Sand Lake is a town in Rensselaer County, New York, home to about 8,326 people across 35 square miles. Its ZIP codes are 12018, 12153 and 12196, and parts of 12061 are in Sand Lake too.
Homes sold for a median of $241 per square foot across 3 ZIP codes in the three months ending August 2026, and 2 of 3 were seller’s markets.
Mostly Sand Lake; also Poestenkill and Nassau
Mostly Sand Lake; also Berlin
Mostly Sand Lake; also East Greenbush
Mostly East Greenbush; part is in Sand Lake
Each card is that ZIP code’s whole market, including any part outside Sand Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sand Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Albany International Airport (ALB)15 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA131 miles away |
| Nearest city of 1 million+ | New York, NY138 miles away |
Straight-line distances from the center of Sand Lake; 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.
Sand Lake had 8,348 residents in the 2020 census, up 5% since 2000.
It’s the 240th largest of 1,007 towns in New York by population.
Rensselaer County grew from 121,697 residents in 1900 to 161,130 in 2020.
Rensselaer 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 (10 miles away).
46,817 jobs at 2,985 businesses in Rensselaer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
24 doctors and other health care providers list an office in Sand Lake’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 8 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 6 |
| Physical and occupational therapists | 3 |
| Chiropractors | 1 |
| Pharmacies | 4 |
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 (2 nearby)
Grocery stores (1 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 4 miles 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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Averill Park Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Miller Hill SchoolAverill Park | K–5 | 377 | Public | 0.6 mi |
| West Sand Lake Elementary SchoolWest Sand Lake | K–5 | 354 | Public | 2.8 mi |
| Algonquin Middle SchoolAverill Park | 6–8 | 608 | Public | 2.4 mi |
| Averill Park High SchoolAverill Park | 9–12 | 870 | Public | 1.1 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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Shares ZIP codes with East Greenbush, Poestenkill, Schodack, Nassau, Berlin and Stephentown.
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.