Green Island is a town in Albany County, New York, home to about 2,970 people across 0.8 square miles. Its ZIP code is 12183.
Homes sold for a median of $110 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Green Island. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Green Island’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Green Island well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Albany International Airport (ALB)5 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA139 miles away |
| Nearest city of 1 million+ | New York, NY144 miles away |
Straight-line distances from the center of Green Island; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Green Island had 2,934 residents in the 2020 census, up 29% since 2000.
It’s the 520th largest of 1,007 towns in New York by population.
Albany County grew from 165,571 residents in 1900 to 314,848 in 2020.
Albany County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 17°F. About 42 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Troy L&D, NY weather station (about a mile away).
180,421 jobs at 9,465 businesses in Albany County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
13 doctors and other health care providers list an office in Green Island.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 1 |
| Physical and occupational therapists | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (16 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries
Museums (1 nearby)
Theaters and performance venues (5 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1853.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Green Island Union Free School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Heatly SchoolGreen Island | Pre-K–12 | 223 | Public | 0.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.