Arco is a city located in Lincoln County Minnesota. With a 2020 population of 67, it is the 802nd largest city in Minnesota and the 18842nd largest city in the United States . Arco is currently declining at a rate of -1.47% annually and its population has decreased by -10.67% since the most recent census, which recorded a population of 75 in 2010. Arco reached it's highest population of 75 in 2010. Spanning over 1 miles, Arco has a population density of 104 people per square mile.
The average household income in Arco is $55,377 with a poverty rate of 19.28%. The median rental costs in recent years comes to $675 per month, and the median house value is $35,600. The median age in Arco is 37.8 years, 53.2 years for males, and 34.8 years for females.