Joliet, Illinois
Joliet is a city in Will County, Illinois, with an estimated population of 150,489 in 2023. It sits at 41.5177, -88.1488 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Joliet |
| Type | city |
| State | Illinois (IL) |
| County | Will County |
| Population (2023 est.) | 150,489 |
| Land area | 66.12 sq mi (171.26 km²) |
| Coordinates | 41.5177, -88.1488 |
| Time zone | America/Chicago |
| ZIP codes | 60431, 60432, 60433, 60434, 60435, 60436 |
| Telephone area codes | 779, 815 |
This place also extends into Kendall County.
ZIP codes and area codes for Joliet
Joliet covers 6 ZIP codes: 60431, 60432, 60433, 60434, 60435, 60436. Telephone area codes serving the area: 779, 815. Browse all ZIP codes in Illinois for the full list.
Where is Joliet?
Joliet is located in Illinois, in Will County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Rockdale 2 km · ILShorewood 6 km · ILCrest Hill 7 km · ILElwood 11 km · ILLockport 13 km · ILRomeoville 13 km · ILMinooka 14 km · ILChannahon 14 km · IL
Other places in Will County
Bolingbrook 74,088Plainfield 47,448Romeoville 40,955New Lenox 28,047Lockport 26,537Homer Glen 24,546Frankfort 20,907Crest Hill 20,118Mokena 19,759Shorewood 18,369
Related
Frequently asked questions
What county is Joliet, IL in?
Joliet is in Will County, Illinois.
What is the population of Joliet, IL?
The 2023 Census Bureau estimate is 150,489.
What time zone is Joliet in?
Joliet is in the America/Chicago time zone.