Image of US Senate Seal
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27 States in the Midst of Record GOP or Democratic US Senate Winning Streaks

Six of the Top 10 longest Republican Party records are currently active across three regions of the country.
Official seal of the U.S. House of Representatives

The Rise of Single-Party US House Delegations

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The number of states (and respective U.S. House seats) with single-party delegations is at its highest level since the mid-1960s.
Photo of Nancy Mace

How Does South Carolina’s Competitive 2026 GOP Gubernatorial Field Rank in Party History?

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The 2026 showdown is poised for the fifth Republican primary runoff for the office in South Carolina.
Official seal of the State of Wisconsin.

A History of Open Wisconsin Gubernatorial Seats

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Wisconsin’s chief executive has not run for reelection in just eight of the previous 44 cycles during the primary era.
Photograph of Roy Cooper

A Review of North Carolina Governors Running for US Senate

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Only one sitting or former Tar Heel State governor has been elected to the U.S. Senate during the last 70 years.