| City : | Harrisburg City |
| County : | Saline County |
| State : | Illinois (IL) |
| Land Area : | 6.55 sq mi |
| Water Area : | 0.21 sq mi |
| Latitude : | 37.7377174 |
| Longitude : | -88.5458180 |
| Population (2010): | 9,017 |
| Population Estimate (2012) : | 8,962 |
| Population Density : | 1,376.25/sq mi |
| Housing Units (2012) : | 4,193 |
| Median Household Income (2012) : | $34,804 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $42,074 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $65,600 (Illinois : $190,800, USA : $181,400) |