Kersey, CO has a population of 1,664 and is the 12,100th largest city in the United States. The population density is 1,251 per sq mi which is 2413% higher than the Colorado average and 1281% higher than the national average. The median age in Kersey is 37 which is approximately 1% higher than the Colorado average of 36. In Kersey, 63% of the population over 15 years of age are married, 81% speak English and 18% speak Spanish. 63% of Kersey residents were born in Colorado, 30% were born out of state, 0% were born outside of the United States and 7% were foreign born.