Brook is a city located in Indiana. With a 2020 population of 959, it is the 316th largest city in Indiana and the 10492nd largest city in the United States. Brook is currently growing at a rate of 0.10% annually but its population has decreased by -3.81% 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 1,416 people per square mile.
The average household income in Brook is $50,730 with a poverty rate of 22.80%. The median rental costs in recent years comes to $680 per month, and the median house value is $75,900. The median age in Brook is 36.8 years, 41.4 years for males, and 35.5 years for females. For every 100 females there are 84.9 males.