2020Final results
2020 election for South Dakota Legislative District 35
South Dakota State Senate · South Dakota
Jessica Castleberry (R) won with 61.6% of the vote, defeating Brian Gentry (Oth) by 23.2 points.
Jessica CastleberryRepublican · winner
61.6%6,012
Brian GentryOther party
38.4%3,747
9,759 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET