Land for sale in Missouri's Caldwell County recently totaled almost $16 million and almost 2,000 acres. Caldwell County ranks 87th in the Gateway State for the total number of acres of land currently advertised for sale. Of all farms and ranches for sale in Caldwell County, Hamilton featured the most land for sale. Its economy is defined as agricultural, with 1,035 farms recorded in the county during the most recent U.S. Census. Farming activities in Caldwell County generate annual revenues of $9 million, most of which is from crops. Caldwell County is Missouri's 102nd biggest county (429 square miles). It's located in the Northwest Missouri region of Missouri.