RepublicanIn office since Dec 2025

Dianne Mitchell

South Carolina State Representative, District 21 since 2025. Ran in 1 election in 2025, winning 1. Re-elected in 2026. Next on the ballot in 2028.

South Carolina State Representative, District 21

In office
<1 yr
Since 2025
Bills became law
6
553 sponsored, 2025–2026 session
Votes missed
6.4%
Chamber median 7.9%
With party
89%
On votes splitting the parties
Last margin
+21.8
Won 2026
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Education and Public Works

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 553 sponsored · 6 became law
BillIntroCmteHouseSenateLaw
H 5538 Guarantee Banking Act
Became law Jul 2026
H 5069 SC Protected Lands and Conservation Coordination Act
Became law Jun 2026
H 4804 Sexual Exploitation of a Minor, penalties
Became law Jun 2026
H 5073 Public school grading
Became law Jun 2026
H 3034 Fargo's, Hyco's, Rico's, Coba's, Wick's, Mikka's, and Bumi's Law
Became law May 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Mitchell sits in the South Carolina House of Representatives

Mitchell is closer to the center than 13% of the chamber's Republicans.

Dem. medianRep. medianMitchellMore liberalMore conservative

Closest: Chris Huff, Bill Chumley, Ryan McCabe

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET

With Mitchell’s party

  • Votes with the chamber's Republicans89%

Black tick: the average of Republicans in the South Carolina House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Mitchell’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillMitchellRep. majorityDem. majorityResult
Aug 25, 2026H 3305: Supplemental AppropriationsNoYesYesPassed 96–15
Aug 11, 2026H 4042: IvermectinNot votingNoYesPassed 43–51
May 14, 2026H 5122: Internet and Communications Service Providers EquipmentNoYesYesPassed 92–18
May 14, 2026H 4303: Cigarettes for heatingYesYesYesPassed 91–18
May 14, 2026H 4589: Education Capital Improvements Sales and Use TaxNot votingYesYesPassed 91–14

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Mitchell was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026South Carolina House of Representatives, District 21WonR+21.8R+29.5−7.7
2025South Carolina House of Representatives, District 21 (special)Won—R+29.5—

Source: 99chambers results archive; 2026: South Carolina Election Commission (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$35.5K
Spent
$48.5K

Source: South Carolina State Ethics Commission filings through Nov 6, 2025Updated Oct 15, 2026, 1:11 AM ET

Campaign committees

Open committees can still raise and spend money.

Dianne Mitchell
State
Active

Source: South Carolina State Ethics Commission filings through Nov 6, 2025Updated Oct 15, 2026, 1:11 AM ET

How we know Mitchell

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET