Groton is a town in Tompkins County, New York, home to about 5,612 people across 49 square miles. Its ZIP codes are 13073 and 13102, and parts of 13045 and 13068 are in Groton too.
Homes sold for a median of $137 per square foot in the three months ending August 2026, a seller’s market.
Mostly Groton; also Lansing and Dryden
Mostly Groton
Mostly Cortland; part is in Groton
Mostly Dryden; part is in Groton
Each card is that ZIP code’s whole market, including any part outside Groton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Groton’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Syracuse Hancock International Airport (SYR)39 miles away |
|---|---|
| Closer regional airport | Ithaca Tompkins Regional Airport (ITH)9 miles away |
| Nearest city of 250,000+ | Buffalo, NY129 miles away |
| Nearest city of 1 million+ | New York, NY181 miles away |
Straight-line distances from the center of Groton; 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.
Groton had 5,746 residents in the 2020 census, down 1% since 2000.
It’s the 332nd largest of 1,007 towns in New York by population.
Tompkins County grew from 33,830 residents in 1900 to 105,740 in 2020.
Tompkins County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 12°F. About 39.5 inches of rain and melted snow fall in a typical year, with about 64 inches of snow.
Source: NOAA 1991–2020 climate normals, Freeville 1 Ne, NY weather station (4 miles away).
50,869 jobs at 2,230 businesses in Tompkins County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
7 doctors and other health care providers list an office in Groton’s ZIP codes.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 2 |
| 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 (1 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Counts are within about 4.5 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 1817.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Groton Central School District, Dryden Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Groton Elementary SchoolGroton | Pre-K–5 | 388 | Public | 0.9 mi |
| Cassavant Elementary SchoolMclean | K–3 | 85 | Public | 3.3 mi |
| Groton Junior/Senior High SchoolGroton | 6–12 | 396 | Public | 1.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sunny Meadows Parochial SchoolGroton | 1–8 | 21 | Amish | 4.0 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 Cortland, Dryden, Cortlandville, Lansing, Homer, Virgil and Summerhill.
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.