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Suffolk County, NY

1,523,170 Population
910.9 square miles 1,672.1 people per square mile

Census data: ACS 2023 1-year unless noted

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Demographics

42.1 ±0.2 Median age
  • a little higher than the figure in New York: 40.2 ±0.2
  • about 10 percent higher than the figure in United States: 39.2 ±0.1

Population by age category

18 to 6461%
  • Under 18
  • 18 to 64
  • 65 and over
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Female50%
  • Male
  • Female
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61%White7%Black0%Native5%Asian0%Islander1%Other3%Two+23%Hispanic
* Hispanic includes respondents of any race. Other categories are non-Hispanic.
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Economics

$53,222 ±$1,068 Per capita income
  • about 10 percent higher than the amount in New York: $48,847 ±$350
  • about 25 percent higher than the amount in United States: $43,313 ±$91
$124,045 ±$3,226 Median household income
  • about 1.5 times the amount in New York: $82,095 ±$500
  • about 1.5 times the amount in United States: $77,719 ±$186

6.8% ±0.6% (101,811  ±8,521) Persons below poverty line
  • about half the rate in New York: 14.2% 2,702,955 (±0.3% / ±50,606)
  • about half the rate in United States: 12.5% 40,763,044 (±0.1% / ±277,214)

Children (Under 18)

Poverty8%†
  • Poverty
  • Non-poverty
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Seniors (65 and over)

Poverty8%†
  • Poverty
  • Non-poverty
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32.3 minutes ±0.8 (22,147,660  ±643,579) Mean travel time to work
  • about the same as the figure in New York: 32.8 270,341,980 (±0.2 / ±2,010,778)
  • about 20 percent higher than the figure in United States: 26.8 3,749,033,000 (±0 / ±7,372,533)

Families

508,809 ±3,580 Number of households
  • New York: 7,809,267 ±17,008
  • United States: 131,332,360 ±130,190
2.9 ±0 (1,495,492  ±915) Persons per household
  • about 20 percent higher than the figure in New York: 2.4 18,954,246
  • about 20 percent higher than the figure in United States: 2.5 326,701,630

Population by household type

Married couples67%
  • Married couples
  • Male householder
  • Female householder
  • Non-family
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Married51%
  • Married
  • Single
* Universe: Population 15 years and over
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Marital status, by sex

Never marriedMale37%Female32%
Now marriedMale53%Female49%
DivorcedMale8%Female10%
WidowedMale3%†Female9%
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5.4% ±0.6% (17,755  ±2,091) Women 15-50 who gave birth during past year
  • about 10 percent higher than the rate in New York: 4.9% 223,651 (±0.2% / ±9,540)
  • a little higher than the rate in United States: 5.2% 4,018,933 (±0.1% / ±41,679)

Women who gave birth during past year, by age group

0%†15-192%†20-248%†25-2911%†30-359%†35-396%†40-442%†45-50
* Universe: Women 15 to 50 years
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Housing

581,867 ±316 Number of housing units
  • New York: 8,631,232 ±832
  • United States: 145,333,460 ±10,062

Occupied vs. Vacant

Occupied87%
  • Occupied
  • Vacant
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Ownership of occupied units

Owner occupied81%
  • Owner occupied
  • Renter occupied
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Types of structure

Single unit85%
  • Single unit
  • Multi-unit
  • Mobile home
  • Boat, RV, van, etc.
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$584,800 ±$6,380 Median value of owner-occupied housing units
  • about 1.4 times the amount in New York: $420,200 ±$4,220
  • more than 1.5 times the amount in United States: $340,200 ±$571

6.7% ±0.6% (100,431  ±8,717.3) Moved since previous year
  • about two-thirds of the rate in New York: 9.6% 1,865,276 (±0.2% / ±35,369.7)
  • about half the rate in United States: 12.1% 40,001,900 (±0.1% / ±198,133.8)

Social

91.4% ±1.5% (982,385  ±15,768.2) High school grad or higher
  • a little higher than the rate in New York: 88.3% 12,264,360 (±0.4% / ±57,263.1)
  • about the same as the rate in United States: 89.8% 208,092,664 (±0.1% / ±278,776.4)
40.4% ±0.9% (434,381  ±9,999.3) Bachelor's degree or higher
  • about the same as the rate in New York: 40.6% 5,642,907 (±0.3% / ±38,336)
  • about 10 percent higher than the rate in United States: 36.2% 83,816,088 (±0.1% / ±181,834.5)

Population by highest level of education

9%No degree25%High school26%Some college22%Bachelor's19%Post-grad
* Universe: Population 25 years and over
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25.8% ±0.9% (372,269  ±13,560.8) Persons with language other than English spoken at home
  • about 80 percent of the rate in New York: 31% 5,738,521 (±0.3% / ±53,509.4)
  • about 20 percent higher than the rate in United States: 22.5% 71,109,120 (±0.1% / ±222,236.2)

Language at home, children 5-17

English only72%
  • English only
  • Spanish
  • Indo-European
  • Asian/Islander
  • Other
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Language at home, adults 18+

English only75%
  • English only
  • Spanish
  • Indo-European
  • Asian/Islander
  • Other
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17.2% (261,745  ±9,706) Foreign-born population
  • about three-quarters of the rate in New York: 23.1% 4,517,996
  • about 20 percent higher than the rate in United States: 14.3% 47,831,412

Place of birth for foreign-born population

14%Europe20%Asia3%†Africa0%†Oceania62%Latin America1%†Northern America
* ACS 2023 5-year data
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4.1% ±0.3% (49,650  ±3,192) Population with veteran status
  • about 10 percent higher than the rate in New York: 3.6% 563,400 (±0.1% / ±10,870)
  • about two-thirds of the rate in United States: 6.1% 15,813,955 (±0% / ±66,116)

Veterans by wartime service

577†WWII2,360†Korea21,191Vietnam6,848†Gulf (1990s)10,086†Gulf (2001-)
* Civilian veterans who served during wartime only
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49,650 Total veterans ±3,192 46,848 Male ±2,909 2,802 Female ±971

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This profile displays data from more than one ACS release. Charts not derived from ACS 2023 1-year data are noted with an *.

Citation: U.S. Census Bureau (2023). American Community Survey 1-year estimates. Retrieved from Census Reporter Profile page for Suffolk County, NY <http://censusreporter.org/profiles/05000US36103-suffolk-county-ny/>

Citation: U.S. Census Bureau (2023). American Community Survey 5-year estimates. Retrieved from Census Reporter Profile page for Suffolk County, NY <http://censusreporter.org/profiles/05000US36103-suffolk-county-ny/>