
Brook
- County:
- Newton County
- County Seat:
- No
- Area (mi²):
- 0.677
- State:
- Indiana
Brook is a town located in Newton County, Indiana. Brook has a 2025 population of 932. Brook is currently declining at a rate of -0.11% annually and its population has decreased by -0.53% since the most recent census, which recorded a population of 937 in 2020.
The average household income in Brook is $67,811 with a poverty rate of 15.67%. The median age in Brook is 34.9 years: 35.3 years for males, and 33.9 years for females.