Costilla County is in South Central Colorado. Of the 64 counties in the Centennial State, Costilla County ranks 38th in terms of size (1,231 square miles). Costilla County, Colorado, includes about 1,000 acres of timberland for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was around $100,000. The average price of timberland for sale in Costilla County was $25,997. The county has a rural, farm-based economy. Browse all Colorado forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.