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COUNTY · 2020 ACS

Suffolk County

New York · 1,525,920 residents · 911 sq mi
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The short version

Suffolk County is home to 1,525,920 people in New York. That is roughly 48% ahead of the New York median. 78% of homes are owner-occupied. The median household earns $105,362, about 59% above the national median. The typical home is worth $413,900, having more than doubled since 2000. Median rent is $1,810 a month.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.0
US median: 38.8
More educated
37% hold a bachelor's degree
US average: 33%
Less affordable
home values up 50%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
1,525,920
+8%since 2000
from 1,419,369 in 2000
1990 – 2025
Median age
42.0
+15%since 2000
from 36.5 in 2000
US average: 38.8
Land area
911 sq mi
Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M19902000201020202024Suffolk County
20241.5M
1990201020202024
Age distribution, 2020
Under 54.8%(72,499)
US avg: 5.6%
5 to 95.4%(81,726)
US avg: 6.1%
10 to 146.2%(94,680)
US avg: 6.5%
15 to 196.8%(103,983)
US avg: 6.6%
20 to 246.5%(99,831)
US avg: 6.7%
25 to 3412%(182,401)
US avg: 13.5%
35 to 4411.8%(180,652)
US avg: 12.7%
45 to 5413.8%(210,792)
US avg: 12.3%
55 to 6415%(228,614)
US avg: 13.1%
65 to 7410%(153,205)
US avg: 10%
75 to 845.4%(82,184)
US avg: 4.9%
85 and over2.3%(35,353)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$105,362
+7%inflation adjusted, since 2000
from $65,288 in 2000
US average: $66,278
1990 – 2024
Per capita income
$46,466
+75%since 2000
from $26,577 in 2000
US average: $35,364
Households earning $100K+
64.9%
+8.6 ptssince 2009
from 56.2% in 2009
US average: 43.9%
Poverty rate
6.5%
+0.5 ptssince 2000
from 6.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.1%
US avg: 11.1%
Wholesale trade7.6%
US avg: 6.7%
Other services7%
US avg: 6.6%
Retail trade6.6%
US avg: 10%
Finance & insurance5.6%
US avg: 5.5%
Public administration5.3%
US avg: 4.7%
Professional, scientific, technical4.8%
US avg: 4.7%
Transportation & warehousing3.2%
US avg: 2.5%
Arts, entertainment, food2.4%
US avg: 2%
Education & health services0.8%
US avg: 0.8%
Agriculture, forestry, fishing0.4%
US avg: 1.7%
Construction0.4%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$413,900
+50%inflation adjusted, since 2000
from $183,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,810
+27%inflation adjusted, since 2000
from $945 in 2000
US average: $1,124
Owner-occupied
78.4%
−1.4 ptssince 2000
from 79.8% in 2000
21.6% rent
Persons per household
2.93 people
−5%since 2009
from 3.09 people in 2009
US average: 2.61
Afford Score
3.9
−23%since 2009
from 5.1 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic78.8%(1,118,405)
Black6.6%(93,262)
Hispanic / Latino10.5%(149,411)
Asian2.4%(34,355)
Other0%
2020
White, non-Hispanic63.4%(967,330)
Black7%(107,268)
Hispanic / Latino21.8%(332,959)
Asian4.3%(65,019)
Other2.3%(34,792)
Segregation Score
38
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Central American5.6%(83,239)
Puerto Rican5%(73,713)
South American3.9%(58,422)
Salvadoran3.9%(57,212)
Dominican1.9%(28,347)
Ecuadorian1.6%(23,156)
Colombian1.3%(18,743)
Mexican1%(15,420)
Guatemalan0.7%(10,962)
Honduran0.7%(10,309)
Peruvian0.7%(9,796)
Spaniard0.5%(7,060)
+ 10 more hispanic origin groups with data
Cuban0.4%(6,337)
Costa Rican0.2%(2,326)
Chilean0.1%(1,885)
Argentine0.1%(1,791)
Panamanian0.1%(1,105)
Venezuelan0.1%(1,015)
Bolivian0.1%(815)
Nicaraguan0.1%(747)
Uruguayan0%(619)
Paraguayan0%(458)
Asian origin
Asian Indian1.1%(16,778)
Chinese1%(15,005)
Pakistani0.6%(9,581)
Filipino0.4%(5,352)
Korean0.3%(5,135)
Bangladeshi0.1%(2,047)
Vietnamese0.1%(1,602)
Taiwanese0.1%(898)
Japanese0.1%(861)
Sri Lankan0%(343)
Indonesian0%(300)
Thai0%(195)
+ 5 more asian origin groups with data
Burmese0%(141)
Nepalese0%(76)
Laotian0%(62)
Malaysian0%(35)
Cambodian0%(31)
Pacific Islander origin
Chamorro0%(201)
Samoan0%(108)
Fijian0%(8)
Ancestry
Italian23.3%(344,848)
Irish17.6%(261,068)
German12.8%(189,132)
American5.5%(81,293)
Polish4.7%(69,603)
English4.4%(65,197)
West Indian2%(29,860)
Russian1.9%(28,272)
Greek1.3%(18,523)
French1.2%(18,338)
Scottish0.9%(13,174)
Haitian0.8%(11,872)
+ 50 more ancestry groups with data
Norwegian0.8%(11,514)
Jamaican0.7%(10,574)
Subsaharan African0.7%(10,484)
Swedish0.6%(8,720)
Dutch0.6%(8,591)
Hungarian0.6%(8,322)
Ukrainian0.5%(7,555)
Austrian0.4%(6,501)
Portuguese0.4%(5,942)
Turkish0.4%(5,936)
Lithuanian0.4%(5,289)
Czech0.3%(5,135)
French Canadian0.3%(4,385)
British0.3%(3,964)
Scotch-Irish0.3%(3,912)
Guyanese0.2%(3,316)
Danish0.2%(3,209)
Welsh0.2%(3,178)
Romanian0.2%(2,816)
Croatian0.2%(2,597)
Armenian0.2%(2,564)
Nigerian0.2%(2,289)
Swiss0.1%(2,144)
Canadian0.1%(2,139)
Brazilian0.1%(2,064)
Egyptian0.1%(1,723)
Slovak0.1%(1,471)
Lebanese0.1%(1,347)
Ghanaian0.1%(1,280)
Finnish0.1%(1,272)
Israeli0.1%(1,153)
Iranian0.1%(891)
Belgian0.1%(889)
Syrian0.1%(788)
Jordanian0%(616)
Barbadian0%(571)
Latvian0%(458)
Slovene0%(441)
Moroccan0%(406)
Serbian0%(315)
Iraqi0%(288)
Australian0%(273)
Arab0%(245)
Ethiopian0%(149)
Bulgarian0%(127)
Kenyan0%(17)
Section 05

