Diesel Prices in District of Columbia Today
Average diesel price in District of Columbia: $6.506 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in District of Columbia today?
Diesel in District of Columbia averages $6.506 per gallon today (September 22, 2026), $0.023 less than the U.S. average of $6.529. District of Columbia ranks #36 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 today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in District of Columbia
Estimated diesel cost at today's District of Columbia price of $6.506 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 | $1,078 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.08 | $1,076 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.73 | $731 |
| 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 $6.506 per gallon today (September 22, 2026), $0.023 less than the U.S. average of $6.529. District of Columbia ranks #36 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 $6.51 a gallon, 150 gallons of diesel costs about $976 and 200 gallons about $1,301 in District of Columbia today.
Is diesel cheaper in District of Columbia than nearby states?
Among nearby states in the same region, the cheapest today is Delaware at $6.427 a gallon. District of Columbia is $6.506.
How often are District of Columbia diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Delaware | $6.427 |
| New Jersey | $6.465 |
| Maryland | $6.494 |
| New York | $6.504 |
| Pennsylvania | $6.610 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through District of Columbia?
Texas Solutions dispatches semis for 5%, hotshots for 8% and box trucks for 10% of weekly gross. We plan lanes to cut empty miles and fuel.