President: 2000–2016 official county returns from the MIT Election Data and Science Lab ; 2020–2024 county results compiled by Tony McGovern . Alaska is shown statewide. Connecticut reports 2024 presidential results by planning region.
Senate and House: certified results from the Federal Election Commission (2020, 2022) and the Clerk of the House (2024), checked against each other.
Senate county figures: precinct returns from the MIT Election Data and Science Lab .
District maps: US Census Bureau; North Carolina's 2020 map from the North Carolina General Assembly.
2026 results, live: official results from each state's election office where it publishes them; unofficial counts from civicAPI otherwise; entries typed in by hand name their source. Poll closing times: CBS News .
Portraits of members of Congress: official portraits (public domain) via unitedstates/images .
City names: Natural Earth (public domain).
Party icons from Wikimedia Commons: Democratic and Republican public domain; Libertarian by Hdebug (original by Lance W. Haverkamp) and Green by Gappalachia, both CC BY-SA 4.0 .
Election Lens is open source under the AGPL-3.0 license.