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Islip town, Suffolk County, NY

336,813 Population
103.2 square miles 3,263.7 people per square mile

Census data: ACS 2023 1-year unless noted

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Demographics

39.5 ±1.3 Median age
  • a little less than the figure in Suffolk County: 42.1 ±0.2
  • about the same as the figure in New York: 40.2 ±0.2

Economics

$42,526 ±$1,702 Per capita income
  • about 80 percent of the amount in Suffolk County: $53,222 ±$1,068
  • about 90 percent of the amount in New York: $48,847 ±$350
$118,465 ±$6,816 Median household income
  • a little less than the amount in Suffolk County: $124,045 ±$3,226
  • about 1.4 times the amount in New York: $82,095 ±$500

6.8% ±1.3% (22,547  ±4,221) Persons below poverty line
  • about the same as the rate in Suffolk County: 6.8% 101,811 (±0.6% / ±8,521)
  • about half the rate in New York: 14.2% 2,702,955 (±0.3% / ±50,606)

28.6 minutes ±1.2 (4,581,160  ±263,242) Mean travel time to work
  • about 90 percent of the figure in Suffolk County: 32.3 22,147,660 (±0.8 / ±643,579)
  • about 90 percent of the figure in New York: 32.8 270,341,980 (±0.2 / ±2,010,778)

Families

100,500 ±3,451 Number of households
  • Suffolk County: 508,809 ±3,580
  • New York: 7,809,267 ±17,008
3.3 ±0.1 (333,591  ±97) Persons per household
  • about 10 percent higher than the figure in Suffolk County: 2.9 1,495,492 (±0 / ±915)
  • about 1.4 times the figure in New York: 2.4 18,954,246

4.9% ±1.4% (3,771  ±1,049) Women 15-50 who gave birth during past year
  • about 90 percent of the rate in Suffolk County: 5.4% † 17,755 (±0.6% / ±2,091)
  • about the same as the rate in New York: 4.9% 223,651 (±0.2% / ±9,540)

Housing

107,429 ±3,231 Number of housing units
  • Suffolk County: 581,867 ±316
  • New York: 8,631,232 ±832

$541,000 ±$13,631 Median value of owner-occupied housing units
  • about 90 percent of the amount in Suffolk County: $584,800 ±$6,380
  • about 1.3 times the amount in New York: $420,200 ±$4,220

6% ±1.1% (20,205  ±3,577.8) Moved since previous year
  • about 90 percent of the rate in Suffolk County: 6.7% 100,431 (±0.6% / ±8,717.3)
  • about three-fifths of the rate in New York: 9.6% 1,865,276 (±0.2% / ±35,369.7)

Social

86.3% ±2.8% (198,311  ±7,634.6) High school grad or higher
  • a little less than the rate in Suffolk County: 91.4% 982,385 (±1.5% / ±15,768.2)
  • about the same as the rate in New York: 88.3% 12,264,360 (±0.4% / ±57,263.1)
32.2% ±1.9% (73,978  ±4,523.9) Bachelor's degree or higher
  • about 80 percent of the rate in Suffolk County: 40.4% 434,381 (±0.9% / ±9,999.3)
  • about 80 percent of the rate in New York: 40.6% 5,642,907 (±0.3% / ±38,336)

N/A Persons with language other than English spoken at home

23.3% ±2.1% (78,353  ±7,095) Foreign-born population
  • about 1.4 times the rate in Suffolk County: 17.2% 261,745
  • about the same as the rate in New York: 23.1% 4,517,996

3.7% ±0.6% (9,566  ±1,660) Population with veteran status
  • about 90 percent of the rate in Suffolk County: 4.1% 49,650 (±0.3% / ±3,192)
  • about the same as the rate in New York: 3.6% 563,400 (±0.1% / ±10,870)
9,566 Total veterans ±1,660 9,020 Male ±1,510 546 Female ±398

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