⛽ Costco Gas Prices in Wisconsin
Estimated today · Based on Wisconsin AAA avg · Source: AAA + historical Costco savings data
Wisconsin Avg Today
—
per gallon · regular
Est. Costco Price
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~15–30¢ below state avg
⚠️ Costco does not publish real-time prices. Estimated price uses today's Wisconsin AAA average minus Costco's typical 15–30¢/gal savings. Actual prices vary by location.
Wisconsin Gas Tax Context
Wisconsin's state gas tax is approximately 32¢ per gallon — near the national average. This tax applies equally to all stations including Costco, so the 15–30¢ membership discount is on top of the post-tax street price.
Membership required
Costco fuel is available to members only. $65–$130/year · Gold Star ($65/year)
Costco Gas in Wisconsin — FAQs
How much is gas at Costco in Wisconsin today?
Based on today's Wisconsin average of current local prices, Costco in Wisconsin is estimated at around $a few cents less per gallon. Costco typically prices 15–30¢ per gallon below the state average.
Is Costco gas cheaper than regular gas stations in Wisconsin?
Yes. Costco gas in Wisconsin is typically 15–30¢ per gallon cheaper than branded stations. At $the current state average, that's a meaningful per-fill-up savings.
Do you need a membership for Costco gas in Wisconsin?
Yes. A valid Costco Membership ($65–$130/year) is required to purchase fuel at any Costco location, including those in Wisconsin.
Why is gas more expensive in Wisconsin than the national average?
Wisconsin gas prices are currently near the national average of $—. State gas tax is approximately 32¢/gal.