CensusEasy
COUNTY · 2020 ACS

Suffolk County

New York · 1,525,920 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 $105,362. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $413,900. Households here earn about 48% more than the New York median.

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
Population density
1,675 / sq mi
+8%since 2000
from 1,558 / sq mi in 2000
US average: 280
Median age
42.0
+15%since 2000
from 36.5 in 2000
US average: 38.8
Population, 1990 – 2024
1.3M1.4M1.4M1.5M1.6M1990201020202024Suffolk County
20241.5M
1990201020202024
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%
BARS: THIS PLACE · TICKS: 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
Afford Score
3.9
+40%since 2000
from 2.8 in 2000
1990 – 2024
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%
Diversity Score42.6%(605,184)
Segregation Score0%
2020
White, non-Hispanic63.4%(967,330)
Black7%(107,268)
Hispanic / Latino21.8%(332,959)
Asian4.3%(65,019)
Other2.3%(34,792)
Diversity Score66.5%(1,014,600)
Segregation Score38.4%(586,106)
Diversity Score
66
+56%since 2000
from 43 in 2000
1990 – 2024
Segregation Score
38
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%
Management & professional
41.4%
−23.2 ptssince 2009
from 64.6% 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%
−86.0 ptssince 2013
from 90.2% in 2013
US average: 8.8%
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$88,197−16%
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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