Johnstown Pennsylvania Population 2020 2019, Johnstown Pennsylvania Population 2019, Johnstown Pennsylvania Population 2020, Johnstown Pennsylvania Demographics 2020 2019, Johnstown Pennsylvania Statistics 2020 2019 wind speeds 207-260 mph) tornado 24.7 miles away from the Johnstown city center injured 5 people and caused $6 million in damages. Tornado activity: Johnstown-area historical tornado activity is slightly below Pennsylvania state average.It is 36% smaller than the overall U.S. average.. On 6/2/1998, a category F4 (max.

Johnstown is a city located in Cambria County, Pennsylvania.With a 2020 population of 19,265, it is the 29th largest city in Pennsylvania and the 1906th largest city in the United States. Johnstown is currently declining at a rate of -0.47% annually and its population has decreased by -8.17% since the most recent census, which recorded a population of 20,978 in 2010. Between 2016 and 2017 the population of Johnstown, PA declined from 137,762 to 135,871, a -1.37% decrease and its median household income grew from $42,917 to $44,943, a 4.72% increase. Johnstown, Pennsylvania is the 1,880th largest city in the United States as of 2018. In 2017, Johnstown, PA had a population of 136k people with a median age of 45 and a median household income of $44,943. Johnstown, Pennsylvania detailed profile. In 2017, Johnstown, PA had a population of 20k people with a median age of 42.9 and a median household income of $23,636. … Between 2016 and 2017 the population of Johnstown, PA declined from 20,169 to 19,967, a -1% decrease and its median household income declined from $24,075 to $23,636, a -1.82% decrease.