Londonderry Township, Dauphin County, Pennsylvania | |
---|---|
Country | United States |
State | Pennsylvania |
County | Dauphin |
Incorporated | 1768 |
Area | |
• Total | 26.93 sq mi (69.74 km2) |
• Land | 22.75 sq mi (58.93 km2) |
• Water | 4.17 sq mi (10.80 km2) |
Population | |
• Total | 4,890 |
• Estimate (2021) [2] | 4,885 |
• Density | 228.57/sq mi (88.25/km2) |
Time zone | UTC-5 (Eastern (EST)) |
• Summer (DST) | UTC-4 (EDT) |
Area code | 717 |
FIPS code | 42-043-44464 |
Website | londonderrypa |
Londonderry Township is a township in Dauphin County, Pennsylvania, United States. The population was 4,890 at the 2020 census. [2]
The township includes the Three Mile Island Nuclear Generating Station, the location of the largest accident in the history of the American nuclear power generating industry, which took place in 1979. The nuclear power plant closed in 2019.
Londonderry Township originally was part of Derry Township. Since the township was so large and difficult to govern, the residents petitioned the court in 1767 to subdivide the land into two parts, the eastern section to remain Derry and the western to be Londonderry. [3] It is named after County Londonderry in Northern Ireland. [4]
Derry and Londonderry became a part of Dauphin County when it was established in 1785. In 1787, the population of Derry Township was 198. Conewago Township was created in 1850 from southern parts of Derry Township and eastern parts of Londonderry Township.
Londonderry Township is the southernmost township in Dauphin County. Its western boundary is the western shore of the Susquehanna River, and its southern boundary is formed by Conewago Creek, a tributary. The northwestern boundary of the township follows Swatara Creek, except where the township abuts the borough of Royalton. To the west, across the Susquehanna, is York County, and to the south, across Conewago Creek, is Lancaster County. There are numerous islands in the Susquehanna River within the township, the largest of which are Hill Island, Shelley Island, Three Mile Island, and Bashore Island.
According to the United States Census Bureau, the township has a total area of 26.9 square miles (69.7 km2), of which 22.7 square miles (58.9 km2) is land and 4.2 square miles (10.8 km2), or 15.49%, is water. [5]
Census | Pop. | Note | %± |
---|---|---|---|
2010 | 5,235 | — | |
2020 | 4,890 | −6.6% | |
2021 (est.) | 4,885 | [2] | −0.1% |
U.S. Decennial Census [6] |
As of the census [7] of 2000, there were 5,224 people, 2,004 households, and 1,517 families residing in the township. The population density was 229.4 inhabitants per square mile (88.6/km2). There were 2,095 housing units at an average density of 92.0 per square mile (35.5/km2). The racial makeup of the township was 97.74% White, 0.77% African American, 0.10% Native American, 0.25% Asian, 0.11% from other races, and 1.03% from two or more races. Hispanic or Latino of any race were 0.67% of the population.
There were 2,004 households, out of which 33.6% had children under the age of 18 living with them, 63.2% were married couples living together, 7.9% had a female householder with no husband present, and 24.3% were non-families. 20.6% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.99.
In the township the population was spread out, with 25.1% under the age of 18, 6.3% from 18 to 24, 30.9% from 25 to 44, 25.5% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.5 males. For every 100 females age 18 and over, there were 97.0 males.
The median income for a household in the township was $42,804, and the median income for a family was $52,650. Males had a median income of $38,750 versus $27,719 for females. The per capita income for the township was $20,055. About 4.1% of families and 7.0% of the population were below the poverty line, including 8.2% of those under age 18 and 9.2% of those age 65 or over.
Dauphin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat and the largest city is Harrisburg, Pennsylvania's state capital and ninth largest city. The county was created on March 4, 1785, from part of Lancaster County and was named after Louis Joseph, Dauphin of France, the first son of King Louis XVI.
Conewago Township is a township in Dauphin County, Pennsylvania, United States. The population was 2,997 at the 2010 census.
Derry Township is a township in Dauphin County, Pennsylvania, United States. The population was 24,796 at the 2020 census, an increase over the figure of 24,679 tabulated in 2010. Hershey, the site of the well-known Hershey's chocolate factory and its affiliated amusement park, is located within the township. Pennsylvania State University's Milton S. Hershey Medical Center and the Penn State Hershey Children's Hospital are also located on a large tract of land in the township.
