Central Islip, NY

Single-footprint Census roll-up for Central Islip, NY: 1 USPS ZIP, population 35,177. 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 CENTRAL-ISLIP-NY · Central Islip, NY 1 ZIPs · 35,177 pop · #2681/25278 · Suffolk County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-HIGH

  • INC-TOP $114,049
  • RANK-TOP #2681/25278
  • PHOTO-FINISH ≈ Ronkonkoma
  • BOOK-ONE 1 ZIP
  • OWN-MID 78% owners
  • POP-SMALL 35,177
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $436,600

Nearest income peer: Ronkonkoma, NY ( $1,869 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 Central Islip

Lowest/highest poles plus county-sharing cities nearest Central Islip 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, Central Islip, NY sits among US cities with an upper-quartile household income, on a small-city population base, across a single-ZIP footprint.

Top 11%
household income vs 25,278 US cities
35,177
city population (Census)
1
USPS ZIP codes covered
$114,049
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.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $114,049 and home value $436,600 should be read as near-neighborhood numbers ; bachelor's attainment averages 19.3%.

Owner-occupancy sits in a mixed band (78.2%) - check the ZIP page's tenure split before treating Central Islip as a pure owner town.

Within New York, Bellona is the closest lower-income city and Rosedale the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Central Islip.

Population concentration

One ZIP, 11722, is all of Central Islip

There is no split to weigh here: 11722 holds every one of Central Islip's 35,177 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Mid-pack ZBP load on Central Islip's one ZIP

Citywide ZBP: 607 establishments, 5,933 employees , annual payroll $312,538k (~17 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 11722 (607 units) ; leading NAICS Construction (117) · also Retail trade · Other services (except public administration) .

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ZIP Codes in Central Islip, NY

These ZIP codes sit in Suffolk County, which covers 107 ZIP codes in all; 1 of them fall in Central Islip. See the Suffolk County roll-up →

Central Islip sits in the lower half of Suffolk County on income: Huntington Station, Bay Shore and Lindenhurst report more, and only Patchogue reports less. Huntington marks the far end of that range at $183,187, 61% above Central Islip.

ZIP Code Population Median income Establishments Density
11722 35,177 $114,049 607 1,863

Central Islip 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 Central Islip, .