Here in Katy just west of Houston, TX, the local HL carries pretty much what has been described already in this thread. Old Monogram re-issues, random kits from Academy, Lindberg, and Minicraft, a whole lot of cars, some Trumpeter naval subjects and some Tamiya armor subjects. One side of an aisle, with the other full of supplies.
A few years ago they had a far larger selection. Tamiya and Accurate Miniatures abounded. I added several kits to my stash that I just happened upon when these kits ended up on their clearance rack, a couple of 1/48 Tamiya Spitfires, for instance. The one that I regret putting back was an AM B-25; I mulled it that night, went back the next day to grab that one and of course it was gone.
I agree with Stik that they really aren't focused on us as a target market. I get 95% of my kits from online sources, with the remainder these days coming via Christmas gifts or the local Hobbytown.
This is a far cry from how it was when I was growing up. Of course there was no online anything, but one could do mail order. Most thought bought at places like a five and dime, K-Mart, Target, Sears, or hobby shops. My first models likely came from Jean's Model Shop that was in Sharpstown Mall (Houston) from the late 60s through the mid 80s. Also back then, I don't recall the vast number of manufacturers. Kits were either Monogram, Revell, Lindberg, Aurora, or MPC. I know there were others but these were the ones that were always available in these stores.