Current seat holder: Carol Dalby (R).
Calvin Thomason (Democratic) is a 2026 general election candidate for the Arkansas House of Representatives in District 100, covering Miller County. Calvin Thomason qualified with the Arkansas Secretary of State to appear on the November 3, 2026 general election ballot for House District 100.
Carol Dalby (Republican) is the incumbent member of the Arkansas House of Representatives representing District 100, which covers Miller County. Carol Dalby qualified with the Arkansas Secretary of State to appear on the November 3, 2026 general election ballot for House District 100.