Au Sable is a town in Clinton County, New York, home to about 3,156 people across 39 square miles. Its ZIP codes are 12911 and 12924, and parts of 12912, 12944 and 12972 are in Au Sable too.
Homes sold for a median of $219 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Au Sable; also Chesterfield
All in Au Sable
Mostly Jay; part is in Au Sable
Mostly Chesterfield; part is in Au Sable
Mostly Peru; part is in Au Sable
Each card is that ZIP code’s whole market, including any part outside Au Sable. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Au Sable’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Albany International Airport (ALB)125 miles away |
|---|---|
| Closer regional airport | Plattsburgh International Airport (PBG)8 miles away |
| Nearest city of 250,000+ | Boston, MA198 miles away |
| Nearest city of 1 million+ | New York, NY269 miles away |
Straight-line distances from the center of Au Sable; 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.
Au Sable had 3,183 residents in the 2020 census, up 6% since 2000.
It’s the 498th largest of 1,007 towns in New York by population.
Clinton County grew from 47,430 residents in 1900 to 79,843 in 2020.
Clinton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 10°F. About 30.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Plattsburgh Intl Ap, NY weather station (8 miles away).
27,188 jobs at 1,701 businesses in Clinton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (4 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (2 nearby)
Counts are within about 4 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 Ausable Valley Central School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ausable Valley Middle SchoolClintonville | 7–8 | 152 | Public | 6.2 mi |
| Ausable Valley High SchoolClintonville | 9–12 | 342 | Public | 6.2 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 Peru, Chesterfield, Jay, Black Brook and Willsboro.
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.