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Creation |
Unknown (placeholder) |
Reduction |
Apr 16, 1771 |
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Reduction |
Huntingdon, Township of (Westmoreland, defunct) |
Creation |
Apr 6, 1773 |
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Reduction |
Salem, Township of (Westmoreland) |
Creation |
Jan 4, 1785 |
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Reduction |
Greensburg, Borough of (defunct) |
Creation |
Feb 9, 1799 |
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Reduction |
Adamsburg, Borough of (Westmoreland) |
Creation |
Apr 16, 1841 |
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Reduction |
East Huntingdon, Township of |
Expansion |
1845 |
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Expansion |
East Huntingdon, Township of |
Reduction |
1846 |
View |
Expansion |
Sewickley, Township of (Westmoreland) |
Reduction |
1846 |
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Reduction |
Penn, Township of (Westmoreland) |
Creation |
Feb 24, 1855 |
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Expansion |
Penn, Township of (Westmoreland) |
Reduction |
1858 |
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Reduction |
Ludwick, Borough of (defunct) |
Creation |
May 24, 1859 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
Mar 30, 1860 |
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Reduction |
Penn, Township of (Westmoreland) |
Expansion |
1861 |
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Expansion |
Penn, Township of (Westmoreland) |
Reduction |
1871–1872 |
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Reduction |
Madison, Borough of |
Creation |
Oct 3, 1876 |
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Reduction |
Bunker Hill, Borough of (defunct) |
Creation |
Jan 19, 1888 |
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Reduction |
Jeannette, Borough of (defunct) |
Creation |
Jun 13, 1889 |
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Reduction |
Southwest Greensburg, Borough of |
Creation |
Nov 28, 1890 |
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Reduction |
East Greensburg, Borough of (defunct) |
Creation |
Nov 29, 1890 |
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Reduction |
Bunker Hill, Borough of (defunct) |
Expansion |
Dec 23, 1890 |
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Reduction |
South Greensburg, Borough of |
Creation |
Jun 10, 1891 |
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Reduction |
Southeast Greensburg, Borough of (defunct) |
Creation |
Dec 16, 1892 |
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Reduction |
Arona, Borough of |
Creation |
Nov 11, 1895 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1891–1897 |
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Reduction |
Youngwood, Borough of |
Creation |
Nov 10, 1902 |
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Reduction |
Madison, Borough of |
Expansion |
Jan 14, 1903 |
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Reduction |
Madison, Borough of |
Expansion |
Apr 14, 1903 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
Jul 3, 1903 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1907 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1909 |
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Reduction |
Youngwood, Borough of |
Expansion |
1912 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1914 |
View |
Ascertainment |
Salem, Township of (Westmoreland) |
Ascertainment |
1916–1917 |
View |
Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1919 |
View |
Reduction |
Jeannette, Borough of (defunct) |
Expansion |
Dec 1, 1919 |
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Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1922 |
View |
Reduction |
Greensburg, Borough of (defunct) |
Expansion |
1924–1926 |
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Reduction |
South Greensburg, Borough of |
Expansion |
Nov 7, 1928 |
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Reduction |
Youngwood, Borough of |
Expansion |
1929 |
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Reduction |
Hunker, Borough of |
Creation |
Jan 28, 1929 |
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Reduction |
Greensburg, City of |
Expansion |
Nov 10, 1929 |
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Reduction |
Greensburg, City of |
Expansion |
Jan 30, 1930 |
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Reduction |
Greensburg, City of |
Expansion |
Apr 10, 1931 |
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Reduction |
Greensburg, City of |
Expansion |
1936 |
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Reduction |
Greensburg, City of |
Expansion |
1939 |
View |
Reduction |
South Greensburg, Borough of |
Expansion |
Sep 3, 1940 |
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Reduction |
South Greensburg, Borough of |
Expansion |
1942 |
View |
Reduction |
Youngwood, Borough of |
Expansion |
1941–1942 |
