Tilly’s RV Park Tends to be full with repeat customers from year-to-year but if you contact them well in advance you might find a space is available. Here is their contact information.
Here is a list from Good Sam Club with some of the other local campgrounds. The smallest radius they would let us select is 25 miles so be sure to consider that when you call.
And finally here is a list from the Rochester Convention & Visitors Center for Camping.
Here is a link to other area hotels and motels from Experience Rochester