Grinnell is a city located in Kansas. With a 2020 population of 225, it is the 397th largest city in Kansas and the 16310th largest city in the United States. Grinnell is currently declining at a rate of -1.32% annually and its population has decreased by -13.13% since the most recent census, which recorded a population of 259 in 2010. Grinnell reached it's highest population of 266 in 2013. Spanning over 0 miles, Grinnell has a population density of 459 people per square mile.
The average household income in Grinnell is $58,802 with a poverty rate of 1.06%. The median rental costs in recent years comes to $596 per month, and the median house value is $68,700. The median age in Grinnell is 43.6 years, 42.9 years for males, and 43.8 years for females. For every 100 females there are 93.8 males.