Land for sale in North Carolina's Iredell County recently totaled almost $715 million and 6,000 acres. Iredell County ranks seventh out of 100 counties in the state for the total number of acres of land currently advertised for sale. Statesville had the most land for sale. Iredell County is North Carolina's 28th biggest county (597 square miles). It's located in the Piedmont North Carolina region of North Carolina.