Collin County is in Dallas Prairie Texas. Of the 254 counties in the Lone Star State, Collin County ranks 180th in terms of size (567,134 acres). Collin County, Texas, includes 1,000 acres of farms for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was nearly $65 million. The average price of farmland for sale in Collin County was $3 million. Farms for sale in Collin County support livestock including cattle, horses, goats, sheep and pig. Browse all Texas farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs.