Does anyone know if any of the tent sites have access to electricity? And if so, when it's shoulder season, does the amount of sites drop? About how many available and are they walk in?

The tent sites did not have electrical outlets. This may have changed. Double check on the website and/or call and check with the reservation staff.

All camping sites are drive up or pull through. There are a lot of them (120+). Most are non electric but some are utility and seem open for either RVs or tents. A loop is tent (& cabin) only; B loop is everything. Yes, rates drop slightly during shoulder, and a little more during winter.

Ive not personally camp there but its a nice park. When i was there i didnt see much tents only rv camping so i asume they must have some electrical places for campers.