Suffolk County, New York Demographics 2026

Name: Suffolk County, New York Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Suffolk County, New York has a population of 1,530,146, the 4th most populous county in New York. The median household income is $130,686 and the median home value is $578,400. The poverty rate is 6.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Suffolk County Quick Facts

Population 1,530,146

Median Household Income $130,686

Median Home Value $578,400

Poverty Rate 6.4%

Unemployment Rate 4.7%

Median Age 41.7 years

Homeownership Rate 82.2%

Affordability Ratio 4.4x

Bachelor's Degree+ 40.2%

High School Graduation 90.4%

Cities/Places 156

Population 1,530,146 4th of 62

Median Income $130,686 52% higher than state

Poverty Rate 6.4%

Unemployment 4.7%

How Suffolk County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	1,525,680	1,530,146	+0.3%
Median household income	$128,329	$130,686	+1.8%
Median home value	$539,500	$578,400	+7.2%

Median Household Income

Suffolk

$130,686

$85,974

National

$80,734

Median Home Value

Suffolk

$578,400

$423,800

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 8.1%

$25K-$50K 9.5%

$50K-$100K 20.3%

$100K+ 62.2%

Detailed income brackets

Under $10K

3.2%

$10K-$15K

1.6%

$15K-$20K

1.5%

$20K-$25K

1.8%

$25K-$30K

2.0%

$30K-$35K

1.7%

$35K-$40K

1.9%

$40K-$45K

1.8%

$45K-$50K

2.0%

$50K-$60K

4.0%

$60K-$75K

6.4%

$75K-$100K

9.9%

$100K-$125K

10.1%

$125K-$150K

9.1%

$150K-$200K

15.3%

$200K+

27.7%

Employment

4.7% Unemployment Rate State: 6.4%|National: 5.2%

65.5% Labor Force Participation

Housing Overview

Owner 82.2%

Renter 17.8%

Affordability Index Moderate

4.4x home value to income ratio

Median gross rent $2,255/mo 20.7% of median household income annually

People & Demographics

Age Distribution

Under 18

20.8%

18-34

21.1%

35-54

25.3%

55-74

25.2%

75+

7.6%

Race & Ethnicity

Diversity Index

High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 65 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Suffolk County

