Mongaup Valley
Census-designated place in Sullivan County, New York

Mongaup Valley is an unincorporated community (census-designated place) in Sullivan County, New York, with 236 residents (2020 Census). It sits at 1,224 ft (373 m) above sea level. The nearest town is Smallwood, 2.2 miles SW.
- 236residents (2020 Census)
- 1,224 ftelevation · 373 m
- 5.0 sq miland area · 13.0 km²
- 47 / sq mipopulation density
- 12762main ZIP code (2 in total)
About Mongaup Valley
Mongaup Valley is a hamlet (and census-designated place) in the Town of Bethel, Sullivan County, New York, United States. As of the 2020 census, Mongaup Valley had a population of 236. The community is located along New York State Route 17B 5 miles (8.0 km) west of Monticello, and along the Mongaup River. Mongaup Valley has a post office with ZIP code 12762, which opened on June 22, 1848.
Text: Wikipedia · CC BY-SA 4.0
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Living in Mongaup Valley
- Median household income
- $115,111
- Median age
- 54.3
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Map of Mongaup Valley
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Open in Google Maps ›Mongaup Valley, NY population
Mongaup Valley had 236 residents in the 2020 Census.
| 2020 Census | 236 |
|---|---|
| Density | 47 per sq mi (18 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Mongaup Valley at a glance
| State | New York (NY) |
|---|---|
| County | Sullivan County |
| Type | Census-designated place |
| Population | 236 (2020) |
| Land area | 5.02 sq mi (13.0 km²) |
| Water area | 0.08 sq mi (0.21 km²) |
| Elevation | 1,224 ft (373 m) |
| Coordinates | 41.6803° N, 74.7799° W |
| ZIP codes | 12762, 12778 |
| Census code (GEOID) | 3647977 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Mongaup Valley
- Smallwood2.2 mi SW
- Kauneonga Lake2.8 mi W
- White Lake3.0 mi W
- Monticello5.1 mi E
- Swan Lake5.7 mi N
- Kiamesha Lake6.1 mi E
- Hurleyville6.9 mi NE
- South Fallsburg7.8 mi E
- Liberty8.3 mi N
- Bridgeville8.6 mi SE
- Loch Sheldrake9.0 mi NE
- Fallsburg9.5 mi NE
Straight-line distance between town centers.
Frequently asked questions about Mongaup Valley
What county is Mongaup Valley in?
Mongaup Valley is in Sullivan County, New York.
What is the population of Mongaup Valley, NY?
236 people lived in Mongaup Valley at the 2020 Census.
What is the ZIP code of Mongaup Valley, NY?
The main ZIP code is 12762. Other ZIP codes: 12778.
What is the elevation of Mongaup Valley?
1,224 feet (373 m) above sea level.
What towns are near Mongaup Valley?
Smallwood (2.2 mi), Kauneonga Lake (2.8 mi), White Lake (3.0 mi), Monticello (5.1 mi), Swan Lake (5.7 mi).
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