I'd like to invite you to join the Land of Lincoln TearJerkers. We're a group of teardrop, small & vintage camper owners who get together about once a month from May - October (always the second full weekend) at various campgrounds around Illinois - usually state parks/ACE. The Iowa chapter is based on the west side of the state so we have active members from Maquoketa, Manchester, and Bettendorf. We organize our "gatherings" and potlucks via TearJerkers.net (you have to register to access the site, but it's only a private forum and not at all intrusive). Betsy Edevold (wife of Craig) is the Chapter Director of the St. Croix (WI & MN) Chapter so you know it's good stuff.
Our first gathering of 2017 (the Galena Getaway) is next weekend (May 12-14) at the Palace Campground in Galena, IL. We have a special rate of $30/night and there are still spots available. A lot of people show up on Thursday, but we do a little meet-and-greet on Friday night and then we have a breakfast and dinner potluck on Saturday (but you only have cook for one). Our gatherings are very laid-back and you're welcome to join us for potluck on Saturday (6-ish). I hope you'll check out our schedule and join us.
There's also an "unplugged" event hosted by our Maquoketa members on June 1-4 at Yellow River State Forest. Another gathering a bit closer to you is Prophetstown State Park on October 12-15.
Before we got our Camp Inn, if you had told me that I'd be camping with a group, I would have said you're crazy! Now, I can't wait for our next gathering - it's such a great group of people and we have so much fun!