Kinderhook is a city located in Pike County Illinois. With a 2020 population of 206, it is the 1121st largest city in Illinois and the 16603rd largest city in the United States . Kinderhook is currently declining at a rate of -0.48% annually and its population has decreased by -4.63% since the most recent census, which recorded a population of 216 in 2010. Kinderhook reached it's highest population of in . Spanning over 1 miles, Kinderhook has a population density of 255 people per square mile.
The average household income in Kinderhook is $59,105 with a poverty rate of 3.32%. The median rental costs in recent years comes to $508 per month, and the median house value is $75,600. The median age in Kinderhook is 35.1 years, 37.8 years for males, and 33.4 years for females.