Koster, Illinois
Koster: a city in Kankakee County, Illinois
About
Koster is a city located in the county of Kankakee in the U.S. state of Illinois.
Quick Facts about Koster
| State | Illinois (United States) |
| County | Kankakee County |
| Latitude & Longitude | 41.0917,-87.6850 |
| Time Zone | America/Chicago |
| Local time | 12:35:43 (9th June 2026) |
| Weather | 86℉ Chance Showers And Thunderstorms 7-days weather |
Geography
Koster is located at 41°5'30"N 87°41'6"W (41.0917000, -87.6850400).
Koster map
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Weather
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Koster, IL. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 146348 | Kankakee Community College | Kankakee (IL) | 60901 |
| 143376 | Paul Mitchell the School-Bradley | Bourbonnais (IL) | 60914 |
| 147828 | Olivet Nazarene University | Bourbonnais (IL) | 60914-2271 |
| 145336 | Governors State University | University Park (IL) | 60484 |
Nearby Transit Stations (23)
Rail and bus stations connected to Koster, IL. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| KKI | Kankakee | 199 South East Ave. | RAIL |
| GLM | Gilman | US Hwy 24 & West Wenona St. | RAIL |
| DYE | Dyer station | 913 Sheffield Avenue | RAIL |
| REN | Rensselaer | 619 North Cullen Street | RAIL |
| HMW | Homewood | 18015 Park Ave. | RAIL |
Closest post offices linked to Koster.
| Post Office Name | City | ZIP |
|---|---|---|
| Saint Ann Post Office | Saint Anne (IL) | 60964 |
Other cities in Kankakee County
Cities, towns, neighborhoods & other populated places in Kankakee County , IL. (more)
| City Name | Population | Title |
|---|---|---|
| Kankakee | 25,668 | City in Kankakee County, Illinois, United States |
| Bourbonnais | 19,378 | Human settlement in Kankakee County, Illinois, United States of America |
| Bradley | 15,132 | Village in Illinois, United States |
| Manteno | 8,892 | City in Illinois, United States of America |
| Momence | 3,049 | City in Kankakee County, Illinois, United States |
| Otto | 2,445 | Township in Kankakee County, Illinois |
| Herscher | 1,483 | City in Illinois, United States of America |
| Grant Park | 1,231 | Village in Kankakee County, Illinois, United States |
| Saint Anne | 1,174 | Human settlement in Illinois, United States of America |
| Lake | 930 | Township of Illinois |
| Chebanse | 908 | Village in United States of America |
| Aroma Park | 678 | Human settlement in Illinois, United States of America |
| Hopkins Park | 608 | Human settlement in Illinois, United States of America |
| Essex | 548 | Village in Kankakee County, Illinois |
| Sun River Terrace | 488 | Human settlement in Illinois, United States of America |
| Bonfield | 352 | Human settlement in Illinois, United States of America |