Three Mile Bay Flag

Three Mile Bay

County Seat:
No
Area (mi²):
0.283
State:
New York

Three Mile Bay is a CDP located in Jefferson County, New York. Three Mile Bay has a 2026 population of 11. Three Mile Bay is currently declining at a rate of -57.69% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Three Mile Bay is $34,464 with a poverty rate of 9.09%. The median age in Three Mile Bay is 41.5 years: 43.1 years for males, and 41.3 years for females. For every 100 females there are 120.0 males.

11
Total Population
39
Density (mi²)
-15 -57.69%
Growth

Three Mile Bay Population

Three Mile Bay Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202511-15-57.69%

Median Age

Overall: 41.5 years
Female: 41.3 years
Male: 43.1 years

Three Mile Bay Adults

There are 37 adults, (0 of whom are seniors) in Three Mile Bay.

Sex Ratio

Female: 20 (45.5%)
Male: 24 (54.5%)

Demographics

The racial composition of Three Mile Bay includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White44100%
Race
Population ↓
Percentage (of total)
White44100%

Three Mile Bay Marital Status

Economics and Income Statistics

Three Mile Bay 's average per capita income is $32,679. Household income levels show a median of $34,464. The poverty rate stands at 9.09%.

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
Households$34,464$39,265
Families--
Married Families--
Non Families--

$32,679

Average Income

$34,464

Median Household Income

9.09%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)