| Zip Code : | 61021 |
| City : | Amboy city, Dixon city, Grand Detour, Lost Nation, Nelson village |
| County : | Lee County, Ogle County |
| State : | Illinois (IL) |
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| Land Area : | 149.83 sq mi |
| Water Area : | 3.29 sq mi |
| Latitude : | 41.8273921 |
| Longitude : | -89.4791880 |
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| Population (2010): | 23,745 |
| Population Estimate (2012) : | 23,706 |
| Population Density : | 158.48/sq mi |
| Housing Units (2012) : | 9,926 |
| Median Household Income (2012) : | $47,598 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $61,420 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $107,700 (Illinois : $190,800, USA : $181,400) |