Nederland, CO has a population of 1,417 and is the 13,001st largest city in the United States. The population density is 959 per sq mi which is 1877% higher than the Colorado average and 958% higher than the national average. The median age in Nederland is 37 which is approximately 2% higher than the Colorado average of 36. In Nederland, 44% of the population over 15 years of age are married, 92% speak English and 2% speak Spanish. 35% of Nederland residents were born in Colorado, 61% were born out of state, 2% were born outside of the United States and 3% were foreign born.