According to the U.S. Census Bureau, Chesterfield has a total area of , all land. The village drains north to Bear Creek, a west-flowing tributary of Hodges Creek and subsequently Macoupin Creek, part of the Illinois River watershed.
According to the U.S. Census Bureau, Chesterfield has a total area of , all land. The village drains north to Bear Creek a west-flowing tributary of Hodges Creek and subsequently Macoupin Creek, part of the Illinois River watershed.