Education

Bachelor's degree or higher
37.3%
+9.9 ptssince 2000
from 27.5% in 2000
US average: 32.9%
High school or higher
90.4%
+4.2 ptssince 2000
from 86.2% in 2000
US average: 88.5%
Graduate degree
16.9%
+5.1 ptssince 2000
from 11.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
32.4 min
+42%since 2000
from 22.8 min in 2000
US average: 26.9
Drive alone to work
78.1%
−1.2 ptssince 2009
from 79.3% in 2009
US average: 75.1%
No vehicle available
5.5%
+0.8 ptssince 2009
from 4.7% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.5%
−1.9 ptssince 2011
from 6.4% in 2011
US average: 5.4%
Labor force participation
65.4%
−1.1 ptssince 2011
from 66.5% in 2011
US average: 63.4%
Women 20-64 in the labor force
75.6%
US average: 73.3%
Management & professional
41.4%
+4.0 ptssince 2009
from 37.4% in 2009
US average: 39.3%
Section 08

People & community

Male
49.2%
−0.1 ptssince 2009
from 49.3% in 2009
Female
50.8%
+0.1 ptssince 2009
from 50.7% in 2009
Foreign born
15.3%
+2.2 ptssince 2009
from 13.1% in 2009
US average: 13.5%
Uninsured
4.2%
−5.6 ptssince 2013
from 9.8% in 2013
US average: 8.8%
Computer in household
93.8%
US average: 91.9%
Same house as last year
92.8%
US average: 86.2%
Marital status (2024)
Men 15+
Never married37.1%(232,476)
Married53.4%(334,698)
Widowed2.7%(16,949)
Divorced6.9%(43,181)
Women 15+
Never married31.4%(202,612)
Married49.8%(321,223)
Widowed8.7%(56,211)
Divorced10%(64,595)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
4.2%
−5.6 ptssince 2013
from 9.8% in 2013
US average: 8.8%
Employer-based
68.1%
US average: 55.4%
Direct-purchase
14.1%
US average: 13.7%
Medicare
18.0%
US average: 17.6%
Medicaid
14.9%
US average: 20.0%
VA health care
1.4%
US average: 2.3%
Any private
79.4%
US average: 68.1%
Any public
30.4%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)11.3%(6,624)
US avg: 20.6%
Gulf War (1990s)11.5%(6,785)
US avg: 21.4%
Vietnam era38.3%(22,501)
US avg: 35.2%
Korean War12.9%(7,591)
US avg: 7.6%
World War II4.6%(2,719)
US avg: 2.9%

Share of the 58,822 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Suffolk County

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Pop 1,636,630
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Places similar to Suffolk County
Head to head

Compare Suffolk County to nearby counties

SUFFOLK COUNTY VS
South Central Connecticut Planning Region
Income$88,197−16%
Home value$353,100−15%
Population578,741−63%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Greater Bridgeport Planning Region
Income$89,667−15%
Home value$428,800+4%
Population337,697−78%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Lower Connecticut River Valley Planning Region
Income$104,428−1%
Home value$379,700−8%
Population177,311−89%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Naugatuck Valley Planning Region
Income$86,191−18%
Home value$317,700−23%
Population463,349−70%
SEE FULL COMPARISON →
Frequently asked

How many people live in Suffolk County, New York?

Suffolk County, New York has about 1,525,920 residents according to the 2020 American Community Survey.

What is the median household income in Suffolk County, New York?

The typical household in Suffolk County, New York earns about $105,362 a year. Half of households make more than that, and half make less.

Is Suffolk County, New York expensive?

In Suffolk County, New York, the median home is worth about $413,900, and the typical rent is about $1,810 a month.

How educated are people in Suffolk County, New York?

About 37.3% of adults age 25 and over in Suffolk County, New York hold a bachelor's degree or higher.

What is the poverty rate in Suffolk County, New York?

About 6.5% of people in Suffolk County, New York live below the federal poverty line.

Has Suffolk County, New York grown since 1990?

Yes, Suffolk County, New York has grown since 1990. The population has added about 204,056 residents, a change of about 15 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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