City of Chester, Illinois

Chester is located at 37°54'48" North, 89°49'18" West (37.913611, -89.821944).

According to the United States Census Bureau, the city has a total area of 5.90 mi² (15.29 km²). 5.89 mi² (15.26 km²) of it is land and 0.01 mi² (0.03 km²) of it is covered by water. The total area is 0.20% water.

Chester is located in the Central Standard Time (CST) timezone, GMT-06:00. It observes Daylight Saving Time (DST).