Yeah. I’m in the rurals and at any given time can see between 5 and a dozen networks. Years back when I was apartment living, there was a ridiculous number of networks in range, couldn’t even give you a count.
If you’re curious and have an android phone or tablet, check out WifiAnalyzer. It gives a graphical view of nearby Wi-Fi networks, channels they’re on, signal strength, and so on.
FTFY.