Agar is a city located in South Dakota. With a 2020 population of 78, it is the 250th largest city in South Dakota and the 18675th largest city in the United States. Agar is currently declining at a rate of -1.27% annually but its population has increased by 2.63% since the most recent census, which recorded a population of 76 in 2010. Agar reached it's highest population of 81 in 2013. Spanning over 0 miles, Agar has a population density of 380 people per square mile.
The average household income in Agar is $46,979 with a poverty rate of 12.33%. The median rental costs in recent years comes to - per month, and the median house value is $47,500. The median age in Agar is 36.9 years, 36.6 years for males, and 54 years for females. For every 100 females there are 114.7 males.