Gaastra is a city located in Michigan. With a 2020 population of 321, it is the 486th largest city in Michigan and the 15080th largest city in the United States. Gaastra is currently declining at a rate of -0.62% annually and its population has decreased by -7.49% since the most recent census, which recorded a population of 347 in 2010. Gaastra reached it's highest population of 347 in 2010. Spanning over 2 miles, Gaastra has a population density of 196 people per square mile.
The average household income in Gaastra is $42,829 with a poverty rate of 10.09%. The median rental costs in recent years comes to $830 per month, and the median house value is $45,500. The median age in Gaastra is 52.3 years, 46.8 years for males, and 56 years for females. For every 100 females there are 109.5 males.