Montour County, Pennsylvania facts for kids

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Montour County, Pennsylvania
Map
Map of Pennsylvania highlighting Montour County
Location in the state of Pennsylvania
Map of the USA highlighting Pennsylvania
Pennsylvania's location in the U.S.
Statistics
Founded May 3, 1850
Seat Danville
Largest borough Danville
Area
 - Total
 - Land
 - Water

132 sq mi (342 km²)
130 sq mi (337 km²)
2.1 sq mi (5 km²), 1.6%
PopulationEst.
 - (2015)
 - Density

18,557
143/sq mi (55/km²)
Time zone Eastern: UTC-5/-4
Website: www.montourco.org
Named for: Andrew Montour

Montour County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 18,267. Its county seat is Danville. The county is named for Andrew Montour, a prominent Métis interpreter who served with George Washington during the French and Indian War. It encompasses 132 sq mi, making it the smallest county by land area in the state.

Montour County is part of the Bloomsburg-Berwick, PA Metropolitan Statistical Area.

History

Fort Bosley, located near the present day border of Derry Township and the Borough of Washingtonville, was the county's only fortified location during the Revolutionary War.

Geography

According to the U.S. Census Bureau, the county has a total area of 132 square miles (340 km2), of which 130 square miles (340 km2) is land and 2.1 square miles (5.4 km2) (1.6%) is water. It is the smallest county by area in Pennsylvania. A total of 45% of Montour County is wooded. The entire county sits inside the Susquehanna River watershed. The other major streams in Montour County include Chillisquaque Creek and Mahoning Creek.

Adjacent counties

Major highways

  • I-80
  • US 11
  • PA 44
  • PA 45
  • PA 54
  • PA 254
  • PA 642

Geology

Susquehanna River in late March
Scenery of southern Montour County
View of northern Montour County, Pennsylvania
Scenery of northern Montour County
Montour Ridge
Montour Ridge in Liberty Township, Montour County

Montour County is located in the Ridge-and-Valley Province of the Appalachian Mountains. A total of 65% of the soils in the county are well-drained. The Muncy Hills are located in the northern part of the county and Montour Ridge is located in the southern part of the county, not far from the Susquehanna River. Montour Ridge also is home to the highest elevation in the county, 1425 feet above sea level. The lowest elevation is 440 feet above sea level, at the Susquehanna River.

The sedimentary rocks in Montour County are from either the Devonian Period or the Silurian Period. The Devonian Period rocks are more common than Silurian Period rocks, making up two thirds of the county. These rocks are prevalent in the Muncy Hills and the lowlands in the southern portion of the county. The Devonian Period rocks in Montour County include the Catskill Formation, the Marcellus Shale, the Helderburg Formation, the Mahantango Formation, the Oriskany Formation, the Marine Beds, and the Onondaga Formation. The other one third of the rocks in Montour County are from the Silurian Period. Rocks from this period are prevalent on Montour Ridge and the adjacent valley and the hills to the northwest of Washingtonville. These areas consist of the Wills Creek formation, the Tonoloway Formation, the Bloomsburg Formation, the Tuscarora Formation, the Clinton Group, and the McKenzie Formation.

There are three major anticlines and synclines in Montour County. These are the White Deer Anticline, the Lackawanna Syncline, and the Milton Anticline. These are located in the northern, central, and Montour Ridge areas of the county, respectively. These features are situated i a northeast-southwest alignment. They were formed by regional compression and uplift approximately 200 million years ago, during the Permian Period. During the Pleistocene Period, the Illinoian glacial advance reached Montour County, although the Wisconsin glacial advance stopped slightly short of it. There are alluvial deposits in many of the river valleys in the county, especially there two streams or rivers meet. These deposits were formed fairly recently, geologically speaking.

The water supply for Montour County comes primarily from the Susquehanna River, as well as wells and springs. The rural areas especially depend on wells for their water supply, but Danville mostly uses the Susquehanna River. Wells drilled into Silurian rock have a tendency to be highly hard and prone to developing sinkholes. However, the Keyser, Wills Creek, and Tonoloway Formations are considerably better at producing water.

Demographics

Historical population
Census Pop.
1850 13,239
1860 13,053 −1.4%
1870 15,344 17.6%
1880 15,468 0.8%
1890 15,645 1.1%
1900 15,526 −0.8%
1910 14,868 −4.2%
1920 14,080 −5.3%
1930 14,517 3.1%
1940 15,466 6.5%
1950 16,001 3.5%
1960 16,730 4.6%
1970 16,508 −1.3%
1980 16,675 1.0%
1990 17,735 6.4%
2000 18,239 2.8%
2010 18,267 0.2%
Est. 2015 18,557 1.6%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the census of 2000, there were 18,236 people, 7,085 households, and 4,817 families residing in the county. The population density was 140 people per square mile (54/km2). There were 7,627 housing units at an average density of 58 per square mile (23/km2). The racial makeup of the county was 96.67% White, 1.01% Black or African American, 0.07% Native American, 1.28% Asian, 0.38% from other races, and 0.59% from two or more races. 0.92% of the population were Hispanic or Latino of any race. 33.2% were of German, 13.2% American, 8.1% Irish, 6.6% English, 5.7% Italian and 5.6% Polish ancestry according to the 2000 census.

Metropolitan Statistical Area

The United States Office of Management and Budget has designated Montour County as the Bloomsburg-Berwick, PA Metropolitan Statistical Area (MSA). As of the 2010 U.S. Census the metropolitan area ranked 20th most populous in the State of Pennsylvania and the 368th most populous in the United States with a population of 82,562. Montour County is also a part of the larger Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area (CSA), which combines the populations of Montour County as well as Columbia, Northumberland, Snyder and Union Counties in Pennsylvania. The Combined Statistical Area ranked 8th in the State of Pennsylvania and 115th most populous in the United States with a population of 264,739.

Communities

Map of Montour County Pennsylvania With Municipal and Township Labels
Map of Montour County, Pennsylvania with Municipal Labels showing Boroughs (red), Townships (white), and Census-designated places (blue).

Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in one case, towns. The following boroughs and townships are located in Montour County:

Boroughs

Townships

  • Anthony Township
  • Cooper Township
  • Derry Township
  • Liberty Township
  • Limestone Township
  • Mahoning Township
  • Mayberry Township
  • Valley Township
  • West Hemlock Township

Unincorporated communities

Population ranking

The population ranking of the following table is based on the 2010 census of Montour County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Danville Borough 4,699
2 Washingtonville Borough 273

Images for kids


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