Johnston City, Illinois
Johnston City is a city in Williamson County, Illinois, with an estimated population of 3,308 in 2023. It sits at 37.8210, -88.9293 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Johnston City |
| Type | city |
| State | Illinois (IL) |
| County | Williamson County |
| Population (2023 est.) | 3,308 |
| Land area | 2.12 sq mi (5.48 km²) |
| Coordinates | 37.8210, -88.9293 |
| Time zone | America/Chicago |
| ZIP codes | 62951 |
ZIP codes and area codes for Johnston City
Johnston City covers 1 ZIP code: 62951. Browse all ZIP codes in Illinois for the full list.
Where is Johnston City?
Johnston City is located in Illinois, in Williamson 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
Freeman Spur 8 km · ILPittsburg 9 km · ILWest Frankfort 9 km · ILHerrin 9 km · ILMarion 10 km · ILEnergy 10 km · ILOrient 12 km · ILCrainville 14 km · IL
Other places in Williamson County
Marion 16,852Herrin 12,178Carterville 5,808Cambria 1,769Crainville 1,473Energy 953Hurst 749Pittsburg 559Creal Springs 497Freeman Spur 269
Frequently asked questions
What county is Johnston City, IL in?
Johnston City is in Williamson County, Illinois.
What is the population of Johnston City, IL?
The 2023 Census Bureau estimate is 3,308.
What time zone is Johnston City in?
Johnston City is in the America/Chicago time zone.