Argenta, IL has a population of 1,125 and is the 14,427th largest city in the United States. The population density is 1,713 per sq mi which is 671% higher than the Illinois average and 1791% higher than the national average. The median age in Argenta is 36 which is approximately 5% lower than the Illinois average of 37. In Argenta, 67% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 87% of Argenta residents were born in Illinois, 12% were born out of state, 0% were born outside of the United States and 1% were foreign born.