Allendale is a city located in Michigan. Allendale has a 2020 population of 20,776. Allendale is currently declining at a rate of 0.00% annually and its population has increased by 18.19% since the most recent census, which recorded a population of 17,579 in 2010. Allendale reached it's highest population of 20,776 in 2018.
The average household income in Allendale is $67,641 with a poverty rate of 26.08%. The median rental costs in recent years comes to $917 per month, and the median house value is $184,700. The median age in Allendale is 21.1 years, 21.3 years for males, and 21 years for females. For every 100 females there are 92.6 males.