Counties in South Carolina ranked
York County is lowest at 1.7%, a gap of 3.4 times. The median South Carolina county sits at 3.1%, against 3.3% for the median U.S. county. Source for South Carolina: DOE LEAD 2022.
South Carolina county map
- 1.7% to 2.4%
- 2.4% to 3.0%
- 3.0% to 3.4%
- 3.4% to 4.2%
- 4.2% to 5.7%
South Carolina counties, darker = higher. Click one for its page.
Highest energy burden in South Carolina
Allendale County leads South Carolina on burden at 5.7% of income and Bamberg County follows at 4.8%. For lower-income homes the top is Allendale County: 16.5% of income, against 11.1% in the median South Carolina county.
| Lowest burden in South Carolina | Share of income (SC) | Residents (SC) |
|---|---|---|
| York County | 1.7% | 288,559 |
| Beaufort County | 1.8% | 192,123 |
| Charleston County | 1.8% | 414,711 |
| Greenville County | 1.9% | 537,575 |
| Horry County | 2.1% | 368,937 |
Storm reports and FEMA risk in South Carolina
NOAA logged 631 damaging-wind, tornado, tropical, ice, winter and heat reports in Colleton County from 2015 to 2025, 1,634 for every 100,000 residents: the most in South Carolina. FEMA scores Charleston County highest at 98.6 (relatively high). In South Carolina these are weather reports and an index, not outage counts.
| Top 5 in South Carolina | reports 2015-2025 (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Colleton County | 1,634 | 38,623 | 1st |
| Hampton County | 846 | 18,555 | 2nd |
| Allendale County | 801 | 7,738 | 3rd |
| McCormick County | 773 | 9,701 | 4th |
| Fairfield County | 747 | 20,741 | 5th |
| Top 5 in South Carolina | score 0-100 (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Charleston County | 98.6 | 414,711 | 1st |
| Horry County | 98.2 | 368,937 | 2nd |
| Beaufort County | 97.1 | 192,123 | 3rd |
| Berkeley County | 94.8 | 238,723 | 4th |
| Greenville County | 94.0 | 537,575 | 5th |
Flood claims and flood insurance in South Carolina
Georgetown County has the most NFIP flood claims per 1,000 homes in South Carolina: 65.5 from 2015 to 2025, against 2.4 in the median South Carolina county. Beaufort County has the highest share of homes with flood insurance (39.7%, median county 0.5%). Claims are a record of insured losses, not outage counts.
| Top 5 in South Carolina | claims 2015-2025 (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Georgetown County | 65.5 | 64,200 | 1st |
| Beaufort County | 51.8 | 192,123 | 2nd |
| Charleston County | 41.0 | 414,711 | 3rd |
| Horry County | 32.5 | 368,937 | 4th |
| Marion County | 30.4 | 28,900 | 5th |
| Top 5 in South Carolina | % of homes insured (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Beaufort County | 39.7% | 192,123 | 1st |
| Charleston County | 31.7% | 414,711 | 2nd |
| Georgetown County | 20.6% | 64,200 | 3rd |
| Jasper County | 17.8% | 30,658 | 4th |
| Horry County | 14.6% | 368,937 | 5th |
FEMA OpenFEMA NFIP, as of 8 Sep 2026. Flood claims by county.
Outliers: South Carolina counties far from the state median
10 county-measure pairs sit 3 or more scaled median-absolute-deviation units from the South Carolina median. Most extreme: Beaufort County, share of homes with flood insurance 39.7% against a median of 0.5%.
| County | Measure | Value | South Carolina median | Deviations |
|---|---|---|---|---|
| Beaufort County | Flood insurance penetration | 39.7% | 0.5% | +78.9 |
| Charleston County | Flood insurance penetration | 31.7% | 0.5% | +62.8 |
| Georgetown County | Flood insurance penetration | 20.6% | 0.5% | +40.6 |
| Jasper County | Flood insurance penetration | 17.8% | 0.5% | +34.8 |
| Horry County | Flood insurance penetration | 14.6% | 0.5% | +28.5 |
| Georgetown County | Flood claims per 1,000 homes | 65.5 | 2.4 | +20.1 |
| Beaufort County | Flood claims per 1,000 homes | 51.8 | 2.4 | +15.7 |
| Colleton County | Flood insurance penetration | 8.1% | 0.5% | +15.3 |
| Berkeley County | Flood insurance penetration | 7.2% | 0.5% | +13.4 |
| Charleston County | Flood claims per 1,000 homes | 41.0 | 2.4 | +12.3 |
Old homes, electric heat and utilities in South Carolina
Union County has the oldest stock: 62% of homes date from before 1980. Electric heat is most common in Clarendon County at 90% of homes, and Kershaw County lists 6 utilities, the most in South Carolina.
| Top 5 in South Carolina | % of homes (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Union County | 62% | 26,990 | 1st |
| Greenwood County | 56% | 69,329 | 2nd |
| Bamberg County | 55% | 13,164 | 3rd |
| Marlboro County | 54% | 26,285 | 4th |
| Chester County | 53% | 32,177 | 5th |
| Top 5 in South Carolina | % of homes (SC) | Residents (SC) | Rank (SC) |
|---|---|---|---|
| Clarendon County | 90% | 31,037 | 1st |
| Darlington County | 89% | 62,754 | 2nd |
| Dillon County | 88% | 28,031 | 3rd |
| Horry County | 88% | 368,937 | 4th |
| Georgetown County | 88% | 64,200 | 5th |
Find your South Carolina county
- Pick a South Carolina county to see its ranks.
