Halfmoon is a town in Saratoga County, New York, home to about 26,245 people across 33 square miles. Its ZIP code is 12118, and parts of 12065, 12151 and 12188 are in Halfmoon too.
Homes sold for a median of $267 per square foot in the three months ending August 2026, a seller’s market.
Mostly Halfmoon; also Mechanicville and Stillwater
Mostly Clifton Park; part is in Halfmoon
Mostly Clifton Park; part is in Halfmoon
Mostly Waterford; part is in Halfmoon
Each card is that ZIP code’s whole market, including any part outside Halfmoon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Halfmoon’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Halfmoon well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Albany International Airport (ALB)9 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA144 miles away |
| Nearest city of 1 million+ | New York, NY153 miles away |
Straight-line distances from the center of Halfmoon; 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.
Halfmoon had 25,662 residents in the 2020 census, up 39% since 2000.
It’s the 95th largest of 1,007 towns in New York by population.
Saratoga County grew from 61,089 residents in 1900 to 235,509 in 2020.
Saratoga 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 (9 miles away).
78,232 jobs at 5,488 businesses in Saratoga County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
41 doctors and other health care providers list an office in Halfmoon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 9 |
| Physical and occupational therapists | 7 |
| Chiropractors | 3 |
| Pharmacies | 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 (13 nearby)
Grocery stores (6 nearby)
Pharmacies (4 nearby)
Libraries (1 nearby)
Museums (1 nearby)
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.
Established in 1788.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Mechanicville City School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mechanicville Elementary SchoolMechanicville | Pre-K–5 | 598 | Public | 3.1 mi |
| Mechanicville Junior/Senior High SchoolMechanicville | 6–12 | 717 | Public | 3.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Mother Teresa AcademyHalfmoon | Pre-K–K | 28 | Roman Catholic | 2.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Clifton Park, Waterford, Mechanicville, Stillwater and Malta.
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.