Clarkson, NE has a population of 743 and is the 17,094th largest city in the United States. The population density is 939 per sq mi which is 3817% higher than the Nebraska average and 936% higher than the national average. The median age in Clarkson is 51 which is approximately 40% higher than the Nebraska average of 36. In Clarkson, 77% of the population over 15 years of age are married, 95% speak English and 1% speak Spanish. 86% of Clarkson residents were born in Nebraska, 11% were born out of state, 2% were born outside of the United States and 1% were foreign born.