Furnace Creek, CA has a population of 178 and is the 24,963rd largest city in the United States. The population density is 6 per sq mi which is 98% lower than the California average and 94% lower than the national average. The median age in Furnace Creek is 49 which is approximately 37% higher than the California average of 36. In Furnace Creek, 27% of the population over 15 years of age are married, 85% speak English and 12% speak Spanish. 46% of Furnace Creek residents were born in California, 49% were born out of state, 0% were born outside of the United States and 4% were foreign born.