| Zip Code : | 60423 |
| City : | Frankfort village, Frankfort Square, Matteson village, Mokena village, Tinley Park village |
| County : | Will County, Cook County |
| State : | Illinois (IL) |
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| Land Area : | 36.46 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.4773684 |
| Longitude : | -87.8324158 |
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| Population (2010): | 30,423 |
| Population Estimate (2012) : | 30,264 |
| Population Density : | 834.43/sq mi |
| Housing Units (2012) : | 10,540 |
| Median Household Income (2012) : | $96,616 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $106,484 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $308,500 (Illinois : $190,800, USA : $181,400) |