Plainfield is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in

Cumberland County Cumberland County may refer to: Australia * Cumberland County, New South Wales * the former name of Cumberland Land District, Tasmania, Australia Canada *Cumberland County, Nova Scotia United Kingdom * Cumberland, historic county *Cumberl ...

Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...

, United States. The population was 399 at the 2010 census. It is part of the

Harrisburg–Carlisle metropolitan statistical area The Harrisburg–Carlisle metropolitan statistical area, officially the Harrisburg–Carlisle, PA Metropolitan Statistical Area, and also referred to as the Susquehanna Valley, is defined by the Office of Management and Budget as an area consi ...

Geography

Plainfield is located in the eastern part of West Pennsboro Township at (40.202023, -77.286621), along Pennsylvania Route 641 (Main Street), which leads east to the center of

Carlisle Carlisle ( , ; from ) is a city in the Cumberland district of Cumbria, England. Carlisle's early history is marked by the establishment of a settlement called Luguvalium to serve forts along Hadrian's Wall in Roman Britain. Due to its pro ...

, the

county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...

, and west to Newville. The

Pennsylvania Turnpike The Pennsylvania Turnpike, sometimes shortened to Penna Turnpike or PA Turnpike, is a controlled-access toll road which is operated by the Pennsylvania Turnpike Commission (PTC) in Pennsylvania. It runs for across the southern part of the st ...

( Interstate 76) passes along the northern edge of the CDP, but the nearest exit is to the east, on the other side of Carlisle. According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, Plainfield has a total area of , all of which is land.

Demographics

As of the 2000 census, there were 376 people, 141 households, and 109 families residing in the CDP. The population density was . There were 162 housing units at an average density of . The racial makeup of the CDP was 98.94%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, and 1.06% from two or more races.

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race were 0.53% of the population. There were 141 households, out of which 32.6% had children under the age of 18 living with them, 66.7% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...

living together, 9.2% had a female householder with no husband present, and 22.0% were non-families. 17.0% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.67 and the average family size was 2.98. In Plainfield, the population was spread out, with 23.9% under the age of 18, 6.4% from 18 to 24, 31.4% from 25 to 44, 25.0% from 45 to 64, and 13.3% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 102.2 males. For every 100 females age 18 and over, there were 100.0 males. The median income for a household in the CDP was $27,500, and the median income for a family was $27,000. Males had a median income of $33,150 versus $23,875 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the CDP was $13,993. About 9.5% of families and 14.5% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

, including 25.9% of those under age 18 and none of those age 65 or over.

Education

The school district is Big Spring School District.
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References

{{authority control Census-designated places in Cumberland County, Pennsylvania Census-designated places in Pennsylvania Harrisburg–Carlisle metropolitan statistical area