Gas prices in Cedar Park, TX today
Updated Jun 14, 2026, 8:50 AM
Price by chain — today
cheapest
Costco
$3.67
— no change
1 station nearby
⚑ membership price
Chevron
$3.69
— no change
4 stations nearby
Murphy USA
$3.69
— no change
3 stations nearby
Valero
$3.71
— no change
3 stations nearby
7-Eleven
$3.71
— no change
4 stations nearby
Exxon
$3.71
— no change
5 stations nearby
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Gas prices in Cedar Park, Williamson County are updated hourly.
Cedar Park is a city of 77,595 residents in Central Texas.
The cheapest regular unleaded today is $3.670/gal at Costco — filling a 15-gallon tank costs $55.05.
Compared to the Texas state average of $3.624/gal, Cedar Park drivers pay close to the statewide average.
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gas price
Price per gallon
Murphy USA · Regular
$2.79
Passengers
1
2
3
4
5
6
Distance
239 mi
Houston → Dallas
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Fuel prices & local data — Cedar Park, TX ⛽
8:50 AM CT
Williamson CountyAustin MetroUS-183 corridor77,595 residents
Cedar Park is the fastest-growing city in Williamson County with Apple's $1B Austin campus 15 miles south and Firefly Aerospace's rocket development HQ in nearby Briggs.
78K
population
2.2
vehicles / household
16%
truck ownership
~$323
est. monthly fuel
What is the cheapest gas station in Cedar Park, TX right now?
Costco membership price is currently the cheapest at $3.67/gal for regular unleaded. Prices last updated Jun 14, 2026, 8:50 AM.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT
How much does a full tank cost in Cedar Park, TX?
At current prices, filling a 15-gallon tank costs $55.05 at Costco. A 20-gallon tank costs $73.40.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT
Do I need a membership to get the cheapest fuel in Cedar Park, TX?
Yes — Costco membership price posts $3.67/gal and requires a paid membership card to fuel up. The next-cheapest non-membership chain in Cedar Park, TX is Chevron at $3.69/gal. Break-even: the $50/yr membership pays for itself if you buy at least 2500 gallons per year there.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT