Argos, IN has a population of 1,914 and is the 11,271st largest city in the United States. The population density is 1,489 per sq mi which is 729% higher than the Indiana average and 1543% higher than the national average. The median age in Argos is 30 which is approximately 19% lower than the Indiana average of 37. In Argos, 58% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 83% of Argos residents were born in Indiana, 14% were born out of state, 1% were born outside of the United States and 2% were foreign born.