All 46 South Carolina counties, sortable
| Abbeville County | 24,352 | 3.4% | 12.2% | 144 | 45.4 | 51% | 67% | 2 | no data | 0.1% | 35 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aiken County | 171,949 | 3.0% | 11.2% | 127 | 84.2 | 39% | 63% | 3 | 0.3 | 0.6% | 219 |
| Allendale County | 7,738 | 5.7% | 16.5% | 801 | 35.5 | 49% | 71% | 2 | 1.2 | 0.1% | 62 |
| Anderson County | 207,218 | 2.2% | 8.5% | 63 | 87.2 | 40% | 65% | 3 | 0.2 | 0.1% | 131 |
| Bamberg County | 13,164 | 4.8% | 15.2% | 418 | 46.5 | 55% | 73% | 1 | 4.9 | 0.5% | 55 |
| Barnwell County | 20,565 | 4.5% | 15.2% | 331 | 45.8 | 42% | 77% | 2 | no data | 0.1% | 68 |
| Beaufort County | 192,123 | 1.8% | 9.2% | 159 | 97.1 | 17% | 81% | 2 | 51.8 | 39.7% | 306 |
| Berkeley County | 238,723 | 2.1% | 9.3% | 82 | 94.8 | 20% | 78% | 4 | 5.3 | 7.2% | 196 |
| Calhoun County | 14,150 | 3.5% | 15.0% | 650 | 22.6 | 39% | 83% | 3 | no data | 0.2% | 92 |
| Charleston County | 414,711 | 1.8% | 10.4% | 69 | 98.6 | 35% | 77% | 2 | 41.0 | 31.7% | 285 |
| Cherokee County | 56,299 | 3.1% | 9.6% | 117 | 69.7 | 47% | 70% | 5 | no data | 0.1% | 66 |
| Chester County | 32,177 | 3.3% | 10.1% | 174 | 43.2 | 53% | 52% | 4 | no data | 0.2% | 56 |
| Chesterfield County | 43,575 | 3.5% | 10.2% | 317 | 74.0 | 41% | 79% | 3 | 0.3 | 0.1% | 138 |
| Clarendon County | 31,037 | 3.4% | 11.3% | 406 | 76.5 | 30% | 90% | 3 | 2.6 | 0.5% | 126 |
| Colleton County | 38,623 | 4.2% | 12.7% | 1,634 | 85.5 | 36% | 80% | 2 | 26.3 | 8.1% | 631 |
| Darlington County | 62,754 | 3.0% | 9.8% | 234 | 72.3 | 45% | 89% | 2 | 2.2 | 0.3% | 147 |
| Dillon County | 28,031 | 3.5% | 11.0% | 171 | 84.3 | 43% | 88% | 2 | 8.2 | 0.8% | 48 |
| Dorchester County | 164,322 | 2.4% | 9.9% | 159 | 93.7 | 20% | 77% | 3 | 11.6 | 5.0% | 262 |
| Edgefield County | 26,508 | 3.0% | 12.2% | 332 | 22.0 | 33% | 74% | 2 | 0.8 | 0.4% | 88 |
| Fairfield County | 20,741 | 3.7% | 13.5% | 747 | 40.8 | 47% | 68% | 4 | 4.5 | 1.6% | 155 |
| Florence County | 136,921 | 2.5% | 10.3% | 87 | 89.6 | 42% | 84% | 3 | 6.3 | 0.9% | 119 |
| Georgetown County | 64,200 | 2.7% | 12.0% | 131 | 92.5 | 28% | 88% | 3 | 65.5 | 20.6% | 84 |
| Greenville County | 537,575 | 1.9% | 8.2% | 28 | 94.0 | 36% | 57% | 4 | 1.6 | 0.6% | 149 |
| Greenwood County | 69,329 | 3.1% | 9.3% | 100 | 72.7 | 56% | 66% | 3 | 1.2 | 0.2% | 69 |
| Hampton County | 18,555 | 4.5% | 11.5% | 846 | 64.8 | 40% | 82% | 2 | 1.1 | 0.8% | 157 |
| Horry County | 368,937 | 2.1% | 7.5% | 50 | 98.2 | 17% | 88% | 3 | 32.5 | 14.6% | 183 |
| Jasper County | 30,658 | 2.6% | 11.5% | 646 | 78.6 | 20% | 76% | 2 | 7.8 | 17.8% | 198 |
| Kershaw County | 66,924 | 3.1% | 11.4% | 197 | 66.7 | 33% | 74% | 6 | 3.3 | 1.0% | 132 |
| Lancaster County | 100,905 | 2.4% | 10.9% | 147 | 79.4 | 32% | 44% | 3 | 0.5 | 0.4% | 148 |
| Laurens County | 67,904 | 3.7% | 12.3% | 118 | 76.2 | 43% | 64% | 3 | 0.5 | 0.2% | 80 |
| Lee County | 16,330 | 4.2% | 10.2% | 367 | 36.0 | 44% | 87% | 3 | 1.9 | 0.2% | 60 |
| Lexington County | 300,370 | 2.6% | 9.9% | 132 | 90.9 | 32% | 70% | 5 | 4.1 | 1.1% | 396 |
| Marion County | 28,900 | 3.9% | 11.1% | 221 | 80.7 | 46% | 85% | 2 | 30.4 | 2.0% | 64 |
| Marlboro County | 26,285 | 4.3% | 11.4% | 316 | 57.5 | 54% | 77% | 2 | 2.4 | 0.3% | 83 |
