During World War II, the coal industry picked up again, but only for a short time.

Many mines were closed, railways were torn apart, and the economy took a turn for the worse.

The highest mountain in the county is North Knob just west of Union Dale.

The county has a warm-summer humid continental climate (Dfb) and average monthly temperatures in Montrose range from 21.2 °F in January to 67.7 °F in July.

[16] The economy in the county is mainly made up of retail, health care industry, public school employment, small businesses, and government officials.

[19] Listed in order of number of employees at the end of 2018, according to the Pennsylvania Department of Labor and Industry May 2019 monthly report:[20] Since unconventional drilling for natural gas began in 2008, some say the economy has improved.

[citation needed] According to the U.S. Bureau of Labor Statistics, the unemployment rate in Susquehanna County was 6.1 percent in January 2008.

As of 2011, there were 1,079 active natural gas wells in the county which had collectively been issued 795 notices of violations by the Department of Environmental Protection of Pennsylvania.

[24] Susquehanna County's natural environment, skiing, and small villages make it a growing tourist destination.

[citation needed] School districts include:[25] Northeast Intermediate Unit 19 (NEIU 19) Susquehanna County's last mainline passenger train services, through New Milford and Hallstead, ended in January 1970.

Since then, freight trains (presently Norfolk Southern) use the railroad line.

There is one Pennsylvania state park in Susquehanna County: The Nature Conservancy manages two protected wildlife areas: There are nine properties/districts listed on National Register of Historic Places in Susquehanna County, Pennsylvania Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in two cases at most, towns.