Three Mile Bay

Population: 40
Median household income: $34,875
Median home value: $202,500

Three Mile Bay, a community in Jefferson County, New York, has 40 residents. At $34,875, its median household income sits below Jefferson County's $64,978.

Between 2019 and 2023, Three Mile Bay's population declined 82.2% from 225 to 40, while its median home value rose 27.2% from $159,200 to $202,500.

Households average 2.11 people. 0.0% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 40
Median age: 31.5 yrs
Median household income: $34,875
Median home value: $202,500
Median gross rent: —
Housing units: 36
Homeownership rate: 100.0%
Bachelor's degree or higher: 0.0%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

22540

Median household income

$48,553$34,875

Median home value

$159,200$202,500

Year	Population	Median household income	Median home value
2019	225	$48,553	$159,200
2020	182	$47,647	$159,300
2021	123	—	$88,200
2022	63	$47,813	$190,600
2023	40	$34,875	$202,500

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 1730.0%

18 to 240.0%

25 to 3445.0%

35 to 440.0%

45 to 540.0%

55 to 6425.0%

65 to 740.0%

75 and over0.0%

	Count	Share
Under 5	0	0.0%
5 to 17	12	30.0%
18 to 24	0	0.0%
25 to 34	18	45.0%
35 to 44	0	0.0%
45 to 54	0	0.0%
55 to 64	10	25.0%
65 to 74	0	0.0%
75 and over	0	0.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	40	100.0%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma0.0%

High school graduate35.7%

Some college or associate's64.3%

Bachelor's degree0.0%

Graduate or professional degree0.0%

	Count	Share
No high school diploma	0	0.0%
High school graduate	10	35.7%
Some college or associate's	18	64.3%
Bachelor's degree	0	0.0%
Graduate or professional degree	0	0.0%

Commute to work

Drove alone77.8%

Carpooled22.2%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home0.0%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	14	77.8%
Carpooled	4	22.2%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	0	0.0%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	0	0.0%
15 to 29 min	14	77.8%
30 to 44 min	4	22.2%
45 to 59 min	0	0.0%
60+ min	0	0.0%

Households

Average household size: 2.11
Poverty rate: 10.0% (4 of 40)

	Count	Share
Family households	15	78.9%
Nonfamily households	4	21.1%

Housing

Median year structure built: 1938

Occupancy

	Count	Share
Occupied	19	52.8%
Vacant	17	47.2%

Tenure (of occupied units)

	Count	Share
Owner-occupied	19	100.0%
Renter-occupied	0	0.0%

1-unit, detached52.8%

1-unit, attached0.0%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other47.2%

Units in structure

	Count	Share
1-unit, detached	19	52.8%
1-unit, attached	0	0.0%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	17	47.2%

Geography

Place GEOID: 3673737
Type (LSAD): 57
Land area: 0.28 sq mi
Water area: 0.01 sq mi
Center point: 44.0849, -76.1975