Islandia

Population: 3,581
Median household income: $112,435
Median home value: $451,700

Islandia is a community in Suffolk County, New York, home to 3,581 residents. The median household income of $112,435 is below the Suffolk County median ($128,329).

From 2019 to 2023, Islandia's population grew 7.2% from 3,341 to 3,581, while its median home value rose 40.7% from $321,100 to $451,700.

83.7% of workers drive to work alone. 82.2% of homes are single-family detached houses.

Demographics

ACS 2019–2023

Population: 3,581
Median age: 39.1 yrs
Median household income: $112,435
Median home value: $451,700
Median gross rent: $1,781
Housing units: 1,324
Homeownership rate: 96.3%
Bachelor's degree or higher: 30.8%
Unemployment rate: 3.6%

Trends

ACS 5-year · 2019–2023

Population

3,3413,581

Median household income

$93,555$112,435

Median home value

$321,100$451,700

Median gross rent

$1,836$1,781

Year	Population	Median household income	Median home value	Median gross rent
2019	3,341	$93,555	$321,100	$1,836
2020	3,315	$82,500	$331,100	$1,884
2021	3,541	$100,771	$351,800	—
2022	3,568	$109,964	$422,500	$1,830
2023	3,581	$112,435	$451,700	$1,781

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

Age distribution

Under 53.3%

5 to 1711.4%

18 to 247.0%

25 to 3421.1%

35 to 4411.3%

45 to 5411.6%

55 to 6417.5%

65 to 7411.1%

75 and over5.7%

	Count	Share
Under 5	118	3.3%
5 to 17	409	11.4%
18 to 24	250	7.0%
25 to 34	756	21.1%
35 to 44	404	11.3%
45 to 54	415	11.6%
55 to 64	626	17.5%
65 to 74	399	11.1%
75 and over	204	5.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,135	31.7%
Black or African American	468	13.1%
American Indian & Alaska Native	121	3.4%
Asian	201	5.6%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	232	6.5%
Two or more races	124	3.5%
Hispanic or Latino (any race)	1,300	36.3%

Educational attainment (age 25+)

No high school diploma11.4%

High school graduate29.2%

Some college or associate's28.6%

Bachelor's degree17.9%

Graduate or professional degree12.9%

	Count	Share
No high school diploma	319	11.4%
High school graduate	820	29.2%
Some college or associate's	802	28.6%
Bachelor's degree	502	17.9%
Graduate or professional degree	361	12.9%

Commute to work

Mean travel time to work: 29 min

Drove alone83.7%

Carpooled5.5%

Public transit1.3%

Walked0.5%

Bicycle0.0%

Worked from home6.3%

Other means2.8%

How workers get to work

	Count	Share
Drove alone	1,655	83.7%
Carpooled	109	5.5%
Public transit	26	1.3%
Walked	9	0.5%
Bicycle	0	0.0%
Worked from home	124	6.3%
Other means	55	2.8%

Travel time

	Count	Share
Under 15 min	370	20.0%
15 to 29 min	756	40.8%
30 to 44 min	419	22.6%
45 to 59 min	116	6.3%
60+ min	193	10.4%

Households

Average household size: 2.83
Poverty rate: 3.4% (119 of 3,546)

	Count	Share
Family households	973	78.4%
Nonfamily households	268	21.6%

Housing

Median year structure built: 1969

Occupancy

	Count	Share
Occupied	1,241	93.7%
Vacant	83	6.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,195	96.3%
Renter-occupied	46	3.7%

1-unit, detached82.2%

1-unit, attached7.6%

2 to 4 units0.2%

5 to 19 units7.6%

20 or more units2.3%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	1,088	82.2%
1-unit, attached	101	7.6%
2 to 4 units	3	0.2%
5 to 19 units	101	7.6%
20 or more units	31	2.3%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3637840
Type (LSAD): 47
Land area: 2.21 sq mi
Water area: 0 sq mi
Center point: 40.8069, -73.1711

Compare with nearby cities

Other places in Suffolk County

158