South Carolina Gas Prices
Weekly average gasoline price for South Carolina — EIA retail survey data.
Current South Carolina Gas Price
South Carolina Average
$3.924/gal
Week ending Monday, July 20, 2026
EIA does not publish a direct weekly series for South Carolina. Showing PADD 1 (East Coast) regional average.
vs last year: +$0.918 (+30.5%)
National average
$4.001
vs national
-$0.077
National rank
#34 of 51
Weekly retail gasoline survey data from U.S. Energy Information Administration (EIA) (eia.gov). Updated 7/22/2026, 12:46:51 PM ET. Not live pump prices — always check your local station for current prices.
12-Month Price Trend
+$0.925 (+30.8%) over 52 weeksSouth Carolina Gas Taxes
State gas tax
28¢/gal
With federal (18.4¢)
46.4¢/gal
vs. state average
-5.7¢
South Carolina drivers pay about 28¢ per gallon in state gasoline taxes, below the 33.7¢ average across the 50 states and D.C. Figures are approximate (as of 2025) and exclude local sales taxes; verify current rates with your state revenue department.
Other States
See the latest weekly average gasoline price for South Carolina, updated from official EIA retail survey data. Compare South Carolina's price to the national average, track a 12-month trend, and see how state fuel taxes factor in.
EIA updates weekly — not live pump prices. Where EIA does not publish a direct South Carolina series, this page shows the best available regional average with a clear note. Always check local stations for current pump prices.
Current South Carolina Gas Price
This page lists the latest weekly average retail price for regular gasoline in South Carolina, along with the survey week ending date and the trend versus last week and last year.
South Carolina Gas Taxes
Drivers in South Carolina pay about 28¢ per gallon in state gasoline taxes — roughly 46.4¢ once the 18.4¢ federal tax is included — which is 5.7¢ below the 33.7¢ average across the 50 states and D.C. (approximate, as of 2025).
South Carolina vs. National Average
Comparing South Carolina's price to the U.S. average shows whether local drivers pay more or less than the nation as a whole. State fuel taxes, regional refining capacity, and supply logistics are the main drivers of that gap.
Why Do Gas Prices Move?
Gasoline prices follow crude oil markets, refinery output, seasonal demand, and state taxes. Geopolitical events, hurricanes affecting Gulf Coast refineries, and OPEC production decisions can move prices sharply within weeks.
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South Carolina Gas Prices — Frequently Asked Questions
- What is the average gas price in South Carolina?
- The EIA publishes a weekly average retail price for regular gasoline, typically each Monday for the prior week. This page lists the current South Carolina weekly average with its survey date and 12-month trend. It is a survey average, not a live pump price.
- What is the gas tax in South Carolina?
- South Carolina levies about 28¢ per gallon in state gasoline taxes, or roughly 46.4¢ per gallon including the 18.4¢ federal tax (approximate, as of 2025). Fuel taxes are one of the largest reasons prices differ between neighboring states.
- Are these live pump prices in South Carolina?
- No. These are EIA weekly survey averages, not real-time prices at individual gas stations. Check local stations for current pump prices.
- Why is gas expensive in South Carolina?
- State fuel taxes, environmental regulations, distance from refineries, and regional supply all affect South Carolina gasoline prices relative to other states.