Saint Helena Island, SC

Single-footprint Census roll-up for Saint Helena Island, SC: 1 USPS ZIP, population 9,481. 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 SAINT-HELENA-ISLAND-SC · Saint Helena Island, SC 1 ZIPs · 9,481 pop · #10096/25278 · Beaufort County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-HIGH · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $77,744
  • RANK-UPPER #10096/25278
  • PHOTO-FINISH ≈ Beaufort
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 90% owners
  • POP-TOWN 9,481
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $288,700

Nearest income peer: Beaufort, SC (+ $713 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 Saint Helena Island

Lowest/highest poles plus county-sharing cities nearest Saint Helena Island 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, Saint Helena Island, SC sits among US cities with an above-median household income, on a town-scale population base, across a single-ZIP footprint.

Top 40%
household income vs 25,278 US cities
9,481
city population (Census)
1
USPS ZIP codes covered
$77,744
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 (1) - lead code 29920 (9,481 residents). Household income $77,744 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (90.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within South Carolina, Lyman is the closest lower-income city and Ladson the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint Helena Island.

Population concentration

Saint Helena Island's single ZIP 29920 carries the town

Saint Helena Island is published as a single USPS ZIP. Code 29920 is the entire residential footprint (9,481 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Saint Helena Island

Citywide ZBP: 116 establishments, 1,229 employees , annual payroll $55,457k (~12 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 29920 (116 units) ; leading NAICS Real estate and rental and leasing (18) · also Professional, scientific, and technical services · Construction .

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ZIP Codes in Saint Helena Island, SC

These ZIP codes sit in Beaufort County, which covers 14 ZIP codes in all; 1 of them fall in Saint Helena Island. See the Beaufort County roll-up →

Saint Helena Island sits in the lower half of Beaufort County on income: Hilton Head Island, Bluffton and Okatie report more, and only Seabrook reports less. Daufuskie Island marks the far end of that range at $156,090, 101% above Saint Helena Island.

ZIP Code Population Median income Establishments Density
29920 9,481 $77,744 116 38

Saint Helena Island 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 Saint Helena Island, .