Territorial Growth in the City of
Pittsburgh
|
Territory Annexed |
Entry Date |
Area
Annexed (Sq. Miles) |
Total
Area (Sq. Miles) |
|
Borough of Pittsburgh |
March 5, 1804 |
0.5 |
0.5 |
|
City of Pittsburgh |
March 18, 1816 |
0.5 |
|
|
Northern Liberties Borough |
March 1, 1837 |
0.17 |
0.7 |
|
City's District 8/17 |
July 7, 1845 |
0.17 |
0.8 |
|
Part of Pitt Township |
November 4, 1846 |
0.8 |
|
|
Part of Pitt Township |
December 4, 1846 |
0.93 |
1.8 |
|
Part of Pitt Township |
December 12, 1846 |
1.8 |
|
|
Remainder of Pitt Township |
June 30, 1868 |
1.8 |
|
|
Peebles Township |
June 30, 1868 |
1.8 |
|
|
Liberty Township |
June 30, 1868 |
1.8 |
|
|
Collins Township |
June 30, 1868 |
1.8 |
|
|
Oakland Township |
June 30, 1868 |
1.8 |
|
|
Lawrenceville Boro |
June 30, 1868 |
21.34 |
23.1 |
|
Union Township |
April 2, 1872 |
23.1 |
|
|
Temperanceville Boro |
April 2, 1872 |
23.1 |
|
|
Mount Washington Boro |
April 2, 1872 |
23.1 |
|
|
West Pittsburgh Boro |
April 2, 1872 |
23.1 |
|
|
Monongahela Boro |
April 2, 1872 |
23.1 |
|
|
South Pittsburgh Boro |
April 2, 1872 |
23.1 |
|
|
Allentown Boro |
April 2, 1872 |
27.3 |
|
|
Birmingham Boro |
April 2, 1872 |
27.3 |
|
|
East Birmingham Borough |
April 2, 1872 |
27.3 |
|
|
St. Clair Borough |
April 2, 1872 |
4.19 |
27.3 |
|
Brushton Boro |
December 1, 1894 |
0.45 |
27.8 |
|
Beltzhoover Boro |
March 1, 1898 |
0.3 |
28.1 |
|
Elliott Boro |
January 2, 1905 |
0.32 |
28.4 |
|
Esplen Boro |
January 8, 1906 |
0.28 |
28.6 |
|
Sterett Township |
January 8, 1906 |
0.48 |
29.1 |
|
Montooth Boro |
January 7, 1907 |
0.11 |
29.2 |
|
Sheraden Boro |
November 21, 1907 |
0.97 |
30.2 |
|
City of Allegheny |
December 6, 1907 |
8.07 |
38.3 |
|
West Liberty Boro |
January 6, 1908 |
2.74 |
41 |
|
O'Hara Township |
October 30, 1908 |
0.32 |
41.3 |
|
Beechview Boro |
January 4, 1909 |
0.33 |
41.7 |
|
Part of Union Township |
January 4, 1909 |
0.09 |
41.8 |
|
Part of Baldwin Township |
January 1, 1912 |
0.24 |
42 |
|
Part of Ross Township |
December 19, 1916 |
0.02 |
42 |
|
Spring Garden Boro |
January 5, 1920 |
0.19 |
42.2 |
|
Part of Penn Township |
June 28, 1920 |
0 |
42.2 |
|
Part of Chartiers
Township |
October 4, 1920 |
0.02 |
42.2 |
|
Rmeainder of Chartiers Township |
January 1, 1921 |
3.42 |
45.7 |
|
Part of Reserve Township |
October 31, 1922 |
0.25 |
45.9 |
|
St. Clair Boro |
January 1, 1923 |
0.97 |
46.9 |
|
Parts of Lower St. Clair Township |
February 7, 1924 |
0.08 |
47 |
|
Part of Swissvale Boro |
November 27, 1925 |
0.03 |
47 |
|
Carrick Boro |
January 3, 1927 |
1.59 |
48.6 |
|
Knoxville Boro |
January 3, 1927 |
0.3 |
48.9 |
|
Westwood Boro |
January 3, 1927 |
0.3 |
49.2 |
|
Union Township |
January 2, 1928 |
0.94 |
50.1 |
|
Part of Ross Township |
June 29, 1928 |
0.06 |
50.2 |
|
Hays |
January 7, 1929 |
0.74 |
50.9 |
|
Part of Mifflin Township |
February 15, 1929 |
0.92 |
51.8 |
|
Part of Ross Township |
April 22, 1929 |
0.03 |
51.9 |
|
Part of Ross Township |
April 25, 1929 |
0.13 |
52 |
|
Part of Ross Township |
June 3, 1929 |
0.01 |
52 |
|
Part of Ross Township |
July 1, 1929 |
0 |
52 |
|
Part of Mifflin Township |
July 22, 1929 |
0 |
52 |
|
Part of Penn Township |
January 2, 1930 |
0.03 |
52.1 |
|
Part of Penn Township |
January 22, 1930 |
0.02 |
52.1 |
|
Overbrook Boro |
January 6, 1930 |
1.23 |
53.3 |
|
Part of Baldwin Township |
January 5, 1931 |
0.08 |
53.4 |
|
Part of Mifflin Township |
February 27, 1931 |
0.76 |
54.1 |
|
Part of Reserve Township |
March 20, 1931 |
0.15 |
54.3 |
|
Part of Baldwin Township |
December 1, 1947 |
0.06 |
54.4 |
|
Part of Ross Township |
April 28, 1948 |
0.02 |
54.4 |
|
Part of Baldwin Township |
February 5, 1951 |
1.08 |
55.5 |
|
Part of Baldwin Township |
March 13, 1951 |
0.04 |
55.5 |
|
Part of Robinson Township |
August 19, 1955 |
0.03 |
55.5 |
Source: 1990 City of Pittsburgh Comprehensive
Annual Financial Report for the Year Ended December 31, 1990