| City : | Hillside Lake |
| County : | Dutchess County |
| State : | New York (NY) |
| Land Area : | 0.52 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 41.6157638 |
| Longitude : | -73.7969703 |
| Population (2010): | 1,084 |
| Population Estimate (2012) : | 787 |
| Population Density : | 2,073.48/sq mi |
| Housing Units (2012) : | 423 |
| Median Household Income (2012) : | $90,781 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $96,250 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $281,300 (New York : $295,300, USA : $181,400) |
Hillside Lake Zip Codes
| 12590 (35,102) |