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COUNTY

Suffolk County

New York · 1,546,090 residents (2025 est.) · 911 sq mi
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Part of the New York metro area
The short version

Suffolk County is home to 1,530,146 people in New York. Households here earn about 52% more than in New York as a whole. Few US counties rank higher on income. 82% of homes are owner-occupied. The median household earns $130,686, about 59% above the national median. The typical home is worth $578,400, having roughly tripled since 2000.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 41.7
US median: 38.9
More educated
40% hold a bachelor's degree
US average: 36%
Less affordable
home values up 73%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
1,530,146
+8%since 2000
from 1,419,369 in 2000
1,546,090 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
1,680 / sq mi
+1%since 2009
from 1,659 / sq mi in 2009
US average: 281
Median age
41.7
+14%since 2000
from 36.5 in 2000
US average: 38.9
Land area
911 sq mi
Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M19902000201020202024Suffolk County
20241.5M
1990201020202024
Age distribution, 2024
Under 55.3%(81,109)
US avg: 5.6%
5 to 95.4%(82,460)
US avg: 6%
10 to 146.2%(94,632)
US avg: 6.4%
15 to 196.5%(98,924)
US avg: 6.6%
20 to 246.4%(97,372)
US avg: 6.5%
25 to 3412.2%(186,988)
US avg: 13.7%
35 to 4412%(183,585)
US avg: 13.2%
45 to 5413.2%(202,738)
US avg: 12.2%
55 to 6414.9%(228,300)
US avg: 12.7%
65 to 7410.3%(157,473)
US avg: 10.2%
75 to 845.4%(82,400)
US avg: 5.1%
85 and over2.2%(34,165)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$130,686
+10%inflation adjusted, since 2000
from $65,288 in 2000
US average: $82,259
1990 – 2024
Per capita income
$57,164
+115%since 2000
from $26,577 in 2000
US average: $44,673
Households earning $100K+
72.1%
+15.8 ptssince 2009
from 56.2% in 2009
US average: 53.3%
Poverty rate
6.4%
+0.5 ptssince 2000
from 6.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.442
+6%since 2010
from 0.417 in 2010
US average: 0.476
Workforce by industry, 2024
Information10.6%
US avg: 10.8%
Wholesale trade7.8%
US avg: 6.9%
Other services7.1%
US avg: 6.7%
Retail trade6.4%
US avg: 9.9%
Finance & insurance5.6%
US avg: 5.9%
Public administration5.3%
US avg: 4.8%
Professional, scientific, technical4.7%
US avg: 5.1%
Transportation & warehousing2.4%
US avg: 2.2%
Arts, entertainment, food2.1%
US avg: 1.9%
Education & health services0.9%
US avg: 0.9%
Agriculture, forestry, fishing0.4%
US avg: 1.6%
Construction0.4%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$578,400
+73%inflation adjusted, since 2000
from $183,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,255
+31%inflation adjusted, since 2000
from $945 in 2000
US average: $1,442
Owner-occupied
82.2%
+2.4 ptssince 2000
from 79.8% in 2000
17.8% rent
Vacancy rate
11.7%
−0.2 ptssince 2009
from 11.9% in 2009
US average: 10.0%
Persons per household
2.93 people
−5%since 2009
from 3.09 people in 2009
US average: 2.54
Owner cost-burdened
32.7%
−12.2 ptssince 2009
from 44.8% in 2009
US average: 22.9%
Renter cost-burdened
54.3%
+0.6 ptssince 2009
from 53.7% in 2009
US average: 47.4%
Afford Score
4.4
−13%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.
Gentrification Score
48
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
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%
2024
White, non-Hispanic62%(948,898)
Black6.9%(106,126)
Hispanic / Latino22.8%(348,579)
Asian4.4%(67,617)
Other3.9%(58,926)
Diversity Score
69
+35%since 2009
from 51 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
36
−6%since 2020
from 38 in 2020
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 American7.4%(113,963)
Salvadoran5%(77,014)
South American4.7%(72,030)
Puerto Rican4.3%(66,071)
Dominican2.5%(37,910)
Ecuadorian2%(30,197)
Mexican1.5%(23,547)
Colombian1.5%(23,114)
Guatemalan1%(15,499)
Honduran1%(15,177)
Peruvian0.7%(10,744)
Cuban0.5%(7,122)
+ 10 more hispanic origin groups with data
Spaniard0.4%(6,455)
Costa Rican0.2%(2,482)
Chilean0.2%(2,303)
Argentine0.1%(1,899)
Panamanian0.1%(1,780)
Venezuelan0.1%(1,571)
Nicaraguan0.1%(1,540)
Bolivian0.1%(815)
Uruguayan0%(699)
Paraguayan0%(275)
Asian origin
Asian Indian1.3%(20,045)
Chinese1%(15,862)
Pakistani0.6%(9,752)
Filipino0.4%(5,636)
Korean0.3%(4,967)
Bangladeshi0.2%(2,411)
Vietnamese0.1%(1,068)
Nepalese0.1%(976)
Kazakh0.1%(964)
Japanese0%(738)
Sri Lankan0%(592)
Taiwanese0%(429)
+ 6 more asian origin groups with data
Thai0%(356)
Indonesian0%(282)
Burmese0%(245)
Laotian0%(75)
Cambodian0%(49)
Malaysian0%(48)
Pacific Islander origin
Samoan0%(196)
Chamorro0%(88)
Tongan0%(71)
Guamanian0%(14)
Fijian0%(12)
Ancestry
Italian20.6%(314,782)
Irish16.2%(247,260)
German11%(168,143)
English4.2%(64,519)
Polish4%(61,286)
American3.9%(59,196)
West Indian2.1%(32,384)
Russian1.5%(23,685)
Greek1.2%(18,288)
French1%(15,249)
Haitian0.9%(14,486)
Scottish0.8%(11,877)
+ 50 more ancestry groups with data
Jamaican0.7%(11,280)
Norwegian0.6%(9,368)
Dutch0.5%(7,806)
Ukrainian0.5%(7,686)
Swedish0.5%(6,963)
Hungarian0.4%(6,719)
Arab0.4%(6,449)
Turkish0.4%(6,443)
Austrian0.4%(5,814)
Portuguese0.4%(5,797)
Czech0.3%(4,626)
Lithuanian0.3%(4,085)
Guyanese0.3%(4,053)
Scotch-Irish0.2%(3,561)
French Canadian0.2%(3,203)
Danish0.2%(2,482)
Welsh0.2%(2,372)
Brazilian0.2%(2,299)
Croatian0.1%(2,210)
British0.1%(2,172)
Armenian0.1%(2,135)
Swiss0.1%(1,953)
Romanian0.1%(1,930)
Egyptian0.1%(1,759)
Nigerian0.1%(1,736)
Finnish0.1%(1,727)
Lebanese0.1%(1,473)
Canadian0.1%(1,439)
Ghanaian0.1%(1,258)
Iranian0.1%(1,219)
Slovak0.1%(1,193)
Israeli0.1%(988)
Belgian0.1%(849)
Syrian0.1%(782)
Jordanian0%(598)
Latvian0%(556)
Barbadian0%(515)
Moroccan0%(500)
Serbian0%(385)
Australian0%(256)
Iraqi0%(168)
Slovene0%(165)
Bulgarian0%(140)
Ethiopian0%(96)
Kenyan0%(19)
Section 05

Education

Bachelor's degree or higher
40.2%
+12.7 ptssince 2000
from 27.5% in 2000
US average: 35.6%
High school or higher
90.4%
+4.3 ptssince 2000
from 86.2% in 2000
US average: 89.6%
Graduate degree
18.6%
+6.7 ptssince 2000
from 11.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
31.1 min
+36%since 2000
from 22.8 min in 2000
US average: 26.5
Drive alone to work
72.1%
−7.3 ptssince 2009
from 79.3% in 2009
US average: 68.9%
Carpooled to work
7.5%
−1.0 ptssince 2009
from 8.5% in 2009
US average: 8.5%
Public transit
4.8%
−1.3 ptssince 2009
from 6.1% in 2009
US average: 3.2%
Worked from home
12.0%
+8.6 ptssince 2009
from 3.5% in 2009
US average: 15.0%
Walked to work
1.4%
−0.1 ptssince 2009
from 1.5% in 2009
US average: 2.4%
Biked to work
0.2%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
5.1%
+0.4 ptssince 2009
from 4.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.7%
−1.7 ptssince 2011
from 6.4% in 2011
US average: 5.2%
Labor force participation
65.5%
−0.9 ptssince 2011
from 66.5% in 2011
US average: 63.5%
Women 20-64 in the labor force
77.4%
+1.8 ptssince 2020
from 75.6% in 2020
US average: 74.6%
Self-employed
17.3%
+1.2 ptssince 2009
from 16.1% in 2009
US average: 13.1%
Management & professional
44.4%
+7.0 ptssince 2009
from 37.4% in 2009
US average: 42.5%
Section 08

People & community

Male
49.6%
+0.3 ptssince 2009
from 49.3% in 2009
Female
50.4%
−0.3 ptssince 2009
from 50.7% in 2009
Foreign born
16.8%
+3.7 ptssince 2009
from 13.1% in 2009
US average: 14.1%
Veterans
4.0%
−4.8 ptssince 2009
from 8.8% in 2009
US average: 6.2%
With a disability
10.5%
+1.6 ptssince 2012
from 8.9% in 2012
US average: 13.3%
Uninsured
4.7%
−5.1 ptssince 2013
from 9.8% in 2013
US average: 8.4%
Broadband at home
93.2%
+7.5 ptssince 2017
from 85.7% in 2017
US average: 91.0%
Computer in household
96.5%
+2.7 ptssince 2020
from 93.8% in 2020
US average: 95.5%
Same house as last year
92.8%
−0.1 ptssince 2020
from 92.8% in 2020
US average: 87.7%
English only at home
75.2%
−2.3 ptssince 2016
from 77.5% in 2016
US average: 77.7%
Spanish at home
16.1%
+2.2 ptssince 2016
from 13.9% in 2016
US average: 13.6%
Marital status
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
4.7%
−5.1 ptssince 2013
from 9.8% in 2013
US average: 8.4%
Employer-based
64.8%
−3.3 ptssince 2020
from 68.1% in 2020
US average: 54.8%
Direct-purchase
15.5%
+1.4 ptssince 2020
from 14.1% in 2020
US average: 13.8%
Medicare
18.9%
+0.9 ptssince 2020
from 18.0% in 2020
US average: 18.4%
Medicaid
16.6%
+1.7 ptssince 2020
from 14.9% in 2020
US average: 20.9%
VA health care
1.2%
−0.2 ptssince 2020
from 1.4% in 2020
US average: 2.2%
Any private
77.0%
−2.4 ptssince 2020
from 79.4% in 2020
US average: 67.1%
Any public
32.4%
+2.0 ptssince 2020
from 30.4% in 2020
US average: 36.7%

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, 2024
Gulf War (2001 or later)16.5%(7,974)
US avg: 26.4%
Gulf War (1990s)14.4%(6,944)
US avg: 24.3%
Vietnam era38.5%(18,588)
US avg: 33.1%
Korean War8.7%(4,179)
US avg: 4.5%
World War II1.7%(833)
US avg: 1%

Share of the 48,220 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

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Head to head

Compare Suffolk County to nearby counties

SUFFOLK COUNTY VS
South Central Connecticut Planning Region
Income$88,197−33%
Home value$353,100−39%
Population578,741−63%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Greater Bridgeport Planning Region
Income$89,667−31%
Home value$428,800−26%
Population337,697−78%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Lower Connecticut River Valley Planning Region
Income$104,428−20%
Home value$379,700−34%
Population177,311−89%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Naugatuck Valley Planning Region
Income$86,191−34%
Home value$317,700−45%
Population463,349−70%
SEE FULL COMPARISON →
Frequently asked

How many people live in Suffolk County, New York?

Suffolk County, New York has about 1,530,146 residents according to the 2024 American Community Survey.

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

The typical household in Suffolk County, New York earns about $130,686 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 $578,400, and the typical rent is about $2,255 a month.

How educated are people in Suffolk County, New York?

About 40.2% 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 6.4% 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 208,282 residents, a change of about 16 percent over that period.

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

How we source and harmonize this data →