Prior to redistricting, the district was represented by Republicans Cleave Simpson and before him Larry Crowder.

[2][3] District 35 covers a large area of southeastern Colorado.

The district includes all or part of Baca, Bent, Cheyenne, Crowley, El Paso, Elbert, Huerfano, Kiowa, Kit Carson, Las Animas, Lincoln, Otero, and Prowers counties, including the communities of Black Forest, Trinidad, Lamar, La Junta, and Rocky Ford.

[1] Colorado state senators are elected to staggered four-year terms.

The old 35th district held elections in presidential years, but the new district drawn following the 2020 Census will hold elections in midterm years.