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Islip town, Suffolk County, NY

339,154 Population
103.2 square miles 3,286.4 people per square mile

Census data: ACS 2024 1-year unless noted

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Demographics

38.2 ±1.4 Median age
  • about 90 percent of the figure in Suffolk County: 41.6 ±0.3
  • a little less than the figure in New York: 40.1 ±0.2
  • a little less than the figure in United States: 39.2 ±0.1

Economics

$46,520 ±$2,236 Per capita income
  • about 80 percent of the amount in Suffolk County: $55,754 ±$1,241
  • about 90 percent of the amount in New York: $51,002 ±$412
  • a little higher than the amount in United States: $45,256 ±$100
$127,643 ±$6,938 Median household income
  • about the same as the amount in Suffolk County: $126,863 ±$3,298
  • about 1.5 times the amount in New York: $85,820 ±$653
  • about 1.5 times the amount in United States: $81,604 ±$128

6.1% ±1.4% (20,342  ±4,770) Persons below poverty line
  • about 90 percent of the rate in Suffolk County: 6.5% 98,520 (±0.5% / ±8,121)
  • about two-fifths of the rate in New York: 14% 2,704,799 (±0.3% / ±50,713)
  • about half the rate in United States: 12.2% 40,354,268 (±0.1% / ±248,561)

29.2 minutes ±1.4 (4,811,865  ±280,267) Mean travel time to work
  • about 90 percent of the figure in Suffolk County: 31.3 21,662,976 (±0.7 / ±583,901)
  • about 90 percent of the figure in New York: 33.2 279,586,620 (±0.2 / ±1,926,387)
  • about 10 percent higher than the figure in United States: 27.2 3,895,171,300 (±0 / ±7,663,316)

Families

99,969 ±3,687 Number of households
  • Suffolk County: 509,892 ±4,437
  • New York: 7,828,074 ±18,401
  • United States: 132,737,144 ±140,273
3.4 ±0.1 (334,715  ±233) Persons per household
  • about 10 percent higher than the figure in Suffolk County: 3 1,502,480 (±0 / ±1,214)
  • about 1.4 times the figure in New York: 2.5 19,188,964
  • about 1.3 times the figure in United States: 2.5 331,722,430

5.1% ±1.5% (3,800  ±1,104) Women 15-50 who gave birth during past year
  • a little higher than the rate in Suffolk County: 4.9% † 16,460 (±0.7% / ±2,180)
  • about 10 percent higher than the rate in New York: 4.7% 219,646 (±0.2% / ±8,685)
  • about the same as the rate in United States: 5% 3,971,434 (±0.1% / ±36,997)

Housing

108,024 ±4,083 Number of housing units
  • Suffolk County: 582,899 ±435
  • New York: 8,676,911 ±743
  • United States: 146,740,960 ±8,590

$592,200 ±$9,876 Median value of owner-occupied housing units
  • a little less than the amount in Suffolk County: $626,300 ±$4,881
  • about 1.3 times the amount in New York: $449,800 ±$3,718
  • more than 1.5 times the amount in United States: $360,600 ±$618

5% ±1% (16,850  ±3,361.4) Moved since previous year
  • about 80 percent of the rate in Suffolk County: 6% 91,054 (±0.5% / ±8,103.7)
  • about half the rate in New York: 9.3% 1,836,837 (±0.2% / ±36,336)
  • about two-fifths of the rate in United States: 11.8% 39,597,955 (±0.1% / ±197,294.9)

Social

83.4% ±2.8% (193,458  ±7,478.5) High school grad or higher
  • about 90 percent of the rate in Suffolk County: 90.4% 980,240 (±1.5% / ±15,951.8)
  • a little less than the rate in New York: 88% 12,430,128 (±0.4% / ±58,727.5)
  • about 90 percent of the rate in United States: 89.9% 212,133,683 (±0.1% / ±286,969.9)
31.8% ±1.7% (73,750  ±4,221.4) Bachelor's degree or higher
  • about 80 percent of the rate in Suffolk County: 39.9% 432,438 (±0.9% / ±10,223.1)
  • about three-quarters of the rate in New York: 41.2% 5,819,065 (±0.3% / ±39,724.9)
  • about 90 percent of the rate in United States: 36.9% 86,932,699 (±0.1% / ±187,449.9)

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

24.8% ±2.1% (84,086  ±7,165) Foreign-born population
  • about 1.4 times the rate in Suffolk County: 17.8% 274,055
  • about 10 percent higher than the rate in New York: 23.3% 4,621,382
  • more than 1.5 times the rate in United States: 14.8% 50,234,856

2.9% ±0.6% (7,492  ±1,603) Population with veteran status
  • about 80 percent of the rate in Suffolk County: 3.5% 43,084 (±0.3% / ±3,309)
  • about 80 percent of the rate in New York: 3.5% 550,582 (±0.1% / ±11,292)
  • about half the rate in United States: 5.9% 15,701,246 (±0% / ±75,366)
7,492 Total veterans ±1,603 7,188 Male ±1,537 304 Female ±226

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