Are you looking to move into a neighborhood in johnson County, but know nothing about it? Before you buy a home in johnson County, Iowa or find a new johnson County new homes, do a neighborhood search first. Here you can find statistics on johnson County, ia neighborhood housing, cost of living, weather, economy, household demographics and johnson County schools to help you decide which neighborhood is right for you. johnson County, Iowa neighborhood information made easy with AOL Real Estate. Start browsing johnson County cities/towns today by clicking one of the links below.