Merriam is a city located in Kansas. With a 2020 population of 11,098, it is the 34th largest city in Kansas and the 2875th largest city in the United States. Merriam is currently declining at a rate of -0.36% annually but its population has increased by 0.86% since the most recent census, which recorded a population of 11,003 in 2010. Merriam reached it's highest population of 11,821 in 1990. Spanning over 4 miles, Merriam has a population density of 2,570 people per square mile.
The average household income in Merriam is $72,724 with a poverty rate of 8.89%. The median rental costs in recent years comes to $902 per month, and the median house value is $160,100. The median age in Merriam is 39.5 years, 40.1 years for males, and 38.8 years for females. For every 100 females there are 87.6 males.