Founded in 1947 on Old Route 66, Crestwood, MO is one of the best places to live in the St. Louis Metro Area. As an inner-ring suburb that beautifully balances residential and commercial uses, Crestwood has nearly 350 businesses and a population of more than 12,000. Simply put, the City has low property tax rates, one of the best public school systems in Missouri, and the best and friendliest municipal services in St. Louis County. So if you're a current resident, want to move to Crestwood, or are just passing through, Welcome to Crestwood!