City	Population	Median Income	Poverty	Home Value
West Babylon	43,570	$129,519	5.9%	$531,900
Coram	39,539	$105,220	7.5%	$452,100
Central Islip	38,373	$113,707	9.2%	$436,400
Commack	36,558	$169,792	4.2%	$678,200
Huntington Station	32,601	$135,477	7.2%	$578,000
Centereach	31,839	$132,240	5.3%	$514,800
Bay Shore	31,683	$105,618	10.2%	$492,200
Shirley	28,375	$112,788	6.5%	$424,900
Deer Park	27,990	$137,105	3.4%	$543,500
Lindenhurst	27,142	$130,128	5.7%	$521,500
West Islip	26,865	$176,281	2.7%	$614,300
Holbrook	26,449	$144,760	5.2%	$536,200
Medford	24,796	$128,192	7.1%	$476,200
Dix Hills	24,773	$227,944	3.6%	$935,800
Smithtown	24,375	$150,664	4.1%	$704,700
Copiague	23,424	$127,369	5.7%	$484,500
East Patchogue	21,673	$108,397	5.9%	$478,700
Selden	21,604	$108,952	6.7%	$462,000
North Amityville	21,138	$136,654	6.0%	$466,500
Hauppauge	20,793	$141,378	5.2%	$652,900
North Bay Shore	20,282	$141,915	6.8%	$497,600
Huntington	19,948	$168,095	4.3%	$767,000
Melville	19,714	$159,922	4.5%	$788,900
East Northport	19,700	$157,662	7.0%	$623,800
Holtsville	19,344	$133,679	4.1%	$520,600
Ronkonkoma	18,709	$121,673	3.3%	$489,100
Lake Ronkonkoma	18,221	$101,633	7.8%	$525,000
North Babylon	17,963	$140,342	3.3%	$520,500
Islip	17,362	$120,909	5.7%	$542,200
Mastic Beach	16,735	$111,493	21.2%	$357,200
Kings Park	16,516	$121,136	2.4%	$619,000
Farmingville	16,160	$127,988	6.2%	$472,100
Mastic	15,708	$94,034	6.6%	$432,500
Hampton Bays	15,706	$134,216	7.9%	$735,400
Sayville	15,408	$147,120	4.9%	$637,200
Greenlawn	15,210	$164,427	6.3%	$630,800
Riverhead	14,936	$83,008	10.7%	$457,400
Manorville	14,233	$139,201	6.6%	$601,000
Nesconset	13,833	$152,500	4.6%	$639,500
East Islip	13,573	$147,996	4.3%	$593,200
Rocky Point	13,356	$127,024	2.9%	$461,400
St. James	13,244	$142,368	3.3%	$652,700
Stony Brook	12,868	$174,872	6.5%	$623,300
Ridge	12,503	$78,528	4.1%	$424,800
Patchogue	12,396	$107,306	10.6%	$477,600
Babylon	12,185	$140,820	3.5%	$658,500
Elwood	11,762	$177,003	3.5%	$689,500
Miller Place	11,736	$146,492	5.8%	$614,400
Mount Sinai	11,093	$162,188	1.6%	$661,200
North Bellport	11,087	$100,247	4.8%	$416,100
Lake Grove	11,061	$118,311	8.1%	$598,900
Middle Island	11,027	$85,480	13.0%	$383,500
North Lindenhurst	10,952	$123,342	6.8%	$495,300
Terryville	10,794	$110,389	11.0%	$481,200
Fort Salonga	10,199	$189,856	2.8%	$846,700
East Setauket	10,149	$151,603	4.8%	$637,800
South Huntington	9,779	$147,569	3.3%	$636,800
Amityville	9,588	$106,285	11.2%	$569,800
Stony Brook University	9,530	N/A	N/A	N/A
Bohemia	9,181	$125,781	8.2%	$557,700
Springs	9,163	$144,836	9.8%	$948,500
Center Moriches	9,127	$170,277	3.2%	$586,900
Bayport	8,921	$147,818	6.1%	$650,800
Wading River	8,359	$136,549	3.4%	$518,500
Baywood	8,176	$118,750	7.9%	$456,500
Port Jefferson	8,091	$144,912	5.6%	$655,800
Port Jefferson Station	7,676	$120,734	9.8%	$507,900
Northport	7,322	$146,921	12.2%	$745,300
East Shoreham	7,321	$153,235	3.4%	$604,100
Sound Beach	7,210	$132,008	2.8%	$428,700
Oakdale	7,115	$118,958	7.4%	$613,000
North Patchogue	6,984	$107,695	4.9%	$450,600
Yaphank	6,934	$108,971	4.1%	$459,700
Flanders	6,609	$88,393	21.9%	$419,600
North Sea	6,458	$161,587	5.4%	$1,128,000
Southold	6,397	$128,822	3.8%	$844,700
East Moriches	6,260	$139,222	5.3%	$664,100
Centerport	6,072	$195,357	3.9%	$740,200
East Hampton North	6,006	$109,035	9.2%	$1,077,000
East Farmingdale	5,666	$119,000	3.5%	$574,200
Calverton	5,618	$60,442	13.3%	$229,200
East Quogue	5,406	$93,710	13.2%	$844,100
West Hills	5,369	$185,745	3.9%	$741,900
Northwest Harbor	5,205	$160,375	20.8%	$1,573,300
Islip Terrace	5,168	$155,313	2.6%	$519,200
West Sayville	4,800	$166,312	2.8%	$583,200
Noyack	4,782	$118,728	2.7%	$1,085,500
Blue Point	4,735	$154,625	7.1%	$614,900
Wheatley Heights	4,729	$118,036	5.8%	$538,200
Southampton	4,621	$214,032	4.8%	$2,000,000+
Mattituck	4,606	$121,250	4.2%	$750,000
Gordon Heights	4,230	$106,828	16.9%	$382,000
Montauk	4,223	$142,961	6.1%	$1,356,600
West Bay Shore	4,208	$137,083	4.1%	$584,400
Setauket	4,069	$221,771	6.1%	$755,600
Riverside	4,038	$59,318	16.6%	N/A
North Great River	3,909	$147,143	5.1%	$542,300
Westhampton	3,900	$119,886	8.2%	$1,018,200
Islandia	3,600	$116,313	7.7%	$477,400
Lloyd Harbor	3,565	$250,000+	2.1%	$1,533,800
Cold Spring Harbor	3,220	$250,000+	1.5%	$1,587,900
Brightwaters	3,179	$218,000	0.2%	$768,600
Brookhaven	2,858	$114,839	12.1%	$692,800
Cutchogue	2,835	$143,472	6.3%	$917,800
Water Mill	2,764	$186,875	3.6%	$2,000,000+
Halesite	2,661	$175,368	0.7%	$851,600
Baiting Hollow	2,614	$108,571	2.6%	$586,300
Greenport	2,574	$81,094	9.3%	$961,200
Westhampton Beach	2,574	$141,250	10.8%	$1,117,000
Shinnecock Hills	2,545	$132,708	1.1%	$1,375,000
Sag Harbor	2,489	$129,821	3.1%	$1,615,900
Greenport West	2,463	$93,983	9.5%	$839,900
Eastport	2,414	$119,453	7.2%	$665,100
Moriches	2,308	$78,359	24.9%	$455,400
Shelter Island	2,125	$165,734	0.9%	$1,025,400
Bellport	1,948	$146,083	5.8%	$712,700
Northville	1,912	$159,018	13.1%	$872,000
Village of the Branch	1,903	$173,958	1.5%	$705,900
Great River	1,899	$136,071	5.4%	$802,800
Aquebogue	1,869	$93,523	5.0%	$613,200
Huntington Bay	1,693	$250,000+	4.9%	$1,728,800
Jamesport	1,593	$97,005	4.6%	$674,800
Remsenburg-Speonk	1,564	$169,091	2.3%	$998,000
Bridgehampton	1,531	$139,486	6.3%	$1,764,800
Nissequogue	1,528	$172,500	4.1%	$1,121,000
Head of the Harbor	1,384	$250,000+	4.5%	$1,167,400
Laurel	1,360	$138,726	12.9%	$870,800
East Marion	1,331	$102,500	2.7%	$857,800
East Hampton	1,297	$106,250	4.6%	$2,000,000+
Tuckahoe	1,249	$80,500	12.4%	$1,075,500
Shelter Island Heights	1,230	$113,091	14.8%	$1,157,200
Eatons Neck	1,173	$234,375	0.8%	$888,400
Poquott	1,127	$190,391	6.7%	$826,500
Orient	1,121	$94,261	2.8%	$973,700
Old Field	1,007	$250,000+	4.7%	$1,318,500
North Haven	967	$154,653	5.4%	$1,916,700
Quiogue	941	$129,405	6.5%	$1,092,600
Peconic	848	$116,250	0.9%	$980,900
Amagansett	821	$166,875	0.6%	$1,671,900
Asharoken	805	$141,215	7.0%	$1,244,400
Quogue	760	$89,896	29.5%	$1,805,600
Belle Terre	740	$166,111	4.0%	$1,090,400
Wainscott	612	$130,833	16.5%	$2,000,000+
Shoreham	537	$160,625	0.6%	$709,700
Northampton	499	$78,421	8.4%	$393,300
Fire Island	352	$84,688	6.6%	$784,100
Sagaponack	303	N/A	17.2%	$2,000,000+
New Suffolk	298	$130,875	2.0%	$1,060,000
Captree	282	$79,080	3.9%	$448,900
Gilgo	148	N/A	28.4%	$441,200
West Hampton Dunes	107	$250,000+	4.7%	$2,000,000+
Fishers Island	72	$98,125	0.0%	N/A
Napeague	70	$74,239	0.0%	$1,923,900
Oak Beach	69	N/A	0.0%	N/A
Ocean Beach	24	N/A	0.0%	N/A
Saltaire	8	N/A	0.0%	N/A

