- Lead
- 1,052
- Total
- 6,153
- vs nation
- R+15.6
- Turnout
- 71.0%
McCormick County, SC
President margin by year
Place winner margin
President results by year
2024 turnout 71.0% of 8,761 citizens 18+
- Lead
- 271
- Total
- 5,697
- vs nation
- R+9.2
- Turnout
- 69.6%
- Lead
- 173
- Total
- 5,216
- vs nation
- R+5.4
- Turnout
- 61.9%
- Lead
- 186
- Total
- 5,160
- vs nation
- R+0.3
- Turnout
- —
- Lead
- 318
- Total
- 5,232
- vs nation
- R+1.2
- Turnout
- —
- Lead
- 252
- Total
- 5,122
- vs nation
- D+7.4
- Turnout
- —
- Lead
- 192
- Total
- 3,661
- vs nation
- D+4.7
- Turnout
- —
- Lead
- 754
- Total
- 3,123
- vs nation
- D+15.6
- Turnout
- —
Key facts
- 2024 presidential margin
- R+17.1MIT Election Lab
- Population
- 9,7602024 5-year
- Median household income
- $55,7982024 5-year
- White (non-Hispanic)
- 56.1%2024 5-year
- Black
- 40.0%2024 5-year
- Hispanic / Latino
- 0.8%2024 5-year
- Peak Democratic margin
- D+100.0 in 1920MIT Election Lab
- Peak Republican margin
- R+30.7 in 1964MIT Election Lab
- Most similar
- McIntosh County, GA · twin score 87.4
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 71.0%6,221 participants ÷ 8,761 CVAP
- 2020→2022 drop-off
- +15.4 ptsVolatile
- Drop-off versus state
- -6.2 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 55.6%–59.2%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 5,277 | 8,528 | 61.9% | A/A |
| 2018 · Midterm | 4,490 | 8,372 | 53.6% | A/A |
| 2020 · Presidential | 5,795 | 8,326 | 69.6% | A/A |
| 2022 · Midterm | 4,636 | 8,548 | 54.2% | A/A |
| 2024 · Presidential | 6,221 | 8,761 | 71.0% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
11 precincts · 6,153 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -SavannahSavannah | 610 | 1,506 | 22 | 2,138 | 28.5% | 70.4% | R+41.9 |
|---|---|---|---|---|---|---|---|
| Precinct -Mccormick No. 1Mccormick No. 1 | 486 | 340 | 15 | 841 | 57.8% | 40.4% | D+17.4 |
| Precinct -MonticelloMonticello | 193 | 489 | 6 | 688 | 28.1% | 71.1% | R+43.0 |
| Precinct -Plum BranchPlum Branch | 300 | 296 | 6 | 602 | 49.8% | 49.2% | D+0.7 |
| Precinct -Mccormick No. 2Mccormick No. 2 | 354 | 183 | 13 | 550 | 64.4% | 33.3% | D+31.1 |
| Precinct -Clark's HillClark's Hill | 164 | 223 | 2 | 389 | 42.2% | 57.3% | R+15.2 |
| Precinct -BethanyBethany | 171 | 67 | 2 | 240 | 71.3% | 27.9% | D+43.3 |
| Precinct -ModocModoc | 24 | 209 | 1 | 234 | 10.3% | 89.3% | R+79.1 |
| Precinct -WillingtonWillington | 89 | 85 | 2 | 176 | 50.6% | 48.3% | D+2.3 |
| Precinct -ParksvilleParksville | 26 | 137 | 2 | 165 | 15.8% | 83.0% | R+67.3 |
| Precinct -Mt. CarmelMt. Carmel | 96 | 30 | 4 | 130 | 73.8% | 23.1% | D+50.8 |
Presidential margin, 1916–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1916 | +99.7% |
| 1920 | +100.0% |
| 1924 | +91.7% |
| 1928 | +93.6% |
| 1932 | +99.1% |
| 1936 | +98.8% |
| 1940 | +94.9% |
| 1944 | +86.4% |
| 1948 | +4.0% |
| 1952 | +3.9% |
| 1956 | +44.1% |
| 1960 | +32.4% |
| 1964 | −30.7% |
| 1968 | +23.6% |
| 1972 | −21.2% |
| 1976 | +46.7% |
| 1980 | +37.5% |
| 1984 | +12.5% |
| 1988 | +18.9% |
| 1992 | +31.0% |
| 1996 | +24.1% |
| 2000 | +5.2% |
| 2004 | +4.9% |
| 2008 | +6.1% |
| 2012 | +3.6% |
| 2016 | −3.3% |
| 2020 | −4.8% |
| 2024 | −17.1% |
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate special elections
Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 7,164 |
| 2018 | 7,790 |
| 2020 | 8,380 |
| 2022 | 8,349 |
| 2024 | 8,634 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+326 net domestic migration · 2025
Net +1,178 over 2011–2025 · gain loss
Arrivals reported $95,489 in average income, against $67,597 for residents who stayed — 41% higher. (IRS SOI, 2022–23)
The places arrivals came from lean R+27.6 on average — 10 points more Republican-leaning than McCormick County, SC itself (R+17.1).
Where arrivals came from lean of each source
- Greenwood County, SC31R+29.0
- Columbia County, GA22R+25.6
Where departures went households, 2022–23
- Greenwood County, SC35
- Edgefield County, SC21
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −139 |
| 2012 | −23 |
| 2013 | +25 |
| 2014 | +1 |
| 2015 | −98 |
| 2016 | −1 |
| 2017 | +73 |
| 2018 | −52 |
| 2019 | +157 |
| 2021 | +395 |
| 2022 | +74 |
| 2023 | +164 |
| 2024 | +276 |
| 2025 | +326 |
McCormick County sits along the Georgia border wrapped around the Savannah River reservoir, with a population under 10,000 that voted Republican by 17 points in 2024 despite a substantial Black residential share that historically kept margins closer.
Across the recorded series it reached a Democratic high of 100.0 points in 1920 and a Republican high of 30.7 points in 1964. Between 2020 and 2024 the county moved 12.3 points toward the Republican candidate; the 2024 margin was 17.1 points.
A population of 9,760, a 56% non-Hispanic-white share, and a median household income of $55,798 describe the county. The county's voting pattern over the last decade is most similar to that of McIntosh County and Northampton County.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
McCormick County, South Carolina. Akashic. https://akashic.app/county/45065/. Accessed May 20, 2026. License: CC BY 4.0.