Mongaup Valley

County:: Sullivan County
County Seat:: No
Area (mi²):: 5.016
State:: New York

Mongaup Valley is a CDP located in Sullivan County, New York. Mongaup Valley has a 2025 population of 265. Mongaup Valley is currently growing at a rate of 7.29% annually but its population has decreased by -61.54% since the most recent census, which recorded a population of 689 in 2020.

The average household income in Mongaup Valley is $103,317 with a poverty rate of 0%.The median age in Mongaup Valley is 54.5 years: 53.3 years for males, and 57.8 years for females.

Demographics

The racial composition of Mongaup Valley includes 77.32% White, 22.68% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	208	77.32%
Black or African American	61	22.68%

Mongaup Valley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mongaup Valley's average per capita income is $58,333. Household income levels show a median of $113,192. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$113,281	$104,729
Married Families	$113,281	-
Households	$113,192	$103,317
Non Families	-	-

$58,333

Average Income

$113,192

Median Household Income

0%

Poverty Rate