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Suffolk County, New York

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At a glance

Market profile

Population
1,530,146
Households
512,565
Average household size
2.93
Median age
41.7 years
Median household income
$130,686
Housing units
580,772
Population comparison
2020 Census1,451,657
2024 estimate1,530,146
Change+5.4%

People

Who lives here

Population
1,530,146
Median age
41.7 years
Male
758,955
Female
771,191
Median age by sex
Male median age
40.4 years
Female median age
43.1 years
Age by sexPopulation distribution
41,274Under 539,835
121,0585–17115,732
70,00318–2466,595
95,67625–3491,312
93,41335–4490,172
101,43345–54101,305
113,35655–64114,944
122,74265+151,296
Age by sex values
CategoryMaleFemale
Under 541,27439,835
5–17121,058115,732
18–2470,00366,595
25–3495,67691,312
35–4493,41390,172
45–54101,433101,305
55–64113,356114,944
65+122,742151,296
View detailed source bins
5–17
Male
5–9
41,944
10–14
48,433
15–17
30,681
Female
5–9
40,516
10–14
46,199
15–17
29,017
18–24
Male
18–19
20,293
20
8,641
21
10,060
22–24
31,009
Female
18–19
18,933
20
8,518
21
8,990
22–24
30,154
25–34
Male
25–29
48,272
30–34
47,404
Female
25–29
46,265
30–34
45,047
35–44
Male
35–39
47,137
40–44
46,276
Female
35–39
44,635
40–44
45,537
45–54
Male
45–49
47,406
50–54
54,027
Female
45–49
47,004
50–54
54,301
55–64
Male
55–59
59,624
60–61
22,583
62–64
31,149
Female
55–59
59,021
60–61
24,145
62–64
31,778
65+
Male
65–66
17,741
67–69
23,223
70–74
33,947
75–79
22,560
80–84
13,138
85+
12,133
Female
65–66
19,011
67–69
25,011
70–74
38,540
75–79
28,611
80–84
18,091
85+
22,032
Detailed source values for Age by sex
RaceMutually exclusive counts
White alone
1,007,14665.8%
Two or more races
181,58011.9%
Some other race
150,7069.8%
Black alone
114,9437.5%
Asian alone
68,6324.5%
American Indian / Alaska Native
6,9490.5%
Native Hawaiian / Pacific Islander
1900.0%
Residents: 1,530,146.

Derived from published counts

Race values
CategoryValue
White alone1,007,146
Two or more races181,580
Some other race150,706
Black alone114,943
Asian alone68,632
American Indian / Alaska Native6,949
Native Hawaiian / Pacific Islander190

Ethnicity

Hispanic or Latino
348,579
White, not Hispanic
948,898

Hispanic or Latino ethnicity and White, not Hispanic are reported separately from race.

Households

Household structure

Family households
370,597
Married-couple share
77.6%
Derived from published counts
With children
42.6%
Derived from published counts
Household sizeShare of households
114,09022.3%
1 person
155,13130.3%
2 people
91,86217.9%
3 people
82,92616.2%
4 people
68,55613.4%
5+ people
View detailed source bins
5+ people
5 People
39,950
6 People
15,152
7 Plus People
13,454
Detailed source values for Household size
Household size values
CategoryValue
1 person114,090
2 people155,131
3 people91,862
4 people82,926
5+ people68,556
Family householdsEach subgroup is compared with its parent
All family households370,597
Married-couple families287,66377.6% of family households
With children
109,84638.2%
Without children
177,81761.8%
Other families82,93422.4% of family households
Male householder
25,82631.1%
Female householder
57,10868.9%
Family households values
GroupValueShare of parent
All family households370,597Not applicable
Married-couple families287,66377.6%
With children109,84638.2%
Without children177,81761.8%
Other families82,93422.4%
Male householder25,82631.1%
Female householder57,10868.9%