| McCormick County | 9,701 | 3.8% | 14.8% | 773 | 9.5 | 47% | 82% | 2 | no data | 1.4% | 75 |
| Newberry County | 38,121 | 2.9% | 9.6% | 582 | 62.0 | 49% | 66% | 5 | 0.6 | 0.6% | 222 |
| Oconee County | 79,566 | 2.8% | 11.2% | 136 | 85.6 | 35% | 70% | 3 | 0.3 | 0.2% | 108 |
| Orangeburg County | 83,531 | 4.1% | 12.5% | 278 | 87.7 | 46% | 81% | 4 | 2.4 | 0.5% | 232 |
| Pickens County | 132,604 | 3.2% | 10.7% | 69 | 77.6 | 36% | 61% | 3 | 0.5 | 0.3% | 92 |
| Richland County | 418,725 | 2.8% | 11.9% | 102 | 93.1 | 39% | 73% | 4 | 7.2 | 1.3% | 426 |
| Saluda County | 18,958 | 3.2% | 10.2% | 475 | 40.1 | 40% | 72% | 3 | 0.5 | 0.3% | 90 |
| Spartanburg County | 338,096 | 2.3% | 8.4% | 45 | 90.6 | 39% | 68% | 6 | 0.6 | 0.2% | 153 |
| Sumter County | 104,853 | 2.9% | 10.2% | 213 | 81.7 | 37% | 85% | 3 | 5.0 | 1.0% | 223 |
| Union County | 26,990 | 4.5% | 12.6% | 252 | 58.2 | 62% | 58% | 4 | no data | 0.0% | 68 |
| Williamsburg County | 30,517 | 4.5% | 13.6% | 164 | 82.1 | 40% | 85% | 2 | 4.7 | 0.5% | 50 |
| York County | 288,559 | 1.7% | 7.8% | 33 | 88.7 | 24% | 50% | 6 | 0.3 | 0.4% | 95 |
South Carolina: click a header to sort. Per-capita storm rates start at 5,000 residents.
Sources
| Source | Period | Retrieved |
|---|---|---|
| DOE LEAD (SC) | 2022 | 2 Oct 2026 |
| FEMA NRI (SC) | Dec 2025 | 2 Oct 2026 |
| NOAA Storm Events (SC) | 2015 to 2025 | 2 Oct 2026 |
| Census ACS (SC) | 2019 to 2023 | 2 Oct 2026 |
| EIA-861 (SC) | 2024 | 1 Oct 2026 |
South Carolina LEAD figures are group estimates, not bills. Methodology.
Keep going
- South Carolina prices, utilities and outages
- Help paying bills in South Carolina
- Top 100 counties, city rankings, state burden ranking
Other states: South Dakota, Tennessee, Texas, Utah, Vermont, Virginia.
Questions
Which South Carolina county has the highest home energy burden?
Allendale County: 5.7% of income, against 3.1% for the median South Carolina county (DOE LEAD 2022).
Which South Carolina county has the lowest energy burden?
York County at 1.7% of income.
How does South Carolina compare with the whole country?
The median South Carolina county has a burden of 3.1% and the median U.S. county 3.3%, across 46 South Carolina counties and 3,053 U.S. counties with data.
Where do storms cause the most trouble in South Carolina?
Colleton County has the most NOAA storm reports per 100,000 residents: 1,634 between 2015 and 2025.
Which South Carolina county has the highest FEMA risk score?
Charleston County: 98.6, rated relatively high by FEMA (Dec 2025).
Where are the oldest homes in South Carolina?
Union County: 62% of homes were built before 1980; the median South Carolina county is at 40% (Census ACS 2023).
Which South Carolina county relies most on electric heat?
Clarendon County: 90% of homes heat with electricity, against 75% in the median county.
Which South Carolina county has the most flood claims per home?
Georgetown County: 65.5 NFIP claims per 1,000 homes from 2015 to 2025; the median South Carolina county has 2.4 (FEMA OpenFEMA).
Are storm reports the same as power outages in South Carolina?
No: in South Carolina they are weather reports, not outage counts.
Where can South Carolina households get help with bills?
See the South Carolina help page. Highest burden: Allendale County.