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Sea Cliff, NY

Village in Nassau County, New York. ZIP codes: 11579.

Population

5,033

Land area

1.1sq mi

People per sq mi

4,515

ZIP codes

1

Sea Cliff and its ZIP codes

Sea Cliff at a glance

  • Sea Cliff is about 11 times as dense as New York as a whole.
  • The median household income is $193,590, about 2.3 times the New York median of $85,974.
  • A typical owner-occupied home is valued at $986,900 (about 2.3 times the New York figure) and median rent is $2,315 a month.

Local data for Sea Cliff, NY

Counts from official public data

Housing and community stats

Sea Cliff, NY, American Community Survey 2020-2024

Full profile

Median household income

$193,590

Poverty rate

0.9%

Median home value

$986,900

Median rent

$2,315/mo

Homeownership

77.3%

Bachelor's or higher

61.3%

Median age

40.5

Average commute

36.2 min

Largest reported origins and ancestries: Italian Americans (1,192), German Americans (1,124), Irish Americans (1,043).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Nassau County. PPP loans are for Sea Cliff.

Details

Unemployment rate

3.8%

Aug 2026, 0.0 pts in a year

Average annual pay

$79,801

636,274 jobs, 2025

Income per person

$109,400

BEA, 2024

Federal spending

$11.35B

FY 2026, $8,135 per person

PPP loans

$10.34M

265 loans, 1,496 jobs reported

Nassau County economyFederal spendingPPP loans

How people get to work

Sea Cliff, NY, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone57.2%
  • Carpooled2.2%
  • Public transit9.8%
  • Walked2.6%
  • Bicycle0.6%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home27.6%

Average one-way commute: 36.2 minutes for people who do not work from home.

Environment and hazard risk

Sea Cliff, NY, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: winter weather

Storm events since 1996

800

Countywide, mostly thunderstorm wind

Flood insurance policies

35,824

9.7% of homes, county

July high / Jan low

87° / 27°F

45.3 inches of rain a year

Hazards, floods and storm historyCheck a flood zone27 historic places

Health statistics

Share of adults in Sea Cliff, NY, CDC PLACES estimates

All 40 measures

Obesity

26.9%

U.S. 33.3% -6.4 pts

Diabetes

8.4%

U.S. 12.1% -3.7 pts

Smoking

7.3%

U.S. 12.8% -5.5 pts

Uninsured (18-64)

3.6%

U.S. 11.1% -7.5 pts

ZIP codes in Sea Cliff

1 in or overlapping Sea Cliff. Population shown

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Cities near Sea Cliff

Frequently asked questions

What county is Sea Cliff, NY in?
Sea Cliff is in Nassau County, New York.
What ZIP codes are in Sea Cliff, NY?
ZIP codes in or overlapping Sea Cliff include 11579.
What is the population of Sea Cliff, NY?
About 5,033 people live in Sea Cliff, based on American Community Survey 5-year estimates.
What cities are near Sea Cliff?
Nearby places include Glen Head (1 mi), Glenwood Landing (1.3 mi), Roslyn Harbor (1.9 mi), Port Washington (2.1 mi), Glen Cove (2.2 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023