Income

Income distribution

Median household
$130,686
Median family
$150,525
Per capita
$57,164
Household incomeShare of households
41,3728.1%
Under $25k
48,5259.5%
$25–49k
53,28110.4%
$50–74k
50,5909.9%
$75–99k
98,34019.2%
$100–149k
78,27515.3%
$150–199k
142,18227.7%
$200k+
View detailed source bins
Under $25k
Under $10,000
16,241
$10,000–$14,999
8,102
$15,000–$19,999
7,596
$20,000–$24,999
9,433
$25–49k
$25,000–$29,999
10,204
$30,000–$34,999
8,835
$35,000–$39,999
9,917
$40,000–$44,999
9,110
$45,000–$49,999
10,459
$50–74k
$50,000–$59,999
20,314
$60,000–$74,999
32,967
$100–149k
$100,000–$124,999
51,630
$125,000–$149,999
46,710
Detailed source values for Household income
Household income values
CategoryValue
Under $25k41,372
$25–49k48,525
$50–74k53,281
$75–99k50,590
$100–149k98,340
$150–199k78,275
$200k+142,182

Education

Attainment and marital status

Education universe
1,075,649
High school or higher
90.4%
Derived from published counts
Bachelor’s or higher
40.2%
Derived from published counts
Educational attainmentAttainment distribution
57,8685.4%
Less than 9th grade
44,9294.2%
Grades 9–12, no diploma
266,38224.8%
High school or equivalent
171,17915.9%
Some college, no degree
102,6919.5%
Associate degree
232,73821.6%
Bachelor’s degree
199,86218.6%
Graduate or professional
View detailed source bins
Less than 9th grade
No Schooling
34,561
Nursery School
408
Kindergarten
422
First Grade
539
Second Grade
1,042
Third Grade
1,773
Fourth Grade
1,625
Fifth Grade
2,682
Sixth Grade
6,200
Seventh Grade
1,982
Eighth Grade
6,634
Grades 9–12, no diploma
Ninth Grade
6,478
Tenth Grade
7,147
Eleventh Grade
9,573
Twelfth No Diploma
21,731
High school or equivalent
Regular High School Diploma
236,084
Ged Or Alternative Credential
30,298
Some college, no degree
Some College Under 1 Year
61,917
Some College 1 Or More Years No Degree
109,262
Graduate or professional
Masters Degree
147,052
Professional School Degree
34,852
Doctorate Degree
17,958
Detailed source values for Educational attainment
Educational attainment values
CategoryValue
Less than 9th grade57,868
Grades 9–12, no diploma44,929
High school or equivalent266,382
Some college, no degree171,179
Associate degree102,691
Bachelor’s degree232,738
Graduate or professional199,862
Marital status by sexMale and Female
16,94956,211
Widowed
43,18164,595
Divorced
7,9759,923
Separated
334,698321,223
Now Married
232,476202,612
Never Married
30,66530,396
Married Spouse Absent
304,033290,827
Married Spouse Present
Marital status by sex values
CategoryMaleFemale
Widowed16,94956,211
Divorced43,18164,595
Separated7,9759,923
Now Married334,698321,223
Never Married232,476202,612
Married Spouse Absent30,66530,396
Married Spouse Present304,033290,827

Housing

Tenure, occupancy, and housing stock

Median home value
$578,400
Median gross rent
$2,255
Housing tenure
Owner
421,14682.2%
Renter
91,41917.8%
Occupied homes: 512,565.
Housing tenure values
CategoryValue
Owner421,146
Renter91,419
Housing occupancy
Occupied
512,56588.3%
Vacant
68,20711.7%
Housing units: 580,772.

