Eldora (pronounced el-DOH-ruh), previously known as “Eldorado” then “El-Dora”, then Eldora or Camp Eldorado, and is still called Happy Valley, is a census-designated place (CDP) in Southwest Boulder County, Colorado. The population was 142 at the 2010 census. The CDP of Eldora is more commonly referred to as a small town or village.
Eldora is a small village located in the southwestern parts of Boulder County, Colorado. It is located at 39°56′57″N 105°34′18″W / 39.94917°N 105.57167°W / 39.94917; -105.57167 (39.949111, -105.571644). According to the United States Census Bureau, the CDP has a total area of 4.2 square miles (11 km), all of it land. Eldora is located within the Roosevelt National Forest, at the base of Ute Mountains in the Middle Boulder Creek valley. It is situated immediately above the Colorado banana belt. The nearest town is Nederland, Colorado, four miles east of Eldora. From Boulder, CO, you follow Colorado 119 through Boulder Canyon to Nederland, CO, and then head south-west into Eldora. Eldora is a rural, densely forested, and sparsely populated community.
As of the census of 2000, there were 170 people, 89 households, and 42 families residing in the CDP. The population density was 40.5 people per square mile (15.6/km²). There were 245 housing units at an average density of 58.3 per square mile (22.5/km²). The racial makeup of the CDP was 98.24% White, and 1.76% from two or more races. Hispanic or Latino of any race were 5.88% of the population.
There were 89 households out of which 20.2% had children under the age of 18 living with them, 43.8% were married couples living together, 3.4% had a female householder with no husband present, and 51.7% were non-families. 42.7% of all households were made up of individuals and 3.4% had someone living alone who was 65 years of age or older. The average household size was 1.91 and the average family size was 2.67.
In the CDP, the population was spread out with 15.3% under the age of 18, 2.4% from 18 to 24, 50.6% from 25 to 44, 23.5% from 45 to 64, and 8.2% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 142.9 males. For every 100 females age 18 and over, there were 128.6 males.
The median income for a household in the CDP was $51,875, and the median income for a family was $55,625. Males had a median income of $41,563 versus $29,583 for females. The per capita income for the CDP was $22,191. None of the families and 8.6% of the population were living below the poverty line.