Pike County is located in Illinois. The county covers 849 square miles (543,309 acres), representing less than one percent of the state. Of Illinois's 102 counties, Pike County ranks 70th in terms of the size of its population (15,989, according to 2015 Census estimates). Recent Lands of America data places the average value of land and acreage for sale in Pike County at $4,831 per acre. The average list price of property and land for sale was $871,726 (the most expensive listing being for $3.3 million) and the median land-parcel size was 149 acres. Land for sale in Pike County totaled 5,775 acres and $27.9 million in overall land value, with the city of Pearl featuring the most land for sale in the county. Farmland was the most common type of land for sale in Pike County.