About 99chambers

There are 99 state legislative chambers in the United States (Nebraska's is unicameral). Together they write most of the laws Americans live under, yet their elections get little coverage. 99chambers collects the data on those elections, district by district.

Principles

• Nonpartisan. We don't endorse candidates or parties, and we present every candidate with the same fields.
• Data-driven and sourced. Every data block names its source and when it was last updated. Where we estimate something, such as past results on current district lines, the methodology explains how.
• Private. The ballot lookup sends your address to the U.S. Census Bureau geocoder to find its map location. We don't store or log addresses, and the site has no ad trackers.
• Open. District-level data is available as CSV downloads under CC BY 4.0 (source licenses apply).

Coverage

Version 1 covers New York's 2026 general election on November 3, 2026: all 63 State Senate seats and all 150 Assembly seats. More states will follow.

Sources

New York State Board of Elections (candidates, enrollment, certified results, campaign finance), NYC Board of Elections, NYS Public Campaign Finance Board, U.S. Census Bureau (TIGER/Line boundaries, 2020 census blocks, American Community Survey), OpenElections, the Voting and Election Science Team (Harvard Dataverse), The New York Times 2024 precinct results, Redistricting Data Hub, and Wikipedia/Wikidata (CC BY-SA) for provisional candidate lists and candidate links.

Corrections

Found an error? Tell us which page and what's wrong, with a source if you have one. We fix verified errors quickly and note significant corrections.