Larkspur Real Estate View 64 listings HomeGuidesLarkspur Larkspur is a home rule municipality in Douglas County, Colorado, United States. The town population was 183 at the 2010 census, down from 234 at the 2000 census. Wikipedia Elevation: 6,726′ Weather: 47°F (8°C), Wind S at 8 mph (13 km/h), 45% Humidity Hotels: 3-star averaging $125. View hotels Population: 195 (2016) Incorporated: 1979 Guides MonumentColorado SpringsCastle RockLarkspurWoodmoorKing’s DeerBent TreeGleneagleEl Paso CountyDouglas CountyPalmer LakeBlack Forest