Susquehanna River from the Shikellamy State Park overlook, looking upriver. The West Branch Susquehanna River is in the foreground.View looking northeast from the Shikellamy State Park overlook
According to theU.S. Census Bureau, the county has a total area of 478 square miles (1,240 km2), of which 458 square miles (1,190 km2) is land and 19 square miles (49 km2) (4.0%) is water.[7]
The county has ahumid continental climate (Dfa/Dfb). Average temperatures in Sunbury range from 27.3 °F in January to 72.7 °F in July, while in Mount Carmel they range from 25.0 °F in January to 70.2 °F in July.[8]
As of the2020 census, the county had a population of 91,647. The median age was 44.5 years. 20.0% of residents were under the age of 18 and 21.6% of residents were 65 years of age or older. For every 100 females there were 101.3 males, and for every 100 females age 18 and over there were 100.1 males age 18 and over.[15]
64.7% of residents lived in urban areas, while 35.3% lived in rural areas.[17]
There were 37,932 households in the county, of which 25.5% had children under the age of 18 living in them. Of all households, 45.2% were married-couple households, 19.2% were households with a male householder and no spouse or partner present, and 26.9% were households with a female householder and no spouse or partner present. About 31.2% of all households were made up of individuals and 15.4% had someone living alone who was 65 years of age or older.[15]
There were 43,300 housing units, of which 12.4% were vacant. Among occupied housing units, 70.6% were owner-occupied and 29.4% were renter-occupied. The homeowner vacancy rate was 1.7% and the rental vacancy rate was 9.3%.[15]
Northumberland County, Pennsylvania – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the2000 census[21], there were 94,556 people, 38,835 households, and 25,592 families residing in the county. Thepopulation density was 206 people per square mile (80 people/km2). There were 43,164 housing units at an average density of 94 units per square mile (36/km2). The racial makeup of the county was 97.09%White, 1.52%Black orAfrican American, 0.10%Native American, 0.22%Asian, 0.02%Pacific Islander, 0.47% fromother races, and 0.58% from two or more races. 1.10% of the population wereHispanic orLatino of any race. 32.5% were ofGerman, 12.9%Polish, 9.9%American, 8.2%Italian, 8.1%Irish and 5.8%Dutch ancestry. 95.8% spokeEnglish and 1.5%Spanish as their first language.
There were 38,835 households, out of which 27.30% had children under the age of 18 living with them, 52.40% weremarried couples living together, 9.60% had a female householder with no husband present, and 34.10% were non-families. 30.20% of all households were made up of individuals, and 15.50% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.89.
In the county, the population was spread out, with 21.90% under the age of 18, 7.00% from 18 to 24, 27.70% from 25 to 44, 24.40% from 45 to 64, and 19.00% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 96.30 males. For every 100 females age 18 and over, there were 92.80 males.
Historically, the main employer of the county were the anthracite coal mines that dotted the landscape, as well as manufacturing factories. However, starting in the 1950s, the coal mines began to gradually close down and the factories started to move out, leading to population decline and economic depression.[22]
While county-level politics tend to be competitive, Northumberland is a Republican county in most statewide elections. The margins of victory in the county for the Republican presidential candidate in 2000, 2004, and 2008 have been 13, 21, and 14 percentage points, respectively. GovernorEd Rendell narrowly carried it againstLynn Swann while RepublicanRick Santorum narrowly carried it againstBob Casey in 2006. The only Democratic statewide candidate to carry the county in 2008 was incumbent Auditor GeneralJack Wagner. In 2011, the election of Stephen Bridy resulted in a three-way split among the county commissioners.
Central SusquehannaIntermediate Unit 16 – The primary service area consists of: Columbia, Montour, Northumberland, Snyder and Union counties in central Pennsylvania. Provides a wide variety of education related services to school districts, private and parochial schools and hame schooled students.
Map of Northumberland County, Pennsylvania with Municipal Labels showing Cities and 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, atown. The following cities, boroughs, and townships are located in Northumberland County:
Census-designated places are geographical areas designated by theU.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.
^Center for New Media and Promotions(C2PO)."2010 Census".census.gov. RetrievedAugust 5, 2015.{{cite web}}: CS1 maint: numeric names: authors list (link)
^abCenter, Legislativate Data Processing."Find Your Legislator".The official website for the Pennsylvania General Assembly.Archived from the original on April 28, 2017. RetrievedApril 27, 2017.
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