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COUNTY · 2000 CENSUS

Suffolk County

New York · 1,419,369 residents · 910.922 sq mi
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The short version

Suffolk County is significantly wealthier than the US average, with a median household income of $65,288. Population has held roughly steady since 1990. Median home value is $183,500. Poverty is rare here, at 6.0% of residents. Households here earn about 50% more than the New York median.

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
Population density
1,558 / sq mi
+7%since 1990
from 1,451 / sq mi in 1990
US average: 242
Median age
36.5
+9%since 1990
from 33.5 in 1990
US average: 35.2
Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M1990201020202024Suffolk County
20241.5M
1990201020202024
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
Afford Score
2.8
−16%since 1990
from 3.4 in 1990
1990 – 2024
RELATED:See current rent listings in Suffolk County on RentDataNow
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)
Diversity Score34.2%(451,862)
2000
White, non-Hispanic78.8%(1,118,405)
Black6.6%(93,262)
Hispanic / Latino10.5%(149,411)
Asian2.4%(34,355)
Diversity Score42.6%(605,184)
Diversity Score
43
+25%since 1990
from 34 in 1990
1990 – 2024
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.

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+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

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