Idledale is a post office and census-designated place in Jefferson County, Colorado. It has a population of 3,479, according to the 2010 census. Idledale is part of the Denver-Aurora-Lakewood, CO MSA. It is located on the north side of Bear Creek. The town is accessible by taking Colorado State Highway 74, which crosses the canyon and leads to Morrison, CO, four miles (6 km) away.
The median household income in Idledale is greater than the state average, and the minority population is nearly three times as large as the total population of Jefferson County. The percentage of residents with bachelor's degrees is also significantly higher than the state average. The city's median age is above the state average, and the median age is higher than the average house. However, the number of college students is below the state average, and the percentage of residents with at least a high school diploma is higher than the national average.