Clark, a Democrat, defeated incumbent Steve Heretick in the Democratic primary and Republican nominee Lawrence Mason in the 2021 Virginia House of Delegates election.
[5] He won the election with 53% of the vote to his Republican opponent's 47% Michael Dillender in Virginia's 84th House of Delegates district.
Nadarius Clark attended Virginia Union University for college, in Richmond.
[6] At the start of the 2024-2025 session, Clark introduced a bill that would prohibit the collection of medical debt if collection proceedings didn't start within 3 years of the due date on the final notice.
[7] In February of 2024, Clark introduced a bill to cap rising rents which ultimately didn't advance.