Rochester Flag

Rochester

County Seat:
No
Area (mi²):
45.021
State:
New Hampshire

Rochester is a city located in Strafford County, New Hampshire. Rochester has a 2026 population of 33,598. Rochester is currently growing at a rate of 0.22% annually and its population has increased by 3.31% since the most recent census, which recorded a population of 32,521 in 2020.

33.6K
Total Population
746
Density (mi²)
75 0.22%
Growth