state senate districtSouth Carolina 31st State Senate District
presidential margin
2004–2024 · Democratic minus Republican
2004R+30.8
2008R+21.9
2012R+19.3
2016R+21.9
2020R+17.0
2024R+20.3
net swing · 2004→2024D+10.5R+30.8 → R+20.3
vs. U.S. · 2024R+18.9R+20.3 vs R+1.5
presidential returns
2024 turnout 63.1% of 78,977 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
19,535
29,670
651
49,856
78,977
63.1%
2020
20,983
29,714
600
51,297
79,583†
64.5%
2016
16,881
26,747
1,414
45,042
79,352†
56.8%
2012
17,602
26,142
416
44,160
77,729†
56.8%
2008
17,123
26,909
595
44,627
74,392†
60.0%
2004
13,090
24,901
303
38,294
71,055†
53.9%
† Citizen voting-age population estimated for prior cycles from the constituent-county ACS trend anchored to the current figure. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupSC SD 31South CarolinaUnited States
English13.1%12.1%9.5%
American13.0%8.2%5.3%
German6.5%9.4%12.5%
Irish6.4%9.1%9.4%
Italian1.7%3.4%4.8%
Scotch-Irish1.6%1.4%—
Scottish1.4%2.1%1.3%
French1.1%1.1%1.6%
African American†32.2%23.4%9.9%
African0.4%0.6%0.5%
Jamaican0.3%0.2%0.4%
Mexican1.9%3.4%11.3%
Puerto Rican0.6%1.0%1.8%
Honduran0.2%0.4%0.3%
Asian Indian0.6%0.5%1.4%
Chinese0.4%0.2%1.3%
Filipino0.3%0.3%0.9%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
SC SD 31
South Carolina
United States
Median age
39.5
40.5
39.1
Age 18–24
8.7%
9.1%
9.2%
Age 65 and older
18.0%
18.9%
17.2%
Household economy
Measure
SC SD 31
South Carolina
United States
Median household income
$63,773
$69,324
$84,427
Poverty rate
16.8%
14.1%
12.5%
Bachelor's degree or higher (25+)
24.4%
32.1%
35.6%
Languages at home
Measure
SC SD 31
South Carolina
United States
Speaks a non-English language at home
4.5%
8.4%
22.3%
Spanish
2.6%
5.2%
13.6%
Religious landscape
Measure
SC SD 31
South Carolina
United States
Catholic
—
8.0%
18.6%
Evangelical Protestant
—
28.6%
16.5%
Unclaimed / not counted
—
47.5%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
South Carolina 31st State Senate District
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
−30.8%
2008
−21.9%
2012
−19.3%
2016
−21.9%
2020
−17.0%
2024
−20.3%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
39.2%Harris19,535
59.5%Trump29,670
1.3%
R+20.3
R+3.3
R+18.9
49,856
R
40.9%Biden20,983
57.9%Trump29,714
1.2%
R+17.0
D+4.9
R+21.5
51,297
R
37.5%Clinton16,881
59.4%Trump26,747
3.1%
R+21.9
R+2.6
R+24.0
45,042
R
39.9%Obama17,602
59.2%Romney26,142
0.9%
R+19.3
D+2.6
R+23.2
44,160
R
38.4%Obama17,123
60.3%McCain26,909
1.3%
R+21.9
D+8.9
R+29.2
44,627
R
34.2%Kerry13,090
65.0%Bush24,901
0.8%
R+30.8
—
R+28.4
38,294
current representation
Current officeholders
RMike ReichenbachState Senate · 31
State legislative officeholder from OpenStates nightly current-legislator data.
With roughly 107,000 residents and a 13-point Republican lean in 2024, South Carolina Senate District 31 sits firmly in the state's competitive-but-red interior, where suburban growth and rural tradition shape the electorate in roughly equal measure.
Across the recorded series it reached a Republican high of 30.8 points in 2004. Between 2020 and 2024 the district moved 3.3 points toward the Republican candidate; the 2024 margin was 20.3 points.
A population of 106,681, a 58% non-Hispanic-white share, and a median household income of $63,773 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 23 and State Senate District 18.
Akashic
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
South Carolina 31st State Senate District. Akashic. https://akashic.app/sld-upper/45031/. Accessed May 20, 2026. License: CC BY 4.0.
How did South Carolina 31st State Senate District vote in 2024?
In 2024, South Carolina 31st State Senate District voted Republican by 20.3 points (R+20.3), carried by the Republican candidate. Out of 49,856 votes cast, 19,535 went Democratic and 29,670 went Republican.
How many people live in South Carolina 31st State Senate District?
South Carolina 31st State Senate District has a population of 106,681 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in South Carolina 31st State Senate District?
Median household income in South Carolina 31st State Senate District is $63,773 — below the national median of $80,734. The South Carolina state median is $69,324.
What is the political history of South Carolina 31st State Senate District?
Akashic tracks 6 presidential elections in South Carolina 31st State Senate District from 2004 to 2024. Of those, 0 went Democratic and 6 went Republican.
