Norristown is a city located in Chester County and Montgomery County Pennsylvania. It is also the county seat of Montgomery County. With a 2020 population of 34,237, it is the 14th largest city in Pennsylvania and the 1157th largest city in the United States . Norristown is currently declining at a rate of -0.15% annually and its population has decreased by -0.25% since the most recent census, which recorded a population of 34,324 in 2010. Norristown reached it's highest population of 38,925 in 1960. Spanning over 4 miles, Norristown has a population density of 9,740 people per square mile.
The average household income in Norristown is $66,016 with a poverty rate of 19.51%. The median rental costs in recent years comes to $1,083 per month, and the median house value is $152,900. The median age in Norristown is 32.8 years, 31.3 years for males, and 34.5 years for females.