Riverside
Census-designated place in Western Connecticut Planning Region, Connecticut

Riverside is an unincorporated community (census-designated place) in Western Connecticut Planning Region, Connecticut, with 8,843 residents (2020 Census). The nearest town is Old Greenwich, 1.2 miles SE.
- 8,843residents (2020 Census)
- 2.4 sq miland area · 6.3 km²
- 3,652 / sq mipopulation density
- 06878main ZIP code (2 in total)
About Riverside
Riverside is a neighborhood/section in the town of Greenwich in Fairfield County, Connecticut, United States. As of the 2020 census, it had a population of 8,843.
The town of Greenwich is one political and taxing body, but consists of several distinct sections or neighborhoods, such as Banksville, Byram, Cos Cob, Glenville, Mianus, Old Greenwich, Riverside, and Greenwich (sometimes referred to as central, or downtown, Greenwich). Of these neighborhoods, three (Cos Cob, Old Greenwich, and Riverside) have separate postal names and ZIP codes.
Text: Wikipedia · CC BY-SA 4.0
Riverside weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Riverside
Webcams: Windy.com
Living in Riverside
- Median household income
- $250,001
- Median home value
- $1,900,300
- Median rent
- $3,501/mo
- Median age
- 40.8
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
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, CT population
Riverside had 8,843 residents in the 2020 Census.
| 2020 Census | 8,843 |
|---|---|
| Density | 3,652 per sq mi (1,410 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Riverside at a glance
| State | Connecticut (CT) |
|---|---|
| County | Western Connecticut Planning Region |
| Type | Census-designated place |
| Population | 8,843 (2020) |
| Land area | 2.42 sq mi (6.3 km²) |
| Water area | 0.81 sq mi (2.09 km²) |
| Coordinates | 41.0301° N, 73.5837° W |
| ZIP codes | 06878, 06870 |
| Census code (GEOID) | 0964530 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Riverside
- Old Greenwich1.2 mi SE
- Cos Cob1.3 mi N
- Indian Field1.7 mi SW
- Greenwich2.8 mi W
- Rock Ridge3.4 mi W
- Pemberwick3.9 mi W
- Stamford3.9 mi NE
- Byram4.2 mi SW
- Glenville4.2 mi W
- Port Chester, NY4.7 mi W
- Noroton5.2 mi E
- Rye Brook, NY5.4 mi W
Straight-line distance between town centers.
Frequently asked questions about Riverside
What county is Riverside in?
Riverside is in Western Connecticut Planning Region, Connecticut.
What is the population of Riverside, CT?
8,843 people lived in Riverside at the 2020 Census.
What is the ZIP code of Riverside, CT?
The main ZIP code is 06878. Other ZIP codes: 06870.
What towns are near Riverside?
Old Greenwich (1.2 mi), Cos Cob (1.3 mi), Indian Field (1.7 mi), Greenwich (2.8 mi), Rock Ridge (3.4 mi).
Last updated: