Sparland is a village in Marshall County, Illinois, United States. The population was 406 at the 2010 census, down from 504 in 2000. It is part of the Peoria, Illinois Metropolitan Statistical Area.According to the 2010 census, Sparland has a total area of 0.57 square miles, all land.Sparland is located on the Illinois River and has a road bridge connecting to Lacon.The west side of Sparland is located on a high bluff 175 feet above the Illinois River. From this vantage point there are beautiful views over the Illinois Valley looking east toward Lacon.As of the census of 2000, there were 504 people, 185 households, and 143 families residing in the village. The population density was 865.3 people per square mile. There were 204 housing units at an average density of 350.2 per square mile. The racial makeup of the village was 99.01% White, 0.40% from other races, and 0.60% from two or more races. Hispanic or Latino of any race were 1.59% of the population.