Ottawa, Illinois
Ottawa, Illinois | |
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Downtown Ottawa in May 2008 | |
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Flag Seal | |
| Nicknames: Radium City, The Friendly City, The Town of Two Rivers, The City On Sand, The Town of Stovepipe hats | |
Interactive map of Ottawa, Illinois | |
Ottawa Ottawa | |
| Coordinates: 41°21′20″N 88°49′35″W / 41.35556°N 88.82639°W | |
| Country | United States |
| State | Illinois |
| County | LaSalle |
| Townships | Ottawa, South Ottawa, Dayton, Rutland, Wallace |
| Incorporated | 1853 |
| Government | |
| • Type | Mayor–council |
| Area | |
• Total | 15.52 sq mi (40.19 km2) |
| • Land | 14.66 sq mi (37.96 km2) |
| • Water | 0.86 sq mi (2.22 km2) |
| Elevation | 476 ft (145 m) |
| Population (2020) | |
• Total | 18,840 |
| • Density | 1,282.0/sq mi (494.98/km2) |
| Time zone | UTC−6 (CST) |
| • Summer (DST) | UTC−5 (CDT) |
| ZIP code | 61350 |
| Area codes | 815, 779 |
| FIPS code | 17-56926 |
| GNIS feature ID | 2396106 |
| Website | cityofottawa |
Ottawa is a city in LaSalle County, Illinois, United States, and its county seat. It is located at the confluence of the navigable Fox River and Illinois River, the latter being a conduit for river barges and connects Lake Michigan at Chicago to the Mississippi River. The population was 18,840 at the 2020 census. It is the principal city of the Ottawa, Illinois, micropolitan area.