Riverside

Census-designated place in Suffolk County, New York

Aerial view of Riverside, New York
Aerial view: USDA NAIP · USGS The National Map (public domain)

Riverside is an unincorporated community (census-designated place) in Suffolk County, New York, with 2,882 residents (2020 Census). The nearest town is Northampton, 2.2 miles S.

About Riverside

Riverside is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States. The population was 2,911 at the 2010 census.

Riverside is in the Town of Southampton and derives its name from being on the south bank of the Peconic River.

Text: Wikipedia · CC BY-SA 4.0

Riverside weather: 7-day forecast

Loading the National Weather Service forecast…

Hourly forecast & alerts ›

Source: National Weather Service (NOAA).

Live webcams in Riverside

All 24 webcams near Riverside ›

Webcams: Windy.com

Living in Riverside

Median household income
$59,318
Median rent
$2,846/mo
Median age
34.3
Cost of living and demographics of Riverside ›

Do you know Riverside? Tell us about it

Help other travelers: share what makes Riverside special. We review every message before publishing it.

Map of Riverside

Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Riverside Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Riverside, NY population

Riverside had 2,882 residents in the 2020 Census.

2020 Census2,882
Density1,089 per sq mi (420 per km²)

Source: U.S. Census Bureau, Decennial Census.

Riverside at a glance

StateNew York (NY)
CountySuffolk County
TypeCensus-designated place
Population2,882 (2020)
Land area2.65 sq mi (6.9 km²)
Water area0.10 sq mi (0.26 km²)
Coordinates40.9051° N, 72.6717° W
ZIP code11901
Census code (GEOID)3662066

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Riverside

Straight-line distance between town centers.

Frequently asked questions about Riverside

What county is Riverside in?

Riverside is in Suffolk County, New York.

What is the population of Riverside, NY?

2,882 people lived in Riverside at the 2020 Census.

What is the ZIP code of Riverside, NY?

The ZIP code of Riverside is 11901.

What towns are near Riverside?

Northampton (2.2 mi), Riverhead (3.2 mi), Flanders (3.7 mi), Westhampton (4.1 mi), Aquebogue (4.4 mi).

Last updated: