CensusEasy
COUNTY

Suffolk County

New York · 1,546,090 residents (2025 est.) · 910.922 sq mi
Time machine
COMPARE TO
Part of the New York metro area
Compare
Notable rankings
#13Highest median rentof 3,137$2,255#27Largest by populationof 3,1441,546,090#31Highest median household incomeof 3,143$130,686#87Most densely populatedof 3,1441,697
The short version

Suffolk County is significantly wealthier than the US average, with a median household income of $130,686. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $578,400. It ranks in the top 1% of US counties for household income. Households here earn about 52% more than the New York median.

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
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

PEP 2025 EST:1,546,090 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M1990201020202024Suffolk 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%
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
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
48
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Suffolk County on RentDataNow
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)
RANKED:Largest Italian population · Largest Irish population · Largest German population · Largest Central American population · Largest Salvadoran population
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%
Self-employed
17.3%
+1.2 ptssince 2009
from 16.1% in 2009
US average: 13.1%
Management & professional
44.4%
−20.2 ptssince 2009
from 64.6% 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%
−44.7 ptssince 2009
from 48.7% 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%
−85.5 ptssince 2013
from 90.2% in 2013
US average: 8.4%
Broadband at home
93.2%
+7.5 ptssince 2017
from 85.7% in 2017
US average: 91.0%
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
Drill deeper

Places similar to Suffolk County

Alameda County
Pop 1,636,630
Middlesex County
Pop 1,669,979
Collin County
Pop 1,297,179
Contra Costa County
Pop 1,170,070
Places similar to Suffolk County
Head to head

Compare Suffolk County to nearby counties

SUFFOLK COUNTY VS
South Central Connecticut Planning Region
Income$88,197−33%
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.

Keep going

Explore from here

371 census tracts (top 20 by population)
Census Tract 1580.15Census Tract 1460.05Census Tract 1594.07Census Tract 1697.01Census Tract 1585.14Census Tract 1354.02Census Tract 1232.04Census Tract 1594.10Census Tract 1464.03Census Tract 1698Census Tract 1475.05Census Tract 1595.11Census Tract 1583.04Census Tract 1591.08Census Tract 1237.01Census Tract 1459.03Census Tract 1587.12Census Tract 1585.10Census Tract 1118.01Census Tract 1595.16
106 ZIP codes (top 30 by population)
ZIP 11706ZIP 11746ZIP 11772ZIP 11757ZIP 11743ZIP 11704ZIP 11722ZIP 11779ZIP 11787ZIP 11901ZIP 11735ZIP 11731ZIP 11763ZIP 11701ZIP 11720ZIP 11725ZIP 11727ZIP 11967ZIP 11729ZIP 11741ZIP 11784ZIP 11795ZIP 11776ZIP 11768ZIP 11937ZIP 11726ZIP 11790ZIP 11747ZIP 11738ZIP 11733
Up the hierarchy
All counties in New York
Rankings
Highest income countiesLowest poverty counties

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

How we source and harmonize this data →