Ottawa
City in LaSalle County, Illinois
Ottawa is a city in LaSalle County, Illinois, with 18,840 residents (2020 Census). It sits at 482 ft (147 m) above sea level. The nearest town is Dayton, 2.9 miles NE.
- 18,840residents (2020 Census)
- 482 ftelevation · 147 m
- 14.9 sq miland area · 38.5 km²
- 1,266 / sq mipopulation density
- 61350ZIP code
About Ottawa
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.
Text: Wikipedia · CC BY-SA 4.0
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Nearest webcams to Ottawa
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Living in Ottawa
- Median household income
- $71,413
- Median home value
- $154,000
- Median rent
- $920/mo
- Median age
- 39.8
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Map of Ottawa
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Open in Google Maps ›Ottawa, IL population
Ottawa had 18,840 residents in the 2020 Census.
| 2020 Census | 18,840 |
|---|---|
| Density | 1,266 per sq mi (489 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Ottawa at a glance
| State | Illinois (IL) |
|---|---|
| County | LaSalle County |
| Type | City |
| Population | 18,840 (2020) |
| Land area | 14.88 sq mi (38.5 km²) |
| Water area | 0.65 sq mi (1.67 km²) |
| Elevation | 482 ft (147 m) |
| Coordinates | 41.3540° N, 88.8234° W |
| ZIP code | 61350 |
| Official website | cityofottawa.org |
| Census code (GEOID) | 1756926 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Ottawa
- Dayton2.9 mi NE
- Naplate3.3 mi SW
- Wedron6.3 mi NE
- Marseilles8.0 mi E
- Grand Ridge8.2 mi S
- North Utica10.2 mi W
- Serena10.3 mi NE
- Seneca11.4 mi E
- Harding11.4 mi N
- Oglesby13.5 mi W
- Leonore14.1 mi SW
- Sheridan14.2 mi NE
Straight-line distance between town centers.
Frequently asked questions about Ottawa
What county is Ottawa in?
Ottawa is in LaSalle County, Illinois.
What is the population of Ottawa, IL?
18,840 people lived in Ottawa at the 2020 Census.
What is the ZIP code of Ottawa, IL?
The ZIP code of Ottawa is 61350.
What is the elevation of Ottawa?
482 feet (147 m) above sea level.
What towns are near Ottawa?
Dayton (2.9 mi), Naplate (3.3 mi), Wedron (6.3 mi), Marseilles (8.0 mi), Grand Ridge (8.2 mi).
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