Three Mile Bay

Census-designated place in Jefferson County, New York

Aerial view of Three Mile Bay, New York
Aerial view: USDA NAIP · USGS The National Map (public domain)

Three Mile Bay is an unincorporated community (census-designated place) in Jefferson County, New York, with 187 residents (2020 Census). It sits at 259 ft (79 m) above sea level. The nearest town is Chaumont, 3.4 miles E.

About Three Mile Bay

Three Mile Bay is a hamlet and census-designated place (CDP) in the town of Lyme in Jefferson County, New York, United States. The elevation is 259 feet (79 m). As of the 2020 census, Three Mile Bay had a population of 187.

The hamlet has its own post office, a volunteer fire company, and boat launches for fishing and recreation in the various outlying bays that draw from Lake Ontario and the St. Lawrence seaway.

Text: Wikipedia · CC BY-SA 4.0

Three Mile Bay weather: 7-day forecast

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Living in Three Mile Bay

Median household income
$34,464
Median home value
$205,800
Median age
41.5
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Map of Three Mile Bay

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Three Mile Bay, NY population

Three Mile Bay had 187 residents in the 2020 Census.

2020 Census187
Density661 per sq mi (255 per km²)

Source: U.S. Census Bureau, Decennial Census.

Three Mile Bay at a glance

StateNew York (NY)
CountyJefferson County
TypeCensus-designated place
Population187 (2020)
Land area0.28 sq mi (0.7 km²)
Water area0.01 sq mi (0.03 km²)
Elevation259 ft (79 m)
Coordinates44.0861° N, 76.1967° W
ZIP code13622
Census code (GEOID)3673737

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Three Mile Bay

Straight-line distance between town centers.

Frequently asked questions about Three Mile Bay

What county is Three Mile Bay in?

Three Mile Bay is in Jefferson County, New York.

What is the population of Three Mile Bay, NY?

187 people lived in Three Mile Bay at the 2020 Census.

What is the ZIP code of Three Mile Bay, NY?

The ZIP code of Three Mile Bay is 13622.

What is the elevation of Three Mile Bay?

259 feet (79 m) above sea level.

What towns are near Three Mile Bay?

Chaumont (3.4 mi), Cape Vincent (7.1 mi), Depauville (8.5 mi), Dexter (9.3 mi), Sackets Harbor (11.0 mi).

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