New York's 4th State Assembly district
American legislative district
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New York's 4th State Assembly district is one of the 150 districts in the New York State Assembly. It has been represented by Democrat Rebecca Kassay since 2025, defeating incumbent Edward Flood.
Registration36.8% Democratic
28.1% Republican
28.7% No party preference
28.1% Republican
28.7% No party preference
Demographics68% White
6% Black
14% Hispanic
9% Asian
0% Native American
0% Hawaiian/Pacific Islander
0% Other
6% Black
14% Hispanic
9% Asian
0% Native American
0% Hawaiian/Pacific Islander
0% Other
Population(2020)123,545[1]
| New York's 4th State Assembly district | |||
|---|---|---|---|
 | |||
| Assemblymember |
| ||
| Registration | 36.8% Democratic 28.1% Republican 28.7% No party preference | ||
| Demographics | 68% White 6% Black 14% Hispanic 9% Asian 0% Native American 0% Hawaiian/Pacific Islander 0% Other | ||
| Population (2020) | 123,545[1] | ||
| Registered voters | 97,825[2] | ||
Geography
2020s
District 4 is in Suffolk County. The district includes portions of the town of Brookhaven including Belle Terre, Coram, Gordon Heights, Old Field, Poquott, Port Jefferson and Setauket. Stony Brook University is within this district.
The district is entirely within New York's 1st congressional district, and overlaps the 1st and 3rd districts of the New York State Senate.
2010s
District 4 is in Suffolk County. The district includes portions of the town of Brookhaven including Belle Terre, Old Field, Poquott, and Port Jefferson. Stony Brook University is within this district.
Recent election results
2026
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Rebecca Kassay (incumbent) | |||
| Republican | William Sussman | |||
| Conservative | William Sussman | |||
| Total | William Sussman | |||
| Write-in | ||||
| Total votes | ||||
2024
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rebecca Kassay | 3,479 | 64.1 | |
| Democratic | Skyler Johnson | 1,951 | 35.9 | |
| Write-in | 0 | 0.0 | ||
| Total votes | 5,430 | 100 | ||
| General election | ||||
| Democratic | Rebecca Kassay | 30,795 | 50.7 | |
| Republican | Edward Flood | 26,631 | ||
| Conservative | Edward Flood | 3,333 | ||
| Total | Edward Flood (incumbent) | 29,964 | 49.3 | |
| Write-in | 36 | 0.0 | ||
| Total votes | 60,795 | 100.0 | ||
| Democratic gain from Republican | ||||
2022
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Republican | Edward Flood | 2,515 | 51.4 | |
| Republican | Thomas Wiermann | 2,380 | 48.6 | |
| Write-in | 0 | 0.0 | ||
| Total votes | 4,895 | 100.0 | ||
| General election | ||||
| Republican | Edward Flood | 21,038 | ||
| Conservative | Edward Flood | 3,161 | ||
| Total | Edward Flood | 24,199 | 50.7 | |
| Democratic | Steven Englebright | 22,128 | ||
| Working Families | Steven Englebright | 1,375 | ||
| Total | Steven Englebright (incumbent) | 23,503 | 49.3 | |
| Write-in | 7 | 0.0 | ||
| Total votes | 47,709 | 100.0 | ||
| Republican gain from Democratic | ||||
2020
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 31,138 | ||
| Working Families | Steven Englebright | 1,839 | ||
| Independence | Steven Englebright | 789 | ||
| Total | Steven Englebright (incumbent) | 33,766 | 55.2 | |
| Republican | Michael Ross | 24,053 | ||
| Conservative | Michael Ross | 2,888 | ||
| Total | Michael Ross | 26,941 | 44.1 | |
| Libertarian | Adam Fischer-Gledhill | 441 | 0.7 | |
| Write-in | 7 | 0.0 | ||
| Total votes | 61,155 | 100.0 | ||
| Democratic hold | ||||
2018
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 26,009 | ||
| Independence | Steven Englebright | 772 | ||
| Working Families | Steven Englebright | 641 | ||
| Women's Equality | Steven Englebright | 311 | ||
| Total | Steven Englebright (incumbent) | 27,733 | 60.6 | |
| Republican | Christian Kalinowski | 15,828 | ||
| Conservative | Christian Kalinowski | 2,191 | ||
| Total | Christian Kalinowski | 18,019 | 39.4 | |
| Write-in | 7 | 0.0 | ||
| Total votes | 45,759 | 100.0 | ||
| Democratic hold | ||||
2016
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 29,051 | ||
| Independence | Steven Englebright | 1,490 | ||
| Working Families | Steven Englebright | 1,400 | ||
| Total | Steven Englebright (incumbent) | 31,941 | 59.2 | |
| Republican | Steven Weissbard | 18,811 | ||
| Conservative | Steven Weissbard | 3,183 | ||
| Total | Steven Weissbard | 21,994 | 40.8 | |
| Write-in | 31 | 0.0 | ||
| Total votes | 53,966 | 100.0 | ||
| Democratic hold | ||||
2014
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 14,229 | ||
| Working Families | Steven Englebright | 1,132 | ||
| Independence | Steven Englebright | 1,022 | ||
| Total | Steven Englebright (incumbent) | 16,383 | 58.1 | |
| Republican | Christopher Keegan | 9,491 | ||
| Conservative | Christopher Keegan | 2,337 | ||
| Total | Christopher Keegan | 11,828 | 41.9 | |
| Write-in | 5 | 0.0 | ||
| Total votes | 28,216 | 100.0 | ||
| Democratic hold | ||||
2012
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 25,613 | ||
| Working Families | Steven Englebright | 1,766 | ||
| Independence | Steven Englebright | 1,274 | ||
| Total | Steven Englebright (incumbent) | 28,653 | 62.8 | |
| Republican | Deborah McKee | 14,033 | ||
| Conservative | Deborah McKee | 2,957 | ||
| Total | Deborah McKee | 16,990 | 37.2 | |
| Write-in | 11 | 0.0 | ||
| Total votes | 45,654 | 100.0 | ||
| Democratic hold | ||||
2010
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Steven Englebright | 17,654 | ||
| Independence | Steven Englebright | 1,734 | ||
| Working Families | Steven Englebright | 1,148 | ||
| Total | Steven Englebright (incumbent) | 20,446 | 56.2 | |
| Republican | Deborah McKee | 12,513 | ||
| Conservative | Deborah McKee | 3,459 | ||
| Total | Deborah McKee | 15,972 | 43.8 | |
| Write-in | 11 | 0.0 | ||
| Total votes | 36,432 | 100.0 | ||
| Democratic hold | ||||