Cold Spring, MN has a population of 4,071 and is the 7,370th largest city in the United States. The population density is 1,526 per sq mi which is 2367% higher than the Minnesota average and 1585% higher than the national average. The median age in Cold Spring is 37 which is approximately 2% lower than the Minnesota average of 38. In Cold Spring, 63% of the population over 15 years of age are married, 91% speak English and 6% speak Spanish. 88% of Cold Spring residents were born in Minnesota, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.