Agency is a city located in Missouri. With a 2020 population of 668, it is the 415th largest city in Missouri and the 12088th largest city in the United States. Agency is currently declining at a rate of -0.15% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 684 in 2010. Agency reached it's highest population of 686 in 2011. Spanning over 4 miles, Agency has a population density of 181 people per square mile.
The average household income in Agency is $76,658 with a poverty rate of 18.82%. The median rental costs in recent years comes to $747 per month, and the median house value is $163,400. The median age in Agency is 30.6 years, 29.6 years for males, and 32.3 years for females. For every 100 females there are 109.2 males.