Will County, Illinois
30 ZIP codes · 835.88 sq mi of land · FIPS 17197
| Population | 701,462 |
|---|---|
| State | Illinois |
| FIPS code | 17197 |
| Time zone | Central |
| Land area | 835.88 sq mi |
| Center (lat, long) | 41.4485, -87.9785 |
Area codes in this area
These are the area codes that most often serve Will County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Aurora · 179,898Naperville · 150,692Joliet · 150,445Bolingbrook · 74,096Plainfield · 46,708Romeoville · 41,152New Lenox · 28,006Lockport · 26,409Homer Glen · 24,529Frankfort · 20,651Crest Hill · 20,628Mokena · 20,021Shorewood · 18,343BeecherBraidwoodChannahonCreteElwoodManhattanMoneePeotoneWilmingtonUniversity Park
ZIP codes in Will County
60401 Beecher60403 Crest Hill60404 Shorewood60408 Braidwood60410 Channahon60417 Crete60421 Elwood60423 Frankfort60431 Joliet60432 Joliet60433 Joliet60435 Joliet60436 Joliet60440 Bolingbrook60441 Lockport60442 Manhattan60446 Romeoville60448 Mokena60449 Monee60451 New Lenox60468 Peotone60481 Wilmington60484 University Park60490 Bolingbrook60491 Homer Glen60503 Aurora60544 Plainfield60564 Naperville60585 Plainfield60586 Plainfield
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.