Johnsburg is a town in Warren County, New York, home to about 1,786 people across 204 square miles. Its ZIP codes are 12811, 12843, 12856, 12862 and 12886, and parts of 12853 and 12885 are in Johnsburg too.
Homes sold for a median of $286 per square foot across 4 ZIP codes in the three months ending August 2026, and 1 of 4 were seller’s markets.
All in Johnsburg
All in Johnsburg
All in Johnsburg
Mostly Johnsburg; also Chester Town (Warren County)
All in Johnsburg
Mostly Chester Town (Warren County); part is in Johnsburg
Mostly Warrensburg; part is in Johnsburg
Each card is that ZIP code’s whole market, including any part outside Johnsburg. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Albany International Airport (ALB)64 miles away |
|---|---|
| Closer regional airport | Adirondack Regional Airport (SLK)51 miles away |
| Nearest city of 250,000+ | Boston, MA176 miles away |
| Nearest city of 1 million+ | New York, NY207 miles away |
Straight-line distances from the center of Johnsburg; 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.
Johnsburg had 2,143 residents in the 2020 census, down 13% since 2000.
It’s the 702nd largest of 1,007 towns in New York by population.
Warren County grew from 29,943 residents in 1900 to 65,737 in 2020.
Warren County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 75°F in summer, and winter lows average 6°F. About 43.6 inches of rain and melted snow fall in a typical year, with about 102 inches of snow.
Source: NOAA 1991–2020 climate normals, Indian Lake 2sw, NY weather station (15 miles away).
30,380 jobs at 2,164 businesses in Warren 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 Johnsburg’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 |
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.
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 8 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.
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Shares ZIP codes with Warrensburg, Chester Town (Warren County) and Thurman.
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.