Falmouth is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

and

census-designated place A census-designated place (CDP) is a 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 counterparts of incorporated places, suc ...

(CDP) in Conoy Township, Lancaster County,

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

, United States. As of the 2010 census the population was 420, but the 2020 census shows that the population has decreased to 397.

Geography

Falmouth is in the northwest corner of Lancaster County, at the confluence of Conewago Creek with the

Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...

. It is bordered to the northwest, across Conewago Creek, by Londonderry Township in

Dauphin County Dauphin County (; Pennsylvania Dutch: Daffin Kaundi) 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 ...

. To the southwest, across the Susquehanna River, is the borough of York Haven in York County. Falmouth is south of the closed

Three Mile Island Nuclear Generating Station Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a closed nuclear power plant on Three Mile Island in Londonderry Township, Dauphin County, Pennsylvania on Lake Frederic, a reservoir in the Susquehanna River just ...

Pennsylvania Route 441 Pennsylvania Route 441 (PA 441) is a state route in central Pennsylvania that mostly parallels the Susquehanna River through Lancaster and Dauphin counties. The southern terminus is at PA 999 in the Manor Township hamlet of Washington Boro. ...

(River Road) passes through Falmouth, leading north (up the Susquehanna) to Middletown and southeast (downriver) to Bainbridge and to

Columbia Columbia may refer to: * Columbia (personification), the historical female national personification of the United States, and a poetic name for America Places North America Natural features * Columbia Plateau, a geologic and geographic region i ...

. Lancaster, the

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...

, is southeast of Falmouth. According to the

U.S. Census Bureau The United States Census Bureau (USCB), 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 Census Bureau is part of the ...

, the Falmouth CDP has a total area of , of which , or 0.06%, is water.

Demographics

References

{{Lancaster County, Pennsylvania Census-designated places in Lancaster County, Pennsylvania Census-designated places in Pennsylvania Unincorporated communities in Lancaster County, Pennsylvania Unincorporated communities in Pennsylvania