| Zip Code : | 61238 |
| City : | Andover village, Cambridge village |
| County : | Henry County |
| State : | Illinois (IL) |
| | |
| Land Area : | 103.50 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 41.2824832 |
| Longitude : | -90.1726610 |
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| Population (2010): | 3,247 |
| Population Estimate (2012) : | 3,369 |
| Population Density : | 31.37/sq mi |
| Housing Units (2012) : | 1,388 |
| Median Household Income (2012) : | $56,214 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $71,346 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $113,500 (Illinois : $190,800, USA : $181,400) |