Sand Lake’s post office opened in 1815, and 24% of its homes were built before 1940
More historic than 82% of U.S. towns · #401 of 758 in New York. What drives it
Its Register listings are the Albert R. Fox House and the Sand Lake Baptist Church. Its Register listings are the Albert R. Fox House and the Sand Lake Baptist Church. Below: maps from 1893 on and old-book passages.
The Sand Lake post office opened in 1815, the earliest record of the town by name. Five smaller post offices, Ulinesville (1828), East Sand Lake (1839) and Averill (1880), opened inside today’s town and later closed.
2020 census: 8,348211 years
How historic is Sand Lake?
A−
More historic than 82% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Sand Lake post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Sand Lake’s History grade
On its age, its old homes and the National Register, Sand Lake is more historic than 82% of U.S. towns, #401 of 758 in New York. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
A−
HistoryA character grade: shown, never part of Sand Lake’s overall grade.
New York towns list more on the Register than most of the country (a typical New York town has 12.3 per 10,000 residents, the U.S. 2.4), so Sand Lake’s 7.2 sits near the middle of its state (41% of New York towns have fewer) while its 6 historic buildings outnumber those of 72% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A−. The pre-1940 share is a Census survey estimate (±6.2 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Sand Lake’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The hamlet was originally referred to as Sliter's Corners. When the original hamlet of Sand Lake renamed itself Averill Park, New York Sliter's Corners was renamed
The Eastern Turnpike was built through the hamlet between 1801-1804.
The section from Averill Park to the Massachusetts State Border (including this intersection) was declared public in 1824.
The Sand Lake post office opened in 1815, the earliest record of the town by name (U.S. post office records).
How does Sand Lake rank for history?
Sand Lake is more historic than 82% of U.S. towns, #401 of 758 in New York. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Sand Lake?
Two places: the Albert R. Fox House (listed 2001) and the Sand Lake Baptist Church (2004).
How old are the homes in Sand Lake?
24% of Sand Lake’s homes were built before 1940 (Census estimate, ±6.2 points), against a typical 27% for a New York town; the median home was built in 1976.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From the National Register of Historic Places (2), Wikipedia, U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.