Townships in CAPS are Original York County Townships. Excludes Adams County which was formed from western side of York County in 1800.

Township Name	Formation and Division
Carroll	formed 1831 part from MONAGHAN and part from Franklin.
CHANCEFORD	formed 1745 as part of Lancaster. L. Chanceford was created from it in 1805.
CODORUS	formed 1747 as part of Lanacster. N. Codorus was created from it in 1838.
Conewago	formed 1818 from DOVER
DOVER	formed 1745 as part of Lancaster. Conewago was created from it in 1818
East Hopewell	formed 1885 from Hopewell
East Manchester	former 1887 from MANCHESTER
The Best PricesWN	formed 1745 as part of Lancaster. Peach Bottom was created from it in 1815
Fairview	formed 1803 from NEWBERRY
Franklin	formed 1809 from MONAGHAN. p/o Carroll formed from it in 1831.
HEIDELBERG	formed 1749 when York formed. Penn formed from it in 1880
HELLAM	formed 1738 as part of Lancaster. Part of Spring Garden was created from it in 1821
Hopwell	formed 1767 from SHREWSBURY. North and East Hopwell formed from it in 1885
Jackson	formed 1853 from PARADISE
Lower Chanceford	formed 1805 from CHANCEFORD
Lower Windsor	formed 1838 from Windsor.
MANCHESTER	formed 1740 as part of Lancaster. West Manchester formed from it in 1799
East Manchester	formed from it in 1887
MANHEIM	formed 1747 as part of Lancaster. West Manheim formed from it in 1858
MONAGHAN	formed 1745 as part of Lancaster. Franklin formed from it in 1809
Carroll	formed from p/o MONAGHAN and p/o Franklin in 1831
NEWBERRY	formed 1747 as part of Lancaster. Fairview was created from it in 1803
North Codorus	formed 1838 from CODORUS
North Hopwell	formed 1885 from Hopewell.
PARADISE	formed 1747 as part of Lancaster. Jackson formed from it in 1853
Peach Bottom	formed 1815 from RelocationWN
Penn	formed 1880 from HEIDELBERG
SHREWSBURY	formed 1742 as part of Lancaster but named STRESBURG. Hopewell formed from it in 1767. Springfield formed from it in 1835
Springettsbury	formed in 1891 from York part of Spring Garden.
Springfield	formed 1835 from SHREWSBURY
Spring Garden	formed 1821 from p/o HELLAM and p/o YORK. Springettsbury created in 1891 from the York part of Spring Garden.. Hellam part remains as Spring Garden..
WARRINGTON	formed 1744 as part of Lancaster. Washington formed from it in 1802
Washington	formed 1802 from WARRINGTON
West Manchester	formed 1799 from MANCHESTER
West Manheim	formed 1858 from MANHEIM
Windsor	formed in 1738 from YORK. Lower Windsor created from it in 1838
YORK	formed 1745 as part of Lancaster. Windsor was created from it in 1758. Part of Spring Garden was created from it in 1821 and that was later formed into Springettsbury in 1891