How gas prices have changed in Mount Vernon in the last week

Stacker compiled statistics on gas prices in Mount Vernon-Anacortes, WA metro area using data from AAA. Gas prices are current as of July 27.

Mount Vernon by the numbers
- Gas current price: $4.88
--- Washington average: $5.11
- Week change: +$0.17 (+3.6%)
- Year change: +$0.66 (+15.7%)
- Historical expensive gas price: $5.68 (5/22/26)

- Diesel current price: $5.95
- Week change: +$0.18 (+3.1%)
- Year change: +$1.07 (+21.9%)
- Historical expensive diesel price: $6.80 (4/12/26)

Metros with the least expensive gas
#1. Clarksville, IN: $3.34
#2. Evansville, IN: $3.39
#3. Columbus, IN: $3.44

Read on to see which metros have the most expensive gas prices.