Buchanan County is in Eastern Iowa. Of the 99 counties in the Cyclone State, Buchanan County ranks 48th in terms of size (366,780 acres). Iowa's Buchanan County includes 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was roughly $9 million. The average price of residential land for sale in Buchanan County was $272,682. Browse all residential land and rural property for sale in Iowa 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.