Hounsfield is a town in Jefferson County, New York, home to about 3,257 people across 49 square miles. Its ZIP code is 13685, and parts of 13601, 13606 and 13634 are in Hounsfield too.
Homes sold for a median of $239 per square foot in the three months ending August 2026, a seller’s market.
All in Hounsfield
Mostly Watertown City; part is in Hounsfield
Mostly Adams; part is in Hounsfield
Mostly Brownville; part is in Hounsfield
Each card is that ZIP code’s whole market, including any part outside Hounsfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hounsfield’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Hounsfield well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Syracuse Hancock International Airport (SYR)59 miles away |
|---|---|
| Closer regional airport | Watertown International Airport (ART)2 miles away |
| Nearest city of 250,000+ | Buffalo, NY161 miles away |
| Nearest city of 1 million+ | New York, NY251 miles away |
Straight-line distances from the center of Hounsfield; 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.
Hounsfield had 3,281 residents in the 2020 census, down 1% since 2000.
It’s the 488th largest of 1,007 towns in New York by population.
Jefferson County grew from 76,748 residents in 1900 to 116,721 in 2020.
Jefferson 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 10°F. About 37.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Watertown Intl Ap, NY weather station (2 miles away).
28,622 jobs at 2,348 businesses in Jefferson 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 Hounsfield.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|---|
| Mental health providers | 1 |
| Physical and occupational therapists | 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 (5 nearby)
Grocery stores (5 nearby)
Pharmacies (5 nearby)
Libraries (4 nearby)
Museums
Theaters and performance venues
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.
Public schools here are run by Sackets Harbor Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sackets Harbor Central SchoolSackets Harbor | Pre-K–12 | 411 | Public | 5.8 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 Watertown City, Watertown Town, Brownville, Adams, Pamelia, Rutland, Le Ray, Rodman and Pinckney.
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.