Lake County is a county in Indiana. It covers 626 square miles (400,883 acres), which represents less than one percent of the state total. Of Indiana's 92 counties, Lake County is one of the three largest counties in the state (population: 487,865, according to 2015 Census estimates). Recent Lands of America data places the average value of land and acreage for sale in Lake County at $84,432 per acre. On average, the price of land for sale was $1,067,225 (the most expensive listing being for $1.7 million) and the median size of land and property for sale in Lake County was 13 acres. Land for sale in Lake County totaled 25 acres and $2.1 million in overall land value, with the city of Cedar Lake featuring the most land for sale in the county. Farmland was the most common type of land for sale in Lake County.