Joliet is a city in Illinois in the United States. Joliet is 40 miles southwest of Chicago, and is the county seat of Will County. About 150,000 people lived in Joliet as of the year 2020. From 1990 to 2010, Joliet was one of Illinois' quickest growing cities, and one of the quickest growing cities in the United States. It is also home to the Chicagoland Speedway used by NASCAR annually.
Quick facts Country, State ...
Joliet, Illinois |
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| Etymology: Louis Jolliet |
 Location of Joliet in Will and Kendall counties in Illinois |
 Location of Illinois in the United States |
| Coordinates: 41°31′47″N 88°04′22″W[1] |
| Country | United States |
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| State | Illinois |
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| Counties | Will, Kendall |
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| Townships | Joliet, Troy, Plainfield, Lockport, New Lenox, Jackson, Channahon, Seward, Na-Au-Say |
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| Settled | 1833 |
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| Incorporated | 1852 |
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| • Type | Council–manager |
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| • Total | 65.82 sq mi (170.48 km2) |
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| • Land | 65.08 sq mi (168.56 km2) |
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| • Water | 0.74 sq mi (1.92 km2) |
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| Elevation | 610 ft (190 m) |
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| • Total | 150,362 |
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| • Rank | 3rd in Illinois
178th in the USA |
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| • Density | 2,310.31/sq mi (892.02/km2) |
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| Time zone | UTC−6 (CST) |
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| • Summer (DST) | UTC−5 (CDT) |
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| ZIP codes | 60431–60436, 60441, 60586 |
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| Area code(s) | 815, 779 |
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| FIPS code | 17-38570 |
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| Airport | Joliet Regional Airport |
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| GNIS feature ID | 2395477[1] |
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| Demonym | Jolietan |
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| Website | www.joliet.gov |
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