Suffolk County, New York

2024 results by precinct

1,068 precincts · 762,849 votes cast

Trump · R+10

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	R	−9.9%	341,812	417,549	762,849
2020	R	−0.0%	381,021	381,253	771,751
2016	R	−6.8%	303,951	350,570	681,254
2012	D	+3.7%	304,079	282,131	594,266
2008	D	+6.0%	346,549	307,021	659,779
2004	D	+0.9%	315,909	309,949	638,712
2000	D	+11.4%	306,306	240,992	573,944
1996	D	+15.7%	261,828	182,510	505,213
1992	R	−1.5%	220,811	229,467	567,955
1988	R	−21.8%	199,215	311,242	514,350
1984	R	−32.3%	171,295	335,485	508,056
1980	R	−23.7%	149,945	256,294	449,655
1976	R	−8.8%	208,263	248,908	460,048
1972	R	−40.9%	132,441	316,452	449,898
1968	R	−25.5%	122,590	218,027	374,767
1964	D	+11.1%	180,598	144,350	325,333
1960	R	−18.7%	114,033	166,644	280,945
1956	R	−55.3%	48,323	167,805	216,128
1952	R	−49.3%	39,120	115,570	155,050
1948	R	−42.9%	29,104	75,519	108,265
1944	R	−35.4%	31,231	65,650	97,134
1940	R	−30.5%	33,853	63,712	97,835
1936	R	−18.8%	33,078	48,970	84,335
1932	R	−13.0%	30,799	40,247	72,528
1928	R	−34.3%	19,497	41,199	63,315
1924	R	−47.1%	10,024	31,456	45,455
1920	R	−48.9%	8,852	26,737	36,574
1916	R	−20.1%	8,422	12,742	21,522
1912	D	+11.6%	7,878	5,595	19,655
1908	R	−27.1%	5,877	10,689	17,730
1904	R	−18.1%	6,795	9,937	17,374
1900	R	−24.3%	5,711	9,584	15,910
1896	R	−39.1%	3,872	9,388	14,097
1892	R	−5.1%	6,274	7,001	14,203
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

6.0%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 41.7 in this county, 39.1 nationally

Male

Age

Female

0.8%

85+

1.4%

2.3%

75–84

3.1%

4.9%

65–74

5.4%

7.4%

55–64

7.5%

6.6%

45–54

6.6%

6.1%

35–44

5.9%

6.3%

25–34

6.0%

4.6%

18–24

4.4%

7.9%

5–17

7.6%

2.7%

2.6%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$130,686

Suffolk County ranks in the top 0.5% of US counties.

Suffolk County$130,686

New York$85,974

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

6.4%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

55.3%

Non-Christian

3.3%

Other Christian

2.9%

Mainline Protestant

2.8%

Methodist

1.1%

Pentecostal & Holiness

1.1%

Baptist

0.5%

Source · 2020 US Religion Census. Remaining 33.0% of residents not counted as adherents by any reporting body.

Once reliably competitive, Suffolk has moved toward Republican margins not seen since the early 2000s, driven partly by cost-of-living concerns among its large blue-collar and suburban homeowner population.

The Democratic margin in Suffolk County has rarely exceeded sixteen points in modern history; the Republican margin has rarely exceeded fifty-five points. 2024 delivered the county to the Republican candidate by ten points.

Suffolk County's demographics resemble the country more than they resemble most counties. A 66% non-Hispanic-white share, a 6% poverty rate, and a median household income of $130,686 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Pinellas County and St. Lucie County.

Most similar counties

Suffolk County votes the way the country votes.