Map of Plainfield, Illinois, United States

Plainfield is a city in Illinois, United States, with a population of about 42,527. It lies at 41.6270°N, 88.2040°W, about 188 m above sea level. Plainfield is about 994 km (618 mi) west of Washington, D.C., the capital. The nearest city on our map is Romeoville, 10 km to the east.

Plainfield at a glance

Where is Plainfield?

• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 09 min on the shortest day to 15 h 12 min on the longest day (around 21 December and 21 June).

Cities near Plainfield

• Romeoville — 10 km east
• Oswego — 14 km northwest
• Bolingbrook — 14 km northeast
• Joliet — 15 km southeast
• Aurora — 18 km northwest
• Naperville — 18 km north
• Woodridge — 18 km northeast
• Downers Grove — 26 km northeast
• Wheaton — 28 km north
• Orland Park — 29 km east

Largest cities in Illinois

• Chicago — 2,664,452
• Aurora — 200,661
• Rockford — 148,278
• Joliet — 147,861
• Naperville — 147,100
• Peoria — 115,070
• Springfield — 114,394
• Elgin — 112,111
• Waukegan — 88,475
• Champaign — 86,096

Largest cities in United States

• New York City — 8,804,190
• Los Angeles — 3,820,914
• Brooklyn — 2,736,074
• Chicago — 2,664,452
• Queens — 2,316,841
• Houston — 2,314,157
• Phoenix — 1,650,070
• Philadelphia — 1,573,916
• San Antonio — 1,526,656
• Manhattan — 1,487,536

Map of United States and all its cities →

Other places named Plainfield

• Plainfield — New Jersey, United States

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.