Marble is a town located in Eagle County, Colorado. Marble has a 2026 population of 135. Marble is currently declining at a rate of -1.46% annually and its population has decreased by 0% since the most recent census, which recorded a population of 135 in 2020.
The median household income in Marble is $170,793 with a poverty rate of 1.29%. The median age in Marble is 36 years: 36.3 years for males, and 34.4 years for females. For every 100 females there are 130.6 males.