Map of Mount Prospect, United States

Mount Prospect is a city in Illinois, United States, with a population of about 54,747. It lies at 42.0664°N, 87.9373°W, about 204 m above sea level. Mount Prospect is about 986 km (613 mi) northwest of Washington, D.C., the capital. The nearest city on our map is Arlington Heights, 4 km to the northwest.

Mount Prospect at a glance

Where is Mount Prospect?

• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 06 min on the shortest day to 15 h 15 min on the longest day (around 21 December and 21 June).

Cities near Mount Prospect

• Arlington Heights — 4 km northwest
• Des Plaines — 6 km southeast
• Elk Grove Village — 7 km south
• Palatine — 9 km northwest
• Buffalo Grove — 10 km north
• Park Ridge — 10 km southeast
• Northbrook — 11 km northeast
• Hoffman Estates — 12 km west
• Glenview — 12 km east
• Schaumburg — 13 km west

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 →

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.