According to the U.S. Census Bureau, the county has a total area of 490 square miles (1,300 km2), of which 483 square miles (1,250 km2) is land and 7.1 square miles (18 km2) (1.4%) is water.[4] The southern tip of Columbia County is part of the Coal Region. The area of the county from the Susquehanna River south to several miles south of Numidia consists mostly of farmland and state game lands. Several communities developed along the Susquehanna River, such as Bloomsburg and Catawissa. From the Susquehanna River north as far as Waller, the county is mostly farmland with several patches of forest. North of Waller, the county is mostly state game lands and mountains.[5]
The county has a humid continental climate (Dfa/Dfb) and average monthly temperatures in Bloomsburg average from 26.9 °F or −2.8 °C in January to 72.4 °F or 22.4 °C in July.[6]
Mountains
Note: Only mountains higher than 1,500 feet (460 m) are listed
As of the census[11] of 2000, there were 64,151 people, 24,915 households, and 16,568 families residing in the county. The population density was 132 inhabitants per square mile (51/km2). There were 27,733 housing units at an average density of 57 units per square mile (22/km2). The racial makeup of the county was 97.59% White, 0.80% Black or African-American, 0.15% Native American, 0.52% Asian, 0.03% Pacific Islander, 0.33% from other races, and 0.58% from two or more races. 0.95% of the population were Hispanic or Latino of any race. 33.2% were of German, 10.0% American, 9.4% Irish, 8.1% Italian, 6.7% Polish and 6.2% English ancestry.
There were 24,915 households, out of which 27.70% had children under the age of 18 living with them, 53.80% were married couples living together, 8.70% had a female householder with no husband present, and 33.50% were non-families. 26.60% of all households were made up of individuals, and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.90.
In the county, the population was spread out, with 20.80% under the age of 18, 14.30% from 18 to 24, 25.90% from 25 to 44, 23.10% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 90.80 males. For every 100 females age 18 and over, there were 87.80 males.
While the county registration tends to be evenly matched between Democrats and Republicans, the county trends Republican in statewide elections. Donald Trump carried the county by more than 30 points in both 2016 and 2020. While John McCain received 51.6% of its vote to 47.1% for Barack Obama, this was a far-closer margin than the 20 points that George W. Bush carried it by in 2004. Each of the three row-office statewide winners carried Columbia in 2008. In 2006, Democrat Bob Casey Jr. received 51% of its vote when he unseated incumbent Republican US Senator Rick Santorum and Ed Rendell received 50.6% of the vote against Lynn Swann.
For many years Columbia County was represented in the State House by a conservative Democrat in the 109th district until John Gordner changed parties to Republican in 2001. He was elected to the State Senate in 2003 and succeeded by Republican David R. Millard. Columbia is in the 27th Senate district and 11th Congressional district.
Pennsylvania Institute For Conservation Education - Bloomsburg
Rainbow Hill School - Benton
St Columba School - Bloomsburg
Saint Matthews - Bloomsburg
Turkey Ridge School - Bloomsburg
Libraries
Bloomsburg Public Library
Columbia County Traveling Library
McBride Memorial Library
Orangeville Public Library
Communities
Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. The following town, boroughs and townships are located in Columbia County:
Census-designated places are geographical areas designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law. Other unincorporated communities, such as villages, may be listed here as well.
^Includes Centre, Lycoming, Northumberland, Columbia, Mifflin, Union, Snyder, Clinton, Juniata and Montour Counties
^"PHMC Historical Markers Search". Pennsylvania Historical and Museum Commission. Commonwealth of Pennsylvania. Archived from the original(Searchable database) on March 21, 2016. Retrieved January 25, 2014.