Sea Cliff, New York

Sea Cliff population, 2020 to 2024

Sea Cliff lost 37 residents from July 2020 to July 2024, a change of -0.7%. In the latest year it moved by +14. Among 170 New York places of 5,000 or more, that growth ranks 97th; the median place changed by -0.5%. The median place of 5,000+ in New York has 10,324 people, so Sea Cliff is 49% of it.

Sea Cliff covers 1.12 square miles of land and 0.85 of water, for 4,486 people per square mile of land. The median New York place of 5,000+ has 3,760, so Sea Cliff is denser than the typical town.

What county Sea Cliff is in

All of Sea Cliff's residents live in Nassau County, which had 1,392,438 residents in 2024. Sea Cliff holds 0.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sea Cliff

1 ZIP Code Tabulation Area (ZCTA) overlaps Sea Cliff by at least 10% of the ZCTA's or the village's land: 11579. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sea Cliff is

The Census internal point of Sea Cliff is at 40.846200, -73.650400. Albany, the capital, is 125.0 miles N in a straight line. The nearest larger place is Glen Cove, NY (28,088 people), 2.7 miles away. The nearest city of 100,000 or more is Yonkers, NY, 13.2 miles away.

Daylight in Sea Cliff

At 40.85° N, Sea Cliff gets about 15 h 07 min of daylight around the June solstice and 9 h 14 min around the December solstice, a swing of 5 h 52 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sea Cliff

The eight nearest incorporated places of 1,000+ in New York, measured between internal points. The closest is Old Brookville, 2.5 miles away, with 2,100 people.