Logan County is in Central Illinois. Of the 102 counties in the Inland Empire, Logan County ranks 34th in terms of size (618 square miles). A recent survey of Land Network data totals 1,000 acres of residential land for sale in Illinois's Logan County, which is valued at a combined $2 million. The average price of residential land for sale in Logan County was $393,000. Browse all residential land and rural property for sale in Illinois to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.