| Zip Code : | 80540 |
| City : | Allenspark, Lyons town |
| County : | Larimer County, Boulder County |
| State : | Colorado (CO) |
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| Land Area : | 158.26 sq mi |
| Water Area : | 0.45 sq mi |
| Latitude : | 40.2356944 |
| Longitude : | -105.3645494 |
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| Population (2010): | 4,461 |
| Population Estimate (2012) : | 4,996 |
| Population Density : | 28.19/sq mi |
| Housing Units (2012) : | 2,531 |
| Median Household Income (2012) : | $74,617 (Colorado : $58,244, USA : $53,046) |
| Median Family Income (2012) : | $83,476 (Colorado : $72,455, USA : $64,585) |
| Median House Price (2012) : | $364,200 (Colorado : $236,800, USA : $181,400) |