In my state, the average is 2.85, with lowest at 2.63 and the highest is at 3.19 (with one idiot station at 3.51).
The lowest in my town is 2.83, and the lowest in the town next to me (where my sister lives and where a lot of my shopping is done) is 2.69 (if you pay cash).
I don't do much driving, so it's not a huge expenditure for my vehicle, but my husband drives 40 miles each way to work, and has to fill up twice a week.
Of course, it's better than when we first moved back here and he still had to commute to his old job - 120 miles each way, plus $28 a day for parking.
ETA: I use Gasbuddy.com to check gas prices.
http://www.gasbuddy.com/gb_gastemperaturemap.aspx