Halifax is a borough in Dauphin County, Pennsylvania, United States. Halifax was incorporated as a borough on May 29, 1785. It is situated at the confluence of Armstrong Creek and the Susquehanna River. The population was 795 at the 2020 census. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Halifax Township is a township in Dauphin County, Pennsylvania, United States. The population was 3,336 at the 2020 census.
Lower Paxton Township is a township of the second class in Dauphin County, Pennsylvania, United States. The population was 53,501 at the 2020 census. It is the most populous municipality in Dauphin County, exceeding that of Harrisburg, the state capital, and the 13th most populated municipality in the state.
Lower Swatara Township is a township in Dauphin County, Pennsylvania, United States. The population was 9,557 at the 2020 census. Harrisburg International Airport and Penn State Harrisburg are located within the township. It shares a ZIP Code with the nearby borough of Middletown, and all locations in the township have Middletown addresses.
Middle Paxton Township is a township in Dauphin County, Pennsylvania, United States. The population was 5,046 at the 2020 census.
Reed Township is a township in Dauphin County, Pennsylvania, United States. The population was 229 at the 2020 census, a decline from the figure of 239 tabulated in 2010.
South Hanover Township is a township in Dauphin County, Pennsylvania, United States. The population was 7,200 at the 2020 census, an increase over the figure of 6,248 tabulated in 2010.
Susquehanna Township is a township in Dauphin County, Pennsylvania, United States. The population was 26,736 at the time of the 2020 census. This represents a 9.8% increase from the 2000 census count of 21,895. Susquehanna Township has the postal ZIP codes 17109 and 17110, which maintain the Harrisburg place name designation. The township is a suburb of Harrisburg and is connected to Marysville by the Rockville Bridge, the world's longest stone-arch rail bridge at the time of its completion.
Swatara Township is a township in Dauphin County, Pennsylvania. The population was 27,824 at the 2020 census.
North Londonderry Township is a township in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA Metropolitan Statistical Area. The population was 8,912 at the 2020 census.
South Londonderry Township is a township in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA Metropolitan Statistical Area. The population was 8,763 at the 2020 census.
Timber Hills is an unincorporated community and census-designated place (CDP) in Lebanon County, Pennsylvania, United States. The population was 360 at the 2010 census.
Huntington Township is an American township which is in Luzerne County, Pennsylvania. The population was 2,052 at the time of the 2020 census.
Conewago Township is a township in York County, Pennsylvania, United States. The township encompasses the land between the Conewago Creek and the Little Conewago Creek, west of their conjunction. The township was formed in 1818 from the northeastern portion of Dover Township and the southeastern portion of Newberry Township and consists of approximately 11,000 acres. The population was 8,527 at the 2020 census.
Conewago Creek is a 23.0-mile-long (37.0 km) tributary of the Susquehanna River in Lebanon, Dauphin, and Lancaster counties in Pennsylvania in the United States. The source is at an elevation of 1,100 feet (340 m) at Mount Gretna Heights in Lebanon County. The mouth is the confluence with the Susquehanna River at an elevation of 261 feet (80 m) at the border of Dauphin and Lancaster counties, just south of Three Mile Island in the river and just north of the unincorporated village of Falmouth in Conoy Township, Lancaster County.
Falmouth is an unincorporated community and census-designated place (CDP) in Conoy Township, Lancaster County, Pennsylvania, United States. As of the 2010 census the population was 420, but the 2020 census shows that the population has decreased to 397.
Lower Dauphin School District is a midsized, suburban public school district located in central Pennsylvania. The district encompasses approximately 89 square miles (230 km2) and consists of Hummelstown, Pennsylvania, East Hanover Township, Pennsylvania, Londonderry Township, Dauphin County, Pennsylvania, South Hanover Township, Pennsylvania, and Conewago Township, Dauphin County, Pennsylvania. According to 2000 federal census data, the district served a resident population of 22,546. By 2010, the district's population increased to 24,747 people. The educational attainment levels for the district's population were 91.2% high school graduates and 28.2% college graduates. The district is one of the 500 public school districts of Pennsylvania.