| City : | Rock Island Arsenal |
| County : | Rock Island County |
| State : | Illinois (IL) |
| Land Area : | 1.63 sq mi |
| Water Area : | 0.94 sq mi |
| Latitude : | 41.5170129 |
| Longitude : | -90.5397695 |
| Population (2010): | 149 |
| Population Estimate (2012) : | 130 |
| Population Density : | 91.52/sq mi |
| Housing Units (2012) : | 51 |
| Median Household Income (2012) : | $56,250 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $64,444 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $0 (Illinois : $190,800, USA : $181,400) |
Rock Island Arsenal Zip Codes
| 61201 (39,116) |