Population update: Warren County Pennsylvania now has 2 more residents than it did in 1890

 Warren, county seat of Warren County, as seen from Washington Park on July 8, 2024

Photo by Retiring Guy

Warren County's population peaked at 47,682 in 1970 and has decreased 22% since then.   With no end in sight.

Sources:  Wikipedia, PSATS (2024)

PSATS excerpt:

Pennsylvania experienced an overall population increase of just over 75,800 (.6%) between 2020 and 2024. Pike County (+6.5%) was the fastest growing county in Pennsylvania followed by Cumberland County (+6.2%). Five other counties grew by 3% or more: Chester (+4.9%), Adams (+3.9%), York (+3.2%), Northampton (+3.2%), and Lehigh (+3.-%). 

The largest county with the largest numeric growth took place in Chester County (+26,327). Seven other counties added at least 10,000 individuals since 2020, including Montgomery (+22,777), Cumberland (+16,048), York (+14,791), Lehigh (+11,103), Lancaster (+10,312), Berks (+10,267), and Northampton (+10,032). 

Between 2020 and 2024, only two counties lost more than 10,000 individuals, Philadelphia (-29,878) and Allegheny (-18,769). Four other counties had losses of 3,000 to 5,000: Fayette (-4,882), Westmoreland (-3,713), and Cambria (-3,355). The largest percentage declines were in Greene (-5.5%), Forest (5.4%), and Cameron (-4.4%).