| Zip Code : | 61350 |
| City : | Dayton, Naplate village, Ottawa city |
| County : | LaSalle County |
| State : | Illinois (IL) |
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| Land Area : | 153.70 sq mi |
| Water Area : | 5.32 sq mi |
| Latitude : | 41.3720477 |
| Longitude : | -88.8651337 |
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| Population (2010): | 24,246 |
| Population Estimate (2012) : | 24,281 |
| Population Density : | 157.75/sq mi |
| Housing Units (2012) : | 10,984 |
| Median Household Income (2012) : | $50,595 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $65,572 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $139,700 (Illinois : $190,800, USA : $181,400) |