Seth I. Koslow headshot
Former Official

Seth I. Koslow

Former Nassau County Legislature - District 5

Ineligible for the GoodParty.org Pledge due to partisan affiliation
According to our records, Seth I. Koslow last ran for office in 2025. Please see our updated voter guide for information about upcoming elections, candidates, and current elected officials.
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District information

Where constituents live

Approximate residential density across the district. Aggregated and anonymized — no individual locations.

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About Nassau County Legislature - District 5

The County Executive is the chief executive officer of the county. The executive is generally given full responsibility for the total operation of all departments in the county.
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Term length
2024 – 2025
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Next election
November 4, 2025
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