Lock Haven is a city located in Pennsylvania. With a 2020 population of 8,834, it is the 80th largest city in Pennsylvania and the 3347th largest city in the United States. Lock Haven is currently declining at a rate of -1.53% annually and its population has decreased by -9.60% since the most recent census, which recorded a population of 9,772 in 2010. Lock Haven reached it's highest population of 11,748 in 1960. Spanning over 3 miles, Lock Haven has a population density of 3,539 people per square mile.
The average household income in Lock Haven is $43,097 with a poverty rate of 38.32%. The median rental costs in recent years comes to $721 per month, and the median house value is $114,900. The median age in Lock Haven is 24.9 years, 23.9 years for males, and 26.6 years for females. For every 100 females there are 93.7 males.