Map of Rock Island, United States
Rock Island is a city in Illinois, United States, with a population of about 38,620. It lies at 41.5095°N, 90.5787°W, about 171 m above sea level. Rock Island is about 1,185 km (736 mi) west of Washington, D.C., the capital. The nearest city on our map is Davenport, 2 km to the north.
Rock Island at a glance
Country
Region
Illinois
Population
38,620GeoNames
Coordinates
41.5095, -90.578741°30′34″N 90°34′43″W
Time zone
America/ChicagoUTC−06:00 / UTC−05:00 (daylight saving time)
Local time
–
Elevation
171 m (561 ft)
Distance to Washington, D.C.
1,185 km (736 mi)
Where is Rock Island?
- Located in the Northern and Western hemispheres.
- Daylight ranges from about 9 h 10 min on the shortest day to 15 h 11 min on the longest day (around 21 December and 21 June).
Cities near Rock Island
- Davenport — 2 km north
- Moline — 5 km east
- Bettendorf — 6 km east
- Iowa City — 81 km west
- Marion — 103 km northwest
- Cedar Rapids — 104 km northwest
- Dubuque — 110 km north
- Peoria — 123 km southeast
- Pekin — 131 km southeast
- Rockford — 149 km northeast
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.