South Carolina State Senate seat · lines in effect since 2022
South Carolina Senate District 16
A district of about 122,000 people, 56% of adults with a bachelor's degree. It votes R+15.7 relative to the nation for president.
2024 election
Nov 5, 2024- Michael Johnson (R) · won78.8%
- Kiral Mace (OTH)20.7%
- Write-ins and other votes (OTH)0.5%
Source: South Carolina State Election CommissionUpdated Oct 1, 2026, 6:13 AM ET
Where it sits among all 46 seats
Every South Carolina State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Michael Johnson (R) | Kiral Mace (I) | 58.1 |
| Lines first used in 2012 | |||
| 2020 | Michael Johnson (R) | Ram Mammadov (D) | 26.6 |
| 2016 | Greg Gregory (R) | — | Unopposed |
| 2012 | Greg Gregory (R) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Mick Mulvaney (R) | Mandy Powers Norrell (D) | 7.5 |
| 2004 | Greg Gregory (R) | Donn J. Sinclair (D) | 30.4 |
| Lines first used in 1992 | |||
| 2000 | Greg Gregory (R) | — | Unopposed |
| 1996 | Greg Gregory (R) | Francis Bell Jr. (D) | 15.3 |
| 1992 | Greg Gregory (R) | Caldwell T. Hinson (D) | 24.8 |
| Lines first used in 1982 | |||
| 1988 | Caldwell T. Hinson (D) | — | Unopposed |
| 1984 | Caldwell T. Hinson (D) | — | Unopposed |
| Lines first used in 1972 | |||
| 1980 | Thomas Dewey Wise · William W. Doar Jr. · Glenn F. McConnell · Arthur Ravenel Jr. · Paul Cantrell (DEM) | Don C. Gibson (R) | 0.9 |
| 1976 | William W. Doar Jr. · Allen Carter · Thomas Dewey Wise · Arnold S. Goodstein · Thomas F. Hartnett (DEM) | James C. Joseph Jr. (D) | 1.4 |
| 1972 | William W. Doar Jr. · Thomas Dewey Wise · Thomas F. Hartnett · James B. Edwards · Allen Carter (DEM) | Thomas B. Kennedy (R) | 0.9 |
| Lines first used in 1962 | |||
| 1968 | J. Ralph Gasque · Eugene N. Zeigler · Lanue Floyd (D) | — | Unopposed |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 16
The state's districts in other chambers that share residents with this one, and the share of District 16's area in each.
- U.S. House
- SC-5 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | R+15.9 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 46 seats. Small marks are other seats in South Carolina. The black marker is District 16.
Higher than 98% of seats.
Lower than 84% of seats.
Higher than 89% of seats.
Lower than 84% of seats.
Highest of 46 seats.
Denser than 87% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 1238% college gradsR+23.9Not up in 2026District 44
42% college gradsR+12.9Not up in 2026District 8
49% college gradsR+19.1Not up in 2026District 6
45% college gradsR+25.1Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET