Unadilla is a town in Otsego County, New York, home to about 4,076 people across 46 square miles. Its ZIP codes are 13809, 13849 and 13859, and parts of 13733 and 13838 are in Unadilla too.
Homes sold for a median of $120 per square foot across 3 ZIP codes in the three months ending August 2026, and 1 of 3 were seller’s markets.
Mostly Unadilla; also Guilford and Butternuts
Mostly Unadilla; also Sidney and Masonville
All in Unadilla
Mostly Bainbridge; part is in Unadilla
Mostly Sidney; part is in Unadilla
Each card is that ZIP code’s whole market, including any part outside Unadilla. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Unadilla’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)65 miles away |
|---|---|
| Closer regional airport | Greater Binghamton/Edwin A Link field (BGM)33 miles away |
| Nearest city of 250,000+ | Newark, NJ127 miles away |
| Nearest city of 1 million+ | New York, NY137 miles away |
Straight-line distances from the center of Unadilla; 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.
Unadilla had 4,116 residents in the 2020 census, down 9% since 2000.
It’s the 416th largest of 1,007 towns in New York by population.
Otsego County grew from 48,939 residents in 1900 to 58,524 in 2020.
Otsego County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 11°F. About 45.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, E Sidney, NY weather station (6 miles away).
18,030 jobs at 1,295 businesses in Otsego County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Unadilla’s ZIP codes.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 2 |
| Physical and occupational therapists | 1 |
| 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 (3 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (2 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 1770.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Otego-Unadilla Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Unadilla Elementary SchoolUnadilla | Pre-K–5 | 349 | Public | 2.6 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 Bainbridge, Sidney, Guilford, Afton, Oxford, Coventry, Butternuts and Masonville.
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.