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.

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

Results summary

Countywide Nassau County, New York Legislature Election, 2023PartyVotesPercentageSeats+/–Republican143,20458.55%12Democratic100,72041.18%7Write-in6720.27%0Totals244,596100.00%19

District Results of the 2023 Nassau County Legislature election by district:

DistrictRepublicanDemocraticOthersTotalResult Votes % Votes % Votes % Votes %11 4,608 45.24% 5,570 54.69% 7 0.07% 10,185 100.00% Democratic hold22 1,679 24.68% 5,108 75.07% 17 0.25% 6,804 100.00% Democratic hold33 4,427 42.31% 6,009 57.43% 27 0.26% 10,463 100.00% Democratic hold44 9,840 59.72% 6,624 40.20% 14 0.08% 16,478 100.00% Republican hold55 5,336 46.81% 6,038 52.96% 26 0.23% 11,400 100.00% Democratic hold66 4,084 40.36% 6,015 59.44% 21 0.21% 10,120 100.00% Democratic gain77 10,294 78.44% 2,825 21.53% 5 0.04% 13,124 100.00% Republican hold88 9,657 73.67% 3,408 26.00% 43 0.33% 13,108 100.00% Republican hold99 8,280 64.39% 4,498 34.98% 82 0.64% 12,860 100.00% Republican hold1010 11,510 59.83% 7,690 39.97% 38 0.20% 19,238 100.00% Republican hold1111 5,553 35.62% 10,017 64.26% 18 0.12% 15,588 100.00% Democratic hold1212 10,573 69.89% 4,532 29.96% 22 0.15% 15,127 100.00% Republican hold1313 7,919 66.25% 3,973 33.24% 61 0.51% 11,953 100.00% Republican hold1414 7,667 59.54% 5,183 40.25% 27 0.21% 12,877 100.00% Republican hold1515 8,538 72.73% 3,156 26.88% 46 0.39% 11,740 100.00% Republican hold1616 5,670 44.61% 6,979 54.91% 62 0.49% 12,711 100.00% Democratic hold1717 6,936 69.60% 2,965 29.75% 65 0.65% 9,966 100.00% Republican hold1818 9,459 57.49% 6,908 41.98% 87 0.53% 16,454 100.00% Republican gain1919 11,174 77.60% 3,222 22.38% 4 0.03% 14,400 100.00% Republican holdTotal 143,204 58.55% 100,720 41.18% 672 0.27% 244,596 100.00%

References