Derived from published counts

Housing occupancy values
CategoryValue
Occupied512,565
Vacant68,207

Owner financing

Owners with mortgage
262,942
Owners without mortgage
158,204
Vacancy reason
For rent3,971
For sale2,726
Rented, not occupied876
Sold, not occupied4,604
Seasonal44,136
Migrant workers20
Other11,874
Vacancy reason values
CategoryValue
For rent3,971
For sale2,726
Rented, not occupied876
Sold, not occupied4,604
Seasonal44,136
Migrant workers20
Other11,874
Structure type
Detached462,916
Attached34,532
2–4 units27,227
5–19 units27,912
20+ units20,661
Mobile or other7,524
View detailed source bins
2–4 units
Structure 2 Units
14,948
Structure 3–4 Units
12,279
5–19 units
Structure 5–9 Units
12,819
Structure 10–19 Units
15,093
20+ units
Structure 20–49 Units
7,473
Structure 50 Plus Units
13,188
Mobile or other
Structure Mobile Home
7,441
Structure Boat Rv Van Other
83
Detailed source values for Structure type
Structure type values
CategoryValue
Detached462,916
Attached34,532
2–4 units27,227
5–19 units27,912
20+ units20,661
Mobile or other7,524
Year builtHousing units by period
178,83530.8%
Before 1960
217,67637.5%
1960–79
110,89519.1%
1980–99
69,38011.9%
2000–19
3,9860.7%
2020+
View detailed source bins
Before 1960
1939 Earlier
52,893
1940–1949
26,049
1950–1959
99,893
1960–79
1960–1969
114,182
1970–1979
103,494
1980–99
1980–1989
59,170
1990–1999
51,725
2000–19
2000–2009
47,954
2010–2019
21,426
Detailed source values for Year built
Year built values
CategoryValue
Before 1960178,835
1960–79217,676
1980–99110,895
2000–1969,380
2020+3,986
Move-in periodOwner and Renter
Before 1990
85,317
2,016
1990s
71,123
3,808
2000s
93,430
10,174
2010s
121,082
46,255
2020–22
44,633
23,878
2023+
5,561
5,288
Move-in period values
CategoryOwnerRenter
Before 199085,3172,016
1990s71,1233,808
2000s93,43010,174
2010s121,08246,255
2020–2244,63323,878
2023+5,5615,288
Home valueOwner-occupied homes
12,2622.9%
Under $100k
15,6753.7%
$100–249k
131,84331.3%
$250–499k
162,00738.5%
$500–749k
54,63013.0%
$750–999k
24,6195.8%
$1–1.49m
20,1104.8%
$1.5m+
View detailed source bins
Under $100k
Under 10000
2,821
10000–14999
217
15000–19999
170
20000–24999
378
25000–29999
256
30000–34999
698
35000–39999
469
40000–49999
1,701
50000–59999
1,820
60000–69999
1,713
70000–79999
608
80000–89999
622
90000–99999
789
$100–249k
100000–124999
2,437
125000–149999
1,554
150000–174999
2,317
175000–199999
1,914
200000–249999
7,453
$250–499k
250000–299999
7,907
300000–399999
39,113
400000–499999
84,823
$1.5m+
1500000–1999999
7,903
2000000+
12,207
Detailed source values for Home value
Home value values
CategoryValue
Under $100k12,262
$100–249k15,675
$250–499k131,843
$500–749k162,007
$750–999k54,630
$1–1.49m24,619
$1.5m+20,110
Gross rentRenter-occupied homes
Under $5003,822
$500–9994,608
$1,000–1,4998,697
$1,500–1,99915,051
$2,000–2,49921,121
$2,500–2,99914,401
$3,000+18,227
View detailed source bins
Under $500
Under 100
129
100–149
48
150–199
281
200–249
343
250–299
756
300–349
512
350–399
413
400–449
807
450–499
533
$500–999
500–549
570
550–599
604
600–649
620
650–699
335
700–749
351
750–799
359
800–899
713
900–999
1,056
$1,000–1,499
1000–1249
4,109
1250–1499
4,588
$3,000+
3000–3499
9,552
3500+
8,675
Detailed source values for Gross rent
Gross rent values
CategoryValue
Under $5003,822
$500–9994,608
$1,000–1,4998,697
$1,500–1,99915,051
$2,000–2,49921,121
$2,500–2,99914,401
$3,000+18,227
Vehicle availabilityOwner and Renter
No vehicle
13,795
12,190
1 vehicle
96,823
42,008
2 vehicles
174,410
25,775
3 vehicles
83,520
7,688
4 vehicles
36,748
2,765
5+ vehicles
15,850
993
Vehicle availability values
CategoryOwnerRenter
No vehicle13,79512,190
1 vehicle96,82342,008
2 vehicles174,41025,775
3 vehicles83,5207,688
4 vehicles36,7482,765
5+ vehicles15,850993

Transportation

How residents get to work

Workers age 16+
766,432
Average commute
31.1 min
Travel mode
Drive alone
552,30172.1%Derived from published counts
Carpool
57,6267.5%Derived from published counts
Public transit
37,1164.8%Derived from published counts
Walk or bicycle
12,5151.6%Derived from published counts
Work from home
92,31412.0%Derived from published counts
Other
14,5601.9%Derived from published counts
Workers: 766,432.

