Brook is a city located in Newton County Indiana. With a 2020 population of 947, it is the 320th largest city in Indiana and the 10534th largest city in the United States . Brook is currently declining at a rate of -0.42% annually and its population has decreased by -5.02% since the most recent census, which recorded a population of 997 in 2010. Brook reached it's highest population of 1,000 in 2010. Spanning over 1 miles, Brook has a population density of 1,398 people per square mile.
The average household income in Brook is $50,718 with a poverty rate of 22.27%. The median rental costs in recent years comes to $738 per month, and the median house value is $75,800. The median age in Brook is 38.7 years, 42.3 years for males, and 37.2 years for females.