Central Islip

Population: 37,751
Median household income: $110,166
Median home value: $405,000

Central Islip, a community in Suffolk County, New York, has 37,751 residents. The median household income of $110,166 is below the Suffolk County median ($128,329).

From 2019 to 2023, Central Islip's population grew 21.0% from 31,205 to 37,751, while its median home value rose 46.8% from $275,800 to $405,000.

Households average 3.86 people. The median gross rent is $2,106.

Demographics

ACS 2019–2023

Population: 37,751
Median age: 33.9 yrs
Median household income: $110,166
Median home value: $405,000
Median gross rent: $2,106
Housing units: 10,660
Homeownership rate: 77.1%
Bachelor's degree or higher: 18.4%
Unemployment rate: 5.6%

Trends

ACS 5-year · 2019–2023

Population

31,20537,751

Median household income

$74,458$110,166

Median home value

$275,800$405,000

Median gross rent

$1,690$2,106

Year	Population	Median household income	Median home value	Median gross rent
2019	31,205	$74,458	$275,800	$1,690
2020	33,591	$79,645	$297,100	$1,803
2021	36,292	$89,778	$318,800	$1,833
2022	36,519	$100,459	$365,700	$2,116
2023	37,751	$110,166	$405,000	$2,106

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

Age distribution

Under 56.5%

5 to 1719.1%

18 to 2410.5%

25 to 3414.9%

35 to 4414.8%

45 to 5412.8%

55 to 6411.0%

65 to 746.0%

75 and over4.5%

	Count	Share
Under 5	2,461	6.5%
5 to 17	7,210	19.1%
18 to 24	3,951	10.5%
25 to 34	5,626	14.9%
35 to 44	5,569	14.8%
45 to 54	4,836	12.8%
55 to 64	4,153	11.0%
65 to 74	2,259	6.0%
75 and over	1,686	4.5%

Race & ethnicity

	Count	Share
White (non-Hispanic)	5,948	15.8%
Black or African American	6,577	17.4%
American Indian & Alaska Native	38	0.1%
Asian	672	1.8%
Native Hawaiian & Pacific Islander	14	0.0%
Some other race	294	0.8%
Two or more races	904	2.4%
Hispanic or Latino (any race)	23,304	61.7%

Educational attainment (age 25+)

No high school diploma23.1%

High school graduate33.5%

Some college or associate's25.1%

Bachelor's degree11.1%

Graduate or professional degree7.2%

	Count	Share
No high school diploma	5,563	23.1%
High school graduate	8,087	33.5%
Some college or associate's	6,049	25.1%
Bachelor's degree	2,682	11.1%
Graduate or professional degree	1,748	7.2%

Commute to work

Mean travel time to work: 28 min

Drove alone75.2%

Carpooled12.9%

Public transit3.1%

Walked0.4%

Bicycle0.9%

Worked from home6.6%

Other means1.0%

How workers get to work

	Count	Share
Drove alone	13,267	75.2%
Carpooled	2,272	12.9%
Public transit	546	3.1%
Walked	64	0.4%
Bicycle	158	0.9%
Worked from home	1,167	6.6%
Other means	170	1.0%

Travel time

	Count	Share
Under 15 min	2,304	14.0%
15 to 29 min	6,995	42.5%
30 to 44 min	4,648	28.2%
45 to 59 min	1,234	7.5%
60+ min	1,296	7.9%

Households

Average household size: 3.86
Poverty rate: 9.3% (3,448 of 36,958)

	Count	Share
Family households	6,985	71.9%
Nonfamily households	2,728	28.1%

Housing

Median year structure built: 1969

Occupancy

	Count	Share
Occupied	9,713	91.1%
Vacant	947	8.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	7,489	77.1%
Renter-occupied	2,224	22.9%

1-unit, detached66.8%

1-unit, attached14.4%

2 to 4 units5.3%

5 to 19 units8.3%

20 or more units5.0%

Mobile home & other0.3%

Units in structure

	Count	Share
1-unit, detached	7,122	66.8%
1-unit, attached	1,535	14.4%
2 to 4 units	561	5.3%
5 to 19 units	887	8.3%
20 or more units	528	5.0%
Mobile home & other	27	0.3%

Geography

Place GEOID: 3613552
Type (LSAD): 57
Land area: 7.15 sq mi
Water area: 0 sq mi
Center point: 40.7836, -73.1945

Compare with nearby cities

Other places in Suffolk County

158