Costco Middleton Gas Prices – Deming Way
- Regular · today
- $3.999
- Premium · today
- $4.899
USD per gallon · Last updated October 31, 2026 · This station does not sell diesel
2150 Deming Way, Middleton, WI 53562-5507 · Open in Maps ↗
30-day range
where today sits- Regular$3.999 today · avg $4.008$3.899 low$4.299 high
- Premium$4.899 today · avg $4.924$4.799 low$5.199 high
Price history at Middleton
Last 30 days · USD per gallonRegular: $3.899 on Oct 2 to $3.999 on Oct 31, low $3.899, high $4.299. Premium: $4.799 on Oct 2 to $4.899 on Oct 31, low $4.799, high $5.199.
Last updated October 31, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $3.999 for Regular, Middleton is tied for the 3rd cheapest of 12 Costco gas stations in Wisconsin today, $0.066 below the Wisconsin average of $4.065.
None of the 5 nearest Costco stations is cheaper today.
- vs the US average
- $0.276 below, at $4.275
- Premium over Regular
- $0.900 — the Wisconsin median is $0.950
- Regular over the last 30 days
- up $0.100
- Days the price changed
- 8 of 30 reported days
- Latest day at the 30-day low
- October 7, 2026, at $3.899
- 15-gallon fill
- $59.98, $1.50 more than at the 30-day low
Middleton is located at 2150 Deming Way, Middleton, WI 53562-5507, in Wisconsin. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Station details
Middleton Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Middleton Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Cities near Middleton
- Costco gas prices Verona · WI · 9 mi$3.999
- Costco gas prices Sun Prairie · WI · 13 mi$3.999
- Costco gas prices Oconomowoc · WI · 54 mi$4.089
- Costco gas prices Loves Park · IL · 61 mi$4.279
- Costco gas prices Pewaukee · WI · 65 mi$4.049
- Costco gas prices Menomonee Falls · WI · 71 mi$3.999
- Costco gas prices New Berlin · WI · 72 mi$4.099
- Costco gas prices Grafton · WI · 82 mi$4.479
At this location
- Warehouse opened
- August 2008
- Warehouse phone
- (608) 824-3950
- Pumps open early
- 4 hours before the warehouse on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department, a hearing aid center and a tire center.
Frequently asked questions
How much is gas at Costco Middleton today?
As of October 31, 2026: Regular $3.999 and Premium $4.899 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Middleton gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Middleton gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Middleton cheaper than the average Costco station in Wisconsin?
Yes — at $3.999, Regular here is $0.066 below the average Costco price in Wisconsin, $4.065.
Where is the Costco Middleton gas station?
At 2150 Deming Way, Middleton, WI 53562-5507. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
Looking for a different station?
Search Costco gas stations by name, city, state, or ZIP code.