Diesel Prices in District of Columbia Today
Average diesel price in District of Columbia: $6.505 per gallon on October 21, 2026. EIA U.S. weekly average $6.276. Current
What is the price of diesel in District of Columbia today?
Diesel in District of Columbia averages $6.505 per gallon (AAA daily state average, October 21, 2026), $0.229 more than the U.S. average of $6.276. District of Columbia ranks #40 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in District of Columbia.
per gallon, October 21, 2026
U.S. average $6.276
of 51 (1 = cheapest)
semi truck, today price
Fuel cost per mile in District of Columbia
Estimated diesel cost at the today District of Columbia price of $6.505 a gallon, using fuel economy calibrated to FHWA and NACFE data.
| Truck | Fuel per mile | Fuel per 1,000 miles |
|---|---|---|
| Dry Van38,000 lbs, ~6.3 mpg | $1.03 | $1,035 |
| Reefer38,000 lbs, ~6.0 mpg | $1.08 | $1,077 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.08 | $1,075 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.73 | $730 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.71 | $713 |
Your numbers depend on load weight, speed, terrain and idling. Enter them in the truck fuel cost calculator for an exact estimate.
Frequently asked questions
What is the price of diesel in District of Columbia today?
Diesel in District of Columbia averages $6.505 per gallon (AAA daily state average, October 21, 2026), $0.229 more than the U.S. average of $6.276. District of Columbia ranks #40 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in District of Columbia.
How much does it cost to fill a semi truck in District of Columbia?
At $6.50 a gallon, 150 gallons of diesel costs about $976 and 200 gallons about $1,301 in District of Columbia at the today average.
Is diesel cheaper in District of Columbia than nearby states?
Among nearby states in the same region, the cheapest today is Delaware at $6.331 a gallon. District of Columbia is $6.505.
How often are District of Columbia diesel prices updated?
The page checks for new prices twice a day. AAA publishes daily state averages; the EIA weekly regional average is shown only if a state has no daily value. If a source stops updating, the last value stays with its real date and a stale label.
| Delaware | $6.331 |
| Maryland | $6.368 |
| New Jersey | $6.394 |
| New York | $6.506 |
| Pennsylvania | $6.615 |
Source: AAA daily state average, October 21, 2026. All 50 states
Running freight through District of Columbia?
Texas Solutions dispatches semis for 5%, hotshots for 7% and box trucks for 8% of weekly gross. We plan lanes to cut empty miles and fuel.
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