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Cornwall, Pennsylvania
Cornwall Iron Furnace
Official logo of Cornwall, Pennsylvania
Keystone Marker
Location in Lebanon County, Pennsylvania
Location in Lebanon County, Pennsylvania
Cornwall, Pennsylvania is located in Pennsylvania
Cornwall, Pennsylvania
Cornwall, Pennsylvania
Location in Pennsylvania
Cornwall, Pennsylvania is located in the United States
Cornwall, Pennsylvania
Cornwall, Pennsylvania
Location in the United States
Country United States
State Pennsylvania
County Lebanon
Settled 1734
Incorporated 1926
 • Type Borough Council
 • Total 9.76 sq mi (25.27 km2)
 • Land 9.70 sq mi (25.13 km2)
 • Water 0.05 sq mi (0.14 km2)
554 ft (169 m)
 • Total 4,112
 • Estimate 
 • Density 450.99/sq mi (174.13/km2)
Time zone UTC-5 (Eastern (EST))
 • Summer (DST) UTC-4 (EDT)
ZIP code
Area code(s) 717
FIPS code 42-16256

Cornwall is a borough in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, PA Metropolitan Statistical Area. The population was 4,112 at the 2010 census.


Cornwall was initially settled by Peter Grubb in 1734. Peter was a Chester County stonemason who came to, what was then Lancaster County, in search of high quality stone for quarrying. First building his house and then a store, he discovered magnetite iron ore nearby and decided to test its quality, he found the ore to be exceedingly pure. Grubb wrote to Philadelphia and in 1734 was granted a warrant to purchase 300 acres (1.2 km2) of land. For three years Peter followed veins of ore until he found a large deposit that was easily accessible; however, this ore was not within the bounds of his property. So in 1737 he purchased an additional 142.5 acres (0.577 km2) of land. In 1742 Peter built a cold blast furnace and named it Cornwall, after his father's birthplace in England. The Cornwall Iron Mine was, at one time, the largest open-pit mining operation in the world. They were mined continuously until June 30, 1973, totaling 236 years of production.

Finding the necessary components nearby for smelting iron (water, limestone and timber for charcoal), Grubb built the Cornwall Iron Furnace and began production in 1742. The operation also included the Hopewell Forges on nearby Hammer Creek. Peter Grubb did not stay long to run the operation, but leased it out in 1745 for 20 years and returned to Wilmington, Delaware. In 1765 Peter's sons Curtis and Peter Jr. took over the operation, and in 1798 it passed to Robert Coleman and his family. Cornwall Furnace was in production from 1742 until 1883, and appears today much as it was when production ended. In 1932 the Coleman family deeded the property to the Commonwealth of Pennsylvania and it is now a designated National Historic Landmark open to the public.

Eventually the whole town became known as Cornwall. It was incorporated as a borough on October 11, 1926 after having been a part of Lancaster County and for a while of Dauphin County. At the time it officially became a borough, it comprised six widely separated villages.

Alden Villa was added to the National Register of Historic Places in 2011.


Cornwall is located at 40°16′23″N 76°24′38″W / 40.27306°N 76.41056°W / 40.27306; -76.41056 (40.273192, -76.410667).

According to the United States Census Bureau, the borough has a total area of 9.9 square miles (26 km2), of which, 9.8 square miles (25 km2) of it is land and 0.1 square miles (0.26 km2) of it (1.11%) is water.


Historical population
Census Pop.
1930 1,837
1940 1,680 −8.5%
1950 1,760 4.8%
1960 1,934 9.9%
1970 2,111 9.2%
1980 2,653 25.7%
1990 3,231 21.8%
2000 3,486 7.9%
2010 4,112 18.0%
2019 (est.) 4,376 6.4%

As of the census of 2000, there were 3,486 people, 1,210 households, and 965 families residing in the borough. The population density was 357.2 people per square mile (137.9/km²). There were 1,261 housing units at an average density of 129.2 per square mile (49.9/km²). The racial makeup of the borough was 97.79% White, 0.34% African American, 0.20% Native American, 1.06% Asian, 0.32% from other races, and 0.29% from two or more races. Hispanic or Latino of any race were 0.75% of the population.

There were 1,210 households, out of which 32.6% had children under the age of 18 living with them, 71.9% were married couples living together, 4.4% had a female householder with no husband present, and 20.2% were non-families. 17.5% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 2.91.

In the borough the population was spread out, with 20.9% under the age of 18, 4.9% from 18 to 24, 22.7% from 25 to 44, 28.1% from 45 to 64, and 23.5% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 89.7 males. For every 100 females age 18 and over, there were 82.9 males.

The median income for a household in the borough was $59,550, and the median income for a family was $66,964. Males had a median income of $44,926 versus $28,125 for females. The per capita income for the borough was $27,904. About 1.1% of families and 1.7% of the population were below the poverty line, including 1.0% of those under age 18 and 4.2% of those age 65 or over.

See also

Kids robot.svg In Spanish: Cornwall (Pensilvania) para niños

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