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Harrisburg Community Unit School District 3
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(Major)see rank
| Population | 731 (2010), see rank |
| House Units | 337, see rank |
| Race | Whites:96.3%, Hispanics:0.5%, Blacks:1.2%, Asians:1.6%, Others:0.8% |
| Population Density: | 54.58/sq mi, see rank |
| Median Household Income: | $59,764, see rank |
| Median House Price: | $138,900, see rank |
| Time Zone: | Central GMT -6:00 with Daylight Saving in the Summer |
| Land Area: | 13.13 sq mi, see rank |
| Water Area: | 0.26 sq mi (1.96%), see rank |
| State: | Illinois |
| Area: | Harrisburg, IL |
| County: | Saline County |
| Census Tract: | 956200 |
| School District: | Eldorado Community Unit School District 4 Harrisburg Community Unit School District 3 (Major)see rank |