Plainfield is a town in Otsego County, New York, home to about 1,016 people across 30 square miles. It has no ZIP code of its own: it’s part of 13491.
Homes sold for a median of $118 per square foot in the three months ending August 2026, a seller’s market.
Mostly Winfield; part is in Plainfield
Each card is that ZIP code’s whole market, including any part outside Plainfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Plainfield’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)49 miles away |
|---|---|
| Nearest city of 250,000+ | Newark, NJ158 miles away |
| Nearest city of 1 million+ | New York, NY166 miles away |
Straight-line distances from the center of Plainfield; 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.
Plainfield had 922 residents in the 2020 census, down 6% since 2000.
It’s the 871st 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 73°F in summer, and winter lows average 14°F. About 47.6 inches of rain and melted snow fall in a typical year, with about 86 inches of snow.
Source: NOAA 1991–2020 climate normals, Cooperstown, NY weather station (17 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).
11 doctors and other health care providers list an office in Plainfield.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 1 |
| Physical and occupational therapists | 1 |
| Optometrists | 1 |
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)
Libraries (1 nearby)
Counts are within about 3.5 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.
Public schools here are run by Mount Markham Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mount Markham Elementary SchoolWest Winfield | Pre-K–4 | 465 | Public | 0.3 mi |
| Mount Markham Middle SchoolWest Winfield | 5–8 | 284 | Public | 0.3 mi |
| Mount Markham Senior High SchoolWest Winfield | 9–12 | 283 | Public | 0.6 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 Winfield, Richfield, Brookfield, Exeter and Columbia.
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.