Updated May 21, 2026 — Prices updated regularly from EIA data
$2.85
Average regular unleaded — Mississippi
Today's Mississippi Gas Prices
Gas in Mississippi averages $$2.85 per gallon this {month}, below ($1.64) what most Americans are paying. The state's {tax}-cent fuel tax and Southeast supply dynamics combine to produce Mississippi's characteristic pricing patterns.
Gas stations in Mississippi typically update prices once per day, usually in the morning. The key is the day of the week — Monday and Tuesday before mid-morning updates typically reflect the weekly low price.
Top strategies for Mississippi drivers: use GasBuddy to find the lowest price before every fill-up, join a warehouse club for consistent savings, use a gas rewards credit card for 3-5% back, fill up on weekdays (Monday-Tuesday), and maintain proper tire inflation to maximize your MPG.
The current average price for regular unleaded in Mississippi is $$2.85 per gallon. Mid-grade averages $$3.22 and premium runs $$3.46. Diesel is $$3.55 per gallon. Prices vary by city and brand by 10-25 cents per gallon across the state.
Mississippi's gas prices reflect its state fuel tax of 18 cents per gallon state fuel tax of 18 cents per gallon and its Southeast location. {supplyNote} also plays a significant role in what Mississippi drivers pay at the pump.
Gas prices within Mississippi typically vary 10-20 cents across cities. Urban areas with intense station competition often have better prices than rural regions with fewer options. Warehouse clubs in any major Mississippi city consistently offer the best prices statewide.