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Reduction |
Greensburg, City of |
Expansion |
1945 |
View |
Reduction |
Greensburg, City of |
Expansion |
1945–1946 |
View |
Reduction |
Greensburg, City of |
Expansion |
1946 |
View |
Reduction |
Greensburg, City of |
Expansion |
1946–1947 |
View |
Reduction |
Greensburg, City of |
Expansion |
1947 |
View |
Reduction |
Greensburg, City of |
Expansion |
May 8, 1949 |
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Reduction |
Jeannette, City of |
Expansion |
May 29, 1949 |
View |
Reduction |
Jeannette, City of |
Expansion |
Jan 7, 1950 |
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Reduction |
Jeannette, City of |
Expansion |
Nov 8, 1950 |
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Reduction |
Jeannette, City of |
Expansion |
Aug 20, 1952 |
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Reduction |
Jeannette, City of |
Expansion |
Aug 20, 1952 |
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Reduction |
Greensburg, City of |
Expansion |
1953 |
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Reduction |
Greensburg, City of |
Expansion |
Aug 1, 1955 |
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Reduction |
Youngwood, Borough of |
Expansion |
May 8, 1956 |
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Reduction |
Greensburg, City of |
Expansion |
Feb 12, 1957 |
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Reduction |
Greensburg, City of |
Expansion |
May 21, 1957 |
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Reduction |
Greensburg, City of |
Expansion |
Nov 5, 1957 |
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Reduction |
Youngwood, Borough of |
Expansion |
1958 |
View |
Reduction |
Greensburg, City of |
Expansion |
Nov 4, 1958 |
View |
Reduction |
South Greensburg, Borough of |
Expansion |
1959 |
View |
Reduction |
Greensburg, City of |
Expansion |
Jun 4, 1959 |
View |
Reduction |
Youngwood, Borough of |
Expansion |
Dec 7, 1959 |
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Reduction |
Greensburg, City of |
Expansion |
Dec 29, 1959 |
View |
Reduction |
Greensburg, City of |
Expansion |
Jan 29, 1960 |
View |
Reduction |
Greensburg, City of |
Expansion |
Jan 29, 1960 |
View |
Reduction |
Greensburg, City of |
Expansion |
Jan 29, 1960 |
View |
Reduction |
Greensburg, City of |
Expansion |
Jan 29, 1960 |
View |
Reduction |
Greensburg, City of |
Expansion |
Feb 4, 1960 |
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Reduction |
Adamsburg, Borough of (Westmoreland) |
Expansion |
Apr 26, 1960 |
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Reduction |
Greensburg, City of |
Expansion |
Jun 16, 1960 |
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Reduction |
Greensburg, City of |
Expansion |
Dec 2, 1960 |
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Reduction |
Greensburg, City of |
Expansion |
Dec 2, 1960 |
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Reduction |
Greensburg, City of |
Expansion |
May 16, 1961 |
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Reduction |
Greensburg, City of |
Expansion |
May 24, 1961 |
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Reduction |
Greensburg, City of |
Expansion |
Nov 7, 1961 |
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Reduction |
Greensburg, City of |
Expansion |
May 15, 1962 |
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Reduction |
Greensburg, City of |
Expansion |
Feb 19, 1963 |
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Reduction |
Greensburg, City of |
Expansion |
Dec 7, 1964 |
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Reduction |
Greensburg, City of |
Expansion |
Feb 23, 1965 |
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Reduction |
Greensburg, City of |
Expansion |
Feb 25, 1965 |
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Reduction |
Youngwood, Borough of |
Expansion |
Aug 23, 1965 |
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Reduction |
Greensburg, City of |
Expansion |
Feb 1, 1967 |
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Reduction |
Greensburg, City of |
Expansion |
Mar 15, 1967 |
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Reduction |
Greensburg, City of |
Expansion |
Nov 7, 1967 |
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Reduction |
South Greensburg, Borough of |
Expansion |
1968 |
View |
Reduction |
Youngwood, Borough of |
Expansion |
Jan 29, 1968 |
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Reduction |
Greensburg, City of |
Expansion |
Jul 30, 1968 |
View |
Reduction |
Greensburg, City of |
Expansion |
Mar 4, 1969 |
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Reduction |
Youngwood, Borough of |
Expansion |
1968–1970 |
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Reduction |
Greensburg, City of |
Expansion |
1969–1971 |
View |
Reduction |
Youngwood, Borough of |
Expansion |
1969–1971 |
View |
Reduction |
New Stanton, Borough of |
Creation |
Jan 3, 1972 |
View |
Ascertainment |
East Huntingdon, Township of |
Ascertainment |
1978–1979 |