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COUNTY · 2000 CENSUS

Suffolk County

New York · 1,419,369 residents · 911 sq mi
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The short version

With 1,419,369 people, Suffolk County is a county in New York. That is roughly 50% ahead of the New York median. Owners hold 80% of the housing stock. The median household earns $65,288, about 53% above the national median. The typical home is worth $183,500. Median rent is $945 a month.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.5
US median: 35.2
More educated
27% hold a bachelor's degree
US average: 24%
More affordable
home values down 16%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
1,419,369
+7%since 1990
from 1,321,864 in 1990
1990 – 2025
Median age
36.5
+9%since 1990
from 33.5 in 1990
US average: 35.2
Land area
911 sq mi
Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M19902000201020202024Suffolk County
20241.5M
1990201020202024
Age distribution, 2000
Under 57.1%(100,304)
US avg: 6.8%
5 to 97.7%(109,690)
US avg: 7.3%
10 to 147.3%(103,930)
US avg: 7.3%
15 to 196.2%(88,558)
US avg: 7.2%
20 to 245.3%(75,665)
US avg: 6.7%
25 to 3413.5%(191,695)
US avg: 14.2%
35 to 4417.7%(251,600)
US avg: 16%
45 to 5413.9%(197,593)
US avg: 13.4%
55 to 649.4%(132,776)
US avg: 8.6%
65 to 746.5%(91,906)
US avg: 6.5%
75 to 843.9%(55,650)
US avg: 4.4%
85 and over1.4%(20,002)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$65,288
+1%inflation adjusted, since 1990
from $49,128 in 1990
US average: $42,589
1990 – 2024
Per capita income
$26,577
+44%since 1990
from $18,481 in 1990
US average: $21,522
Poverty rate
6.0%
+1.2 ptssince 1990
from 4.7% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$183,500
−16%inflation adjusted, since 1990
from $165,200 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$945
−11%inflation adjusted, since 1990
from $802 in 1990
US average: $602
Owner-occupied
79.8%
−0.4 ptssince 1990
from 80.1% in 1990
20.2% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic90.2%(1,192,236)
Black6.2%(82,473)
Hispanic / Latino6.4%(84,238)
Asian1.7%(22,185)
2000
White, non-Hispanic78.8%(1,118,405)
Black6.6%(93,262)
Hispanic / Latino10.5%(149,411)
Asian2.4%(34,355)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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
27.5%
+4.5 ptssince 1990
from 23.0% in 1990
US average: 24.4%
High school or higher
86.2%
+4.0 ptssince 1990
from 82.2% in 1990
US average: 80.3%
Graduate degree
11.8%
+2.0 ptssince 1990
from 9.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
22.8 min
−12%since 1990
from 25.9 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married29.2%(155,961)
Married62.4%(332,747)
Widowed2.7%(14,530)
Divorced5.6%(30,081)
Women 15+
Never married22.7%(129,771)
Married58.7%(335,718)
Widowed10.6%(60,517)
Divorced8.1%(46,333)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

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

Places similar to Suffolk County

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Pop 1,636,630
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Pop 1,669,979
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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+35%
Home value$353,100+92%
Population578,741−63%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Greater Bridgeport Planning Region
Income$89,667+37%
Home value$428,800+134%
Population337,697−78%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Lower Connecticut River Valley Planning Region
Income$104,428+60%
Home value$379,700+107%
Population177,311−89%
SEE FULL COMPARISON →
SUFFOLK COUNTY VS
Naugatuck Valley Planning Region
Income$86,191+32%
Home value$317,700+73%
Population463,349−70%
SEE FULL COMPARISON →
Frequently asked

How many people live in Suffolk County, New York?

Suffolk County, New York has about 1,419,369 residents according to the 2000 Census.

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

The typical household in Suffolk County, New York earns about $65,288 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 $183,500, and the typical rent is about $945 a month.

How educated are people in Suffolk County, New York?

About 27.5% 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 6.0% 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 97,505 residents, a change of about 7 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 →