Lost Lake Woods is a private club consisting of over 10,000 acres (40 km²) of wilderness. Entry is strictly members and guests only.
According to the United States Census Bureau, the CDP has a total area of 5.1 square miles (13.3 km²), of which, 5.0 square miles (12.9 km²) of it is land and 0.1 square miles (0.4 km²) of it (2.72%) is water.
There were 189 households out of which 5.3% had children under the age of 18 living with them, 64.6% were married couples living together, 1.6% had a female householder with no husband present, and 32.3% were non-families. 31.2% of all households were made up of individuals and 23.8% had someone living alone who was 65 years of age or older. The average household size was 1.79 and the average family size was 2.14.
In the CDP the population was spread out with 4.7% under the age of 18, 0.6% from 18 to 24, 8.3% from 25 to 44, 31.6% from 45 to 64, and 54.9% who were 65 years of age or older. The median age was 67 years. For every 100 females there were 101.8 males. For every 100 females age 18 and over, there were 97.0 males.
The median income for a household in the CDP was $32,361, and the median income for a family was $40,714. Males had a median income of $21,875 versus $19,688 for females. The per capita income for the CDP was $22,546. About 1.5% of families and 3.8% of the population were below the poverty line, including none of those under age 18 and 3.6% of those age 65 or over.