Zip Code 60423 — Frankfort, IL
60423 is a ZIP Code associated with Frankfort, IL, located within Will. The postal region supports an estimated population of 32,836 residents across Data Pending housing units, with a population density of 334.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.479220, -87.839610)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 60423 |
| Primary City | Frankfort |
| State / Province | IL |
| County | Will |
| Total Population | 32,836 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 334.7 people/sq mi |
| Timezone | America/Chicago |
How 60423 Compares
| Metric | ZIP 60423 | Will County | IL State Average |
|---|
| Population | 32,836 | 697,966 | 12,694,745 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 334.7 /sq mi | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →