Knife River, Minnesota Statistic: Population, Charts, Map, Steets and More

The population in Knife River City is spread out in all ages. Twenty-nine percent of the population was under the age of 18 while eight percent of the residents were between the ages of 25 and 44. Forty-three percent of residents were married couples and twenty-two percent were single. The median age in the city was 38 years old. There were eighty-one males for every one hundred females, or a ratio of eighty-one to eighty-three.