2023 Nassau County, New York Legislature election

The 2023 Nassau County Legislature Election was held on November 7, 2023, to elect the 19 legislators in Nassau County, New York, one from each of the county's legislative districts. The elections coincided with other elections to various cities, towns, and villages.

2023 Nassau County, New York legislature elections

November 7, 2023
All 19 seats to the Nassau County Legislature
Majority party Minority party   Party Republican Democratic Last election 12 7 Seats won 12 7 Seat change Popular vote 143,204 100,720 Percentage 58.55% 41.18% Swing 0.18% 0.03%
Republican   50–60%   60–70%   70–80% Democratic   50–60%   60–70%   70–80%

The Republican Party maintained their 12–7 majority from the 2021 election.

Results summary

Countywide

Nassau County, New York Legislature Election, 2023

Party		Votes	Percentage	Seats	+/–
	Republican	143,204	58.55%	12
	Democratic	100,720	41.18%	7
	Write-in	672	0.27%	0
Totals		244,596	100.00%	19

County seats Republican   63.16% Democratic   36.84%

District

Results of the 2023 Nassau County Legislature election by district:

District	Republican		Democratic		Others		Total		Result
	Votes	%	Votes	%	Votes	%	Votes	%
1	4,608	45.24%	5,570	54.69%	7	0.07%	10,185	100.00%	Democratic hold
2	1,679	24.68%	5,108	75.07%	17	0.25%	6,804	100.00%	Democratic hold
3	4,427	42.31%	6,009	57.43%	27	0.26%	10,463	100.00%	Democratic hold
4	9,840	59.72%	6,624	40.20%	14	0.08%	16,478	100.00%	Republican hold
5	5,336	46.81%	6,038	52.96%	26	0.23%	11,400	100.00%	Democratic hold
6	4,084	40.36%	6,015	59.44%	21	0.21%	10,120	100.00%	Democratic gain
7	10,294	78.44%	2,825	21.53%	5	0.04%	13,124	100.00%	Republican hold
8	9,657	73.67%	3,408	26.00%	43	0.33%	13,108	100.00%	Republican hold
9	8,280	64.39%	4,498	34.98%	82	0.64%	12,860	100.00%	Republican hold
10	11,510	59.83%	7,690	39.97%	38	0.20%	19,238	100.00%	Republican hold
11	5,553	35.62%	10,017	64.26%	18	0.12%	15,588	100.00%	Democratic hold
12	10,573	69.89%	4,532	29.96%	22	0.15%	15,127	100.00%	Republican hold
13	7,919	66.25%	3,973	33.24%	61	0.51%	11,953	100.00%	Republican hold
14	7,667	59.54%	5,183	40.25%	27	0.21%	12,877	100.00%	Republican hold
15	8,538	72.73%	3,156	26.88%	46	0.39%	11,740	100.00%	Republican hold
16	5,670	44.61%	6,979	54.91%	62	0.49%	12,711	100.00%	Democratic hold
17	6,936	69.60%	2,965	29.75%	65	0.65%	9,966	100.00%	Republican hold
18	9,459	57.49%	6,908	41.98%	87	0.53%	16,454	100.00%	Republican gain
19	11,174	77.60%	3,222	22.38%	4	0.03%	14,400	100.00%	Republican hold
Total	143,204	58.55%	100,720	41.18%	672	0.27%	244,596	100.00%