| Zip Code : | 60451 |
| City : | Frankfort village, Joliet city, Mokena village, New Lenox village |
| County : | Will County |
| State : | Illinois (IL) |
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| Land Area : | 25.52 sq mi |
| Water Area : | 0.07 sq mi |
| Latitude : | 41.5076511 |
| Longitude : | -87.9610905 |
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| Population (2010): | 34,063 |
| Population Estimate (2012) : | 34,064 |
| Population Density : | 1,334.98/sq mi |
| Housing Units (2012) : | 11,553 |
| Median Household Income (2012) : | $89,181 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $97,045 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $283,400 (Illinois : $190,800, USA : $181,400) |