Map of Joliet, United States

Joliet is a city in Illinois, United States, with a population of about 147,861. It lies at 41.5252°N, 88.0834°W, about 165 m above sea level. Joliet is about 982 km (610 mi) west of Washington, D.C., the capital. The nearest city on our map is Romeoville, 14 km to the north.

Joliet at a glance

Region
Illinois
Population
147,861GeoNames
Coordinates
41.5252, -88.083441°31′31″N 88°05′00″W
Time zone
America/ChicagoUTC−06:00 / UTC−05:00 (daylight saving time)
Local time
–
Elevation
165 m (541 ft)
Distance to Washington, D.C.
982 km (610 mi)

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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.