| City : | Boulder Hill |
| County : | Kendall County |
| State : | Illinois (IL) |
| Land Area : | 1.44 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 41.7118081 |
| Longitude : | -88.3365429 |
| Population (2010): | 8,108 |
| Population Estimate (2012) : | 8,532 |
| Population Density : | 5,647.35/sq mi |
| Housing Units (2012) : | 2,952 |
| Median Household Income (2012) : | $67,069 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $73,301 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $170,000 (Illinois : $190,800, USA : $181,400) |