Delta is a
borough
A borough is an administrative division in various English language, English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely.
History
...
in
York County, Pennsylvania
York County is a County (United States), county in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States. As of the 2020 United States census, 2020 census, the population was 456,438. Its county seat is York, Pennsylvania, ...
, United States, and one of the southernmost communities in Pennsylvania. The population was 705 at the
2020 census.
It is part of the
York–Hanover metropolitan area. It is served by the
South Eastern School District which provides a public education.
Geography
Delta is located at (39.727207, -76.325668).
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 ...
, the borough has a total area of , all land.
Demographics
As of the 2000 census,
there were 741 people, 285 households, and 194 families residing in the borough. The population density was . There were 324 housing units at an average density of . The racial makeup of the borough was 97.84%
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 ...
, 0.94%
African American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 0.27%
Native American, 0.13%
Asian, and 0.81% 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 0.13% of the population.
There were 285 households, out of which 37.5% had children under the age of 18 living with them, 50.5% 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, 10.5% had a female householder with no husband present, and 31.9% were non-families. 25.6% of all households were made up of individuals, and 10.9% 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 3.12.
In the borough, the population was spread out, with 29.4% under the age of 18, 8.1% from 18 to 24, 31.7% from 25 to 44, 19.8% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 96.6 males. For every 100 females age 18 and over, there were 98.9 males.
The median income for a household in the borough was $39,732, and the median income for a family was $45,000. Males had a median income of $35,735 versus $25,417 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 borough was $17,677. About 9.6% of families and 9.2% 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 8.8% of those under age 18 and 8.3% of those age 65 or over. Currently there is a development which will greatly increase the population.
History and landmarks

Delta is at the heart of the
Peach Bottom Slate Region. Slate quarries opened in Delta in the 1840s, and quarrymen arrived from
Wales
Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...
. At the
Crystal Palace Exposition of 1850, Peach Bottom slate was judged the finest in the world. Most of Delta's houses still have slate roofs, and remnants of the original blue-black slate sidewalks still exist throughout the borough.
The
Peach Bottom Railway entered Delta in 1876, and shipped slate along its line to
Red Lion and
York, Pennsylvania
York is a city in York County, Pennsylvania, United States, and its county seat. Located in South Central Pennsylvania, the city's population was 44,800 at the time of the 2020 United States census, 2020 census, making it the List of cities in ...
.
From the south, the
Maryland Central Railroad reached Delta in 1883 and began operating trains from Delta to
Bel Air, Maryland
The town of Bel Air is the county seat of Harford County, Maryland, Harford County, Maryland. According to the 2020 United States census, the population of the town was 10,661.
The United States Census Bureau defines an urban area in northeast ...
and
Baltimore
Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
in 1884.
Both lines were later succeeded by the
Maryland and Pennsylvania Railroad
The Maryland and Pennsylvania Railroad , colloquially known as the "Ma and Pa", was an American short-line railroad between York, Pennsylvania, York and Hanover, Pennsylvania, formerly operating passenger and freight trains on its original line be ...
, which operated until 1978.
The slate quarry was a major freight customer until 1971, when Delta’s Funkhouser Quarry closed.
The Rehoboth Welsh Chapel in Delta is a non-denominational Christian church that holds services in
Welsh
Welsh may refer to:
Related to Wales
* Welsh, of or about Wales
* Welsh language, spoken in Wales
* Welsh people, an ethnic group native to Wales
Places
* Welsh, Arkansas, U.S.
* Welsh, Louisiana, U.S.
* Welsh, Ohio, U.S.
* Welsh Basin, during t ...
and English. Its Welsh choir has won a prize at the highly competitive
National Eisteddfod of Wales
The National Eisteddfod of Wales ( Welsh: ') is the largest of several eisteddfodau that are held annually, mostly in Wales. Its eight days of competitions and performances are considered the largest music and poetry festival in Europe. Competito ...
and performed at the wedding of
Michael Douglas
Michael Kirk Douglas (born September 25, 1944) is an American actor and film producer. He has received numerous accolades, including two Academy Awards, five Golden Globe Awards, a Primetime Emmy Award, the Cecil B. DeMille Award, and the ...
and
Catherine Zeta Jones
Catherine Zeta-Jones (; born 25 September 1969) is a Welsh actress. Recognised for her versatility, she has received various accolades, including an Academy Award, a British Academy Film Award, and a Tony Award. In 2010, she was appointed Comma ...
.
[ ]
The
Delta Historic District was listed on the
National Register of Historic Places
The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...
in 1983.
Notable people
*
James Alexander, Jr., (1789–1846), former U.S. Representative
*
Thomas Dale Stewart, (1901–1997), forensic anthropologist,
Smithsonian Institution
The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums, Education center, education and Research institute, research centers, created by the Federal government of the United States, U.S. government "for the increase a ...
References
{{authority control
1853 establishments in Pennsylvania
Articles containing video clips
Boroughs in York County, Pennsylvania
Populated places established in 1744