There are 8 real estate agents found in Allen County, KY. There are 3 cities in Allen County which include Scottsville , Adolphus , and Holland . There are 3 zip codes in Allen County which include 42164 , 42120 , and 42153 . View our Allen County real estate area information to learn about the weather, local school districts, demographic data, and general information about Allen County, KY. Get in touch with an Allen County real estate agent who can help you find the home of your dreams in Allen County. Use our mortgage calculator to see how much it would be to finance a home in Allen County. Not ready to buy yet? Find and compare apartments for rent in Allen County.