Derived from published counts

View detailed source bins
Walk or bicycle
Walked
10,668
Bicycle
1,847
Other
Other Transportation
9,420
Motorcycle
254
Taxi Or Ride Hailing
4,886
Detailed source values for Travel mode
Travel mode values
CategoryValue
Drive alone552,301
Carpool57,626
Public transit37,116
Walk or bicycle12,515
Work from home92,314
Other14,560
Commute timeWorkers by travel time
153,56422.8%
Under 15 min
225,89733.5%
15–29 min
144,65021.5%
30–44 min
54,8428.1%
45–59 min
95,16514.1%
60+ min
View detailed source bins
Under 15 min
Under 5
15,914
5–9
56,584
10–14
81,066
15–29 min
15–19
90,459
20–24
91,178
25–29
44,260
30–44 min
30–34
95,477
35–39
19,956
40–44
29,217
60+ min
60–89
51,048
90+
44,117
Detailed source values for Commute time
Commute time values
CategoryValue
Under 15 min153,564
15–29 min225,897
30–44 min144,650
45–59 min54,842
60+ min95,165

Workforce

Labor force and job flows

Population age 16+
1,253,019
Civilian labor force
820,542
Employed
781,693
Unemployed
38,849
Unemployment rate
4.7%
Poverty universe
1,502,720
Persons below poverty
96,529
Gini index
0.44
White-collar workers
511,157
Blue-collar workers
142,000
Occupation by sexMale and Female
Service Occupations
63,956
64,580
Sales Office Occupations
67,177
96,849
Management Business Science Arts
159,454
187,677
Production Transportation Material Moving
55,778
19,672
Natural Resources Construction Maintenance
64,637
1,913
Occupation by sex values
CategoryMaleFemale
Service Occupations63,95664,580
Sales Office Occupations67,17796,849
Management Business Science Arts159,454187,677
Production Transportation Material Moving55,77819,672
Natural Resources Construction Maintenance64,6371,913

Employment and commuting

Resident workers
705,413
Workplace jobs
585,264
Internal commuters
412,797
Inbound commuters
172,467
Outbound commuters
292,616
Net worker inflow
Unavailable

Health insurance

Insurance coverage

Coverage status
Insured
1,448,73695.3%Derived from published counts
Uninsured
71,9454.7%
Residents: 1,520,681.
Coverage status values
CategoryValue
Insured1,448,736
Uninsured71,945
Uninsured by ageResidents without coverage
11,90816.6%
Under 19
23,92733.3%
Age 19–34
34,52148.0%
Age 35–64
1,5892.2%
Age 65+
Uninsured by age values
CategoryValue
Under 1911,908
Age 19–3423,927
Age 35–6434,521
Age 65+1,589

Community

Nativity, citizenship, and mobility

Nativity
Native born
1,272,81383.2%
Foreign born
257,33316.8%
Residents: 1,530,146.
Nativity values
CategoryValue
Native born1,272,813
Foreign born257,333

Citizenship

Naturalized citizen
151,174
Not a citizen
106,159

Residential mobility

Same house
1,405,484
Within same county
61,891
From another county
31,453
From another state
10,103
From abroad
6,090

Sources and method

Vintages, quality, and methodology

Source vintages

Demographics
2024 ACS 5-year
Historical baseline
2020 Census
Employment
2023 LODES

Report quality

Status
complete
kind
published geography
estimated
false
Historical housing baseline
2020 housing units
561,770

The 2020 Census is used only as a historical population and housing baseline. It is not an annual population series and no intermediate years are inferred.

Named-geography values are published ACS estimates; margins of error are retained alongside direct values where supplied.

County demographics

About Suffolk County, New York

Suffolk County, New York has 1,530,146 residents and a median age of 41.7 years. It ranks No. 26 by population within this indexed county cohort. Population has grown 5.4% since the 2020 Census. Median household income is $49,952 above United States.

Market context

Compare the numbers.

Published values on the same 2024 ACS basis.
Comparison of selected demographic measures
GeographyPopulationMedian incomeMedian ageOwner occupied
Suffolk County, New York1,530,146$130,68641.7 years82.2%
United States334,922,500$80,73438.9 years65.2%
New York19,852,366$85,97439.8 years54.3%

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