State · regular gasoline · per gallon$4.27Colorado gas prices, week of October 19, 2026.

Name: Average retail price of regular gasoline in Colorado
Creator: U.S. Energy Information Administration

The average price of regular gasoline in Colorado is $4.274 per gallon for the week of October 19, 2026, according to the U.S. Energy Information Administration. That is $0.01 below the U.S. average of $4.284, and up $0.10 from last week. It ranks #6 cheapest of the 9 states EIA tracks.

vs U.S. average: −$0.010calculated
vs last week: +$0.099calculated
vs last year: +$1.518+55.1% · calculated
52-week low: $2.188week of Jan 5
52-week high: $4.618week of May 18

Every grade

Grade	This week	vs last week	vs last year
Regular	$4.274	+$0.099	+$1.518
Midgrade	$4.684	+$0.108	+$1.545
Premium	$5.018	+$0.114	+$1.552

Source: U.S. Energy Information Administration. Changes are calculated by Cheapest Fill. EIA does not publish a diesel price for this area.

Colorado vs the U.S., 52 weeks

Colorado regularU.S. average

Data table: last 12 weeks

Week of	Colorado	U.S.
October 19, 2026	$4.274	$4.284
October 12, 2026	$4.175	$4.331
October 5, 2026	$4.020	$4.354
September 28, 2026	$4.094	$4.465
September 21, 2026	$4.257	$4.478
September 14, 2026	$4.230	$4.319
September 7, 2026	$4.187	$4.157
August 31, 2026	$4.132	$4.071
August 24, 2026	$4.384	$4.085
August 17, 2026	$4.255	$4.049
August 10, 2026	$4.046	$4.006
August 3, 2026	$4.051	$4.079

Other states

Area	Regular	Week	Year
01Texas	$3.704	−$0.075	+$1.193
02Florida	$3.981	−$0.001	+$1.152
03Ohio	$4.049	+$0.179	+$1.042
04Minnesota	$4.180	−$0.004	+$1.325
05Massachusetts	$4.202	−$0.056	+$1.290
06Colorado	$4.274	+$0.099	+$1.518
07New York	$4.313	−$0.040	+$1.298
08Washington	$5.332	−$0.045	+$1.027
09California	$6.031	−$0.073	+$1.605

In context

How Colorado connects to the areas around it. Prices are regular gasoline, per gallon.

Metro areas in Colorado

Denver · $4.244

Region

Rocky Mountain · $4.468

Questions

What is the average price of gas in Colorado?: $4.274 per gallon for regular for the week of October 19, 2026. Midgrade averages $4.684 and premium $5.018.
Is gas more expensive in Colorado than the rest of the country?: It is $0.01 cheaper than the U.S. average of $4.284 for regular.
Are gas prices in Colorado higher than last year?: Yes: regular was $2.756 a year earlier, so it is up $1.52 (+55.1%). This comparison is calculated by Cheapest Fill from EIA figures.
How high and low has gas been in Colorado this year?: Over the last 52 weeks regular ranged from $2.188 (week of Jan 5) to $4.618 (week of May 18).
Can I find the cheapest gas station in Colorado here?: No. EIA publishes the area average, not prices for individual stations, and station prices within Colorado can sit well above or below it. See gas prices near me for how to use the average.