
New Haven
- County:
- Allen County
- County Seat:
- No
- Area (mi²):
- 11.901
- State:
- Indiana
New Haven is a city located in Allen County, Indiana. New Haven has a 2025 population of 16,218. New Haven is currently growing at a rate of 0.76% annually and its population has increased by 3.91% since the most recent census, which recorded a population of 15,608 in 2020.
The average household income in New Haven is $75,917 with a poverty rate of 8.31%. The median age in New Haven is 38.7 years: 38.5 years for males, and 38.7 years for females.