Explore New York Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Suffolk County is located in New York with a total population of 1,530,146. It is the 4th most populous county out of 62 in New York. The county encompasses 156 Census-designated places.

Age Demographics

The median age in Suffolk County is 41.7 years. This is 5% higher than the state median of 39.8 years.

Economy, Income & Housing

The median household income in Suffolk County is $130,686. This is 52% higher than the state median of $85,974. It is also 62% higher than the national median of $80,734. The poverty rate stands at 6.4%. This is 54% lower than the state poverty rate of 14.0%. The unemployment rate is 4.7%. This is 26% lower than the state rate of 6.4%. The median home value is $578,400. Housing costs are 36% higher than the state median of $423,800. The home-value-to-income ratio is 4.4x. 82.2% of occupied housing units are owner-occupied. This homeownership rate is 51% higher than the state average of 54.4%.

Race & Ethnicity

The largest racial or ethnic group in Suffolk County is White (non-Hispanic), making up 62.0% of the population. Hispanic or Latino residents account for 22.8%. The Asian population (4.4%) is well below the state average of 9.0%.

Education

40.2% of residents aged 25 and older hold a bachelor's degree or higher. This is about the same as the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.4%. Notably, 18.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Suffolk County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against New York and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Suffolk County, New York?

Suffolk County has a population of 1,530,146, making it the 4th most populous county in New York.

What is the median income in Suffolk County?

The median household income in Suffolk County is $130,686 with a poverty rate of 6.4%.

How many cities are in Suffolk County, New York?

Suffolk County contains 156 Census-designated places.