the ZIP page's tenure split before treating Seneca as a pure owner town.

Within South Carolina, Piedmont is the closest lower-income city and Myrtle Beach the closest higher-income city by average ZIP household income. Their 1 and 5 ZIP footprints are the immediate statewide comparison set for Seneca.

Within-city ZIP comparison

Where the ZIP codes inside Seneca differ

Seneca's city average masks two linked splits. Median household income runs from $52,550 in ZIP 29678 to $90,650 in ZIP 29672, while home values span $225,500 in 29678 to $482,100 in 29672. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.

Income high-to-low ratio
1.7×

29678 to 29672

Home-value high-to-low ratio
2.1×

29678 to 29672

Poverty-rate spread
15.2 points

29672 to 29678

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Lead ZIP 29678 skews compact Seneca

In this 2-ZIP cluster, 29678 covers about 65% of Seneca's 33,544 residents. City averages lean toward that lead; open a thinner sibling ZIP for the contrast the mean hides.

Census ZBP business roll-up

Employer-heavy short list in Seneca

Citywide ZBP: 1,017 establishments, 13,809 employees , annual payroll $773,587k (~30 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 29678 (741 units) ; leading NAICS Retail trade (182) · also Construction · Other services (except public administration) .

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ZIP Codes in Seneca, SC

These ZIP codes sit in Oconee County, which covers 11 ZIP codes in all; 2 of them fall in Seneca. See the Oconee County roll-up →

Seneca sits in the upper half of Oconee County on income: Westminster, Walhalla and Mountain Rest report less, while Salem, West Union and Fair Play report more. Newry marks the far end of that range at $45,407, 37% below Seneca.

Side-by-side: Compare 29678 vs 29672 →

ZIP Code Population Median income Establishments Density
29678 21,676 $52,550 741 106
29672 11,868 $90,650 276 118
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Seneca roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Seneca, .