Here are the costs for State IDs
Quick look
Average about $15
Hmm not a bad estimate
real average is $15.41
[TABLE="class: stateGrid"]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Alabama[/TD]
[TD="bgcolor: #F6F6EB"]$23.50[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Alaska[/TD]
[TD]$15; free if 60 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Arizona[/TD]
[TD="bgcolor: #F6F6EB"]$12; free if 65 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Arkansas[/TD]
[TD]$5[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]California[/TD]
[TD="bgcolor: #F6F6EB"]$26; free if 62 or older; $7 low-income residents[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Colorado[/TD]
[TD]$10.50; free if 60 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Connecticut[/TD]
[TD="bgcolor: #F6F6EB"]$22.50[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Delaware[/TD]
[TD]$20[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Florida[/TD]
[TD="bgcolor: #F6F6EB"]$25[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Georgia[/TD]
[TD]$20 for five-years; $35 for 10 years[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Hawaii[/TD]
[TD="bgcolor: #F6F6EB"]$15; $10 if 65 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Idaho[/TD]
[TD]$10; $20 for eight-year card if 21 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Illinois[/TD]
[TD="bgcolor: #F6F6EB"]$10 if under 18; $20; free if 65 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Indiana[/TD]
[TD]$13; $10 if 65 or older or disabled[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Iowa[/TD]
[TD="bgcolor: #F6F6EB"]$5[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Kansas[/TD]
[TD]$18; $14 if 65 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Kentucky[/TD]
[TD="bgcolor: #F6F6EB"]$12[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Louisiana[/TD]
[TD]$21; free if 60 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Maine[/TD]
[TD="bgcolor: #F6F6EB"]$5[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Maryland[/TD]
[TD]$15[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Massachusetts[/TD]
[TD="bgcolor: #F6F6EB"]$25[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Michigan[/TD]
[TD]$10; free if 65 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Minnesota[/TD]
[TD="bgcolor: #F6F6EB"]$18; $11 if 65 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Mississippi[/TD]
[TD]$14[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Missouri[/TD]
[TD="bgcolor: #F6F6EB"]$11[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Montana[/TD]
[TD]$8[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Nebraska[/TD]
[TD="bgcolor: #F6F6EB"]Ranges from $7.50 to $26.50[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Nevada[/TD]
[TD]$6 under 18; $12; $7 if 65 or older[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]New Hampshire[/TD]
[TD="bgcolor: #F6F6EB"]$10[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]New Jersey[/TD]
[TD]$24[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]New Mexico[/TD]
[TD="bgcolor: #F6F6EB"]$10 for four years; $18 for eight years[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]New York[/TD]
[TD]$9-$10 for four to five years; $13-$14 for nine to 10 years[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]North Carolina[/TD]
[TD="bgcolor: #F6F6EB"]$10[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]North Dakota[/TD]
[TD]$8[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Ohio[/TD]
[TD="bgcolor: #F6F6EB"]$8.50[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Oklahoma[/TD]
[TD]$10[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Oregon[/TD]
[TD="bgcolor: #F6F6EB"]$44.50[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Pennsylvania[/TD]
[TD]$12[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Rhode Island[/TD]
[TD="bgcolor: #F6F6EB"]$16.50; free if 59 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]South Carolina[/TD]
[TD]$5[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]South Dakota[/TD]
[TD="bgcolor: #F6F6EB"]$20[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Tennessee[/TD]
[TD]$12.50[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Texas[/TD]
[TD="bgcolor: #F6F6EB"]$16; $6 if 60 or older[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Utah[/TD]
[TD]$18[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Vermont[/TD]
[TD="bgcolor: #F6F6EB"]$17[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Virginia[/TD]
[TD]$10[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Washington[/TD]
[TD="bgcolor: #F6F6EB"]$20[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]West Virginia[/TD]
[TD]Ranges from $2.50 to $12.50[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Wisconsin[/TD]
[TD="bgcolor: #F6F6EB"]$28[/TD]
[/TR]
[TR="bgcolor: transparent"]
[TD]Wyoming[/TD]
[TD]$10[/TD]
[/TR]
[TR="class: even, bgcolor: transparent"]
[TD="bgcolor: #F6F6EB"]Washington DC[/TD]
[TD="bgcolor: #F6F6EB"]$20; free if 65 or older[/TD]
[/TR]
[/TABLE]