This is between the Milwaukee / Chicago corridor. In my case it is in Illinois about an hour north of Chicago, and the mortgage on my current house is 3 years old (bought for 162 K). In my case I put about 11% down, so I'm paying 100/month PMI, otherwise the monthly payment would be that much lower.
For a good idea of what housing is currently like around here, point something like Zillow or whatever in Lake County, look at Waukegan, Gurnee, the Chain of Lakes area, and if you want quite a bit cheaper you can go west a few more miles to McHenry County. Or for an area that is closer to urban, go north to Racine.
Now much of the housing in this price range (100 - 200K) is going to be older homes, however a lot of them are either well maintained (as there is a large blue-collar demographic here that is comfortable with DIY), and there is also plenty of new construction that you can get in that price range also.
Edit: just did a Zillow search, for all of Lake County IL, for single family homes 100 - 200K, and got 894 results. I added the keyword "as is" to the search, and only 139 of those have "as is" in the description.