
Norristown
- County:
- Chester County
- County Seat:
- No
- Area (mi²):
- 3.515
- State:
- Pennsylvania
Norristown is a borough located in Chester County, Pennsylvania. Norristown has a 2025 population of 35,759. Norristown is currently declining at a rate of -0.01% annually and its population has decreased by -0.07% since the most recent census, which recorded a population of 35,783 in 2020.
The average household income in Norristown is $74,492 with a poverty rate of 18.97%. The median age in Norristown is 33.7 years: 31.7 years for males, and 35.8 years for females.