CHRONOLOGY OF COUNTIES

 

Counties

From What Formed

When Formed

Population in 1800

1 Chester Original 1682 32,039
2 Bucks Original 1682 27,496
3 Philadelphia Original 1682 81,009
4 Lancaster Chester 10 May 1729 43,043
5 York Lancaster 19 August 1749 25,643
6 Cumberland Lancaster 27 January 1750 25,386
7 Berks Philadelphia, Bucks, Lancaster 11 March 1752 32,497
8 Northampton Bucks 11 March 1752 30,062
9 Bedford Cumberland 9 March 1771 12,039
10 Northumberland Lancaster, Cumberland, Berks, Bedford, and North'n 27 March 1772 27,796
11 Westmoreland Bedford 26 February 1773 22,726
12 Washington Westmoreland 28 March 1781 28,293
13 Fayette Westmoreland 26 September 1783 20, 067
14 Franklin Cumberland 9 September 1784 19,638
15 Montgomery Philadelphia 10 September 1784 24,150
16 Dauphin Lancaster 4 march 1785 22,270
17 Luzerne Northumberland 25 September 1786 12,839
18 Huntingdon Bedford 20 September 1787 13,008
19 Allegheny Westmoreland and Washington 24 September 1788 15,087
21 Delaware Chester 26 September 1787 12,809
22 Mifflin Cumberland & Northumberland 19 September 1789 13,809
23 Somerset Bedford 17 April 1795 10,188
24 Lycoming Northumberland 13 April 1796 5,414
25 Greene Washington 9 February 1796 8,605
26 Wayne Northampton 21 March 1798 2,562
27 Adams York 22 January 1800 13,172
28 Centre Mifflin, Northumberland, Lycoming, & Huntingdon 13 February 1800 2,705
29 Armstrong Allegheny, Westmoreland, and Lycoming 12 March 1800 2,399
30 Butler Allegheny 12 March 1800 3,916
31 Beaver Allegheny and Washington 12 March 1800 5,776
32 Crawford Allegheny 12 March 1800 2,346
33 Erie Allegheny 12 March 1800 -
34 Mercer Allegheny 12 March 1800 3,228
35 Venango Allegheny and Lycoming 12 March 1800 1,130
36 Warren Allegheny and Lycoming 12 March 1800 230
37 Indiana Westmoreland and Lycoming 30 March 1803  
38 Jefferson Lycoming 26 March 1804  
39 McKean Lycoming 20 March 1804  
40 Potter Lycoming 26 March 1804  
41 Tioga Lycoming 26 March 1804  
42 Cambria Huntingdon, Somerset, and Bedford 20 March 1804  
43 Clearfield Lycoming and Northumberland 26 March 1804  
44 Bradford Luzerne and Lycoming 21 February 1810  
45 Susquehanna Luzerne 21 February 1810  
46 Schuykill Berks and Northampton 11 March 1811  
47 Lehigh Northampton 6 March 1812  
48 Lebanon Dauphin and Lancaster 16 February 1813  
49 Columbia Northumberland 22 March 1813  
50 Union Northumberland 22 March 1813  
51 Pike Wayne 26 March 1814  
52 Perry Cumberland 22 March 1826  
53 Juniata Mifflin 2 March 1831  
54 Monroe Northampton and Pike 1 April 1836  
55 Clarion Venango and Armstrong 11 March 1839  
56 Clinton Lycoming and centre 21 June 1839  
57 Wyoming Luzerne 4 April 1842  
58 Carbon Northampton and Monroe 13 March 1843  
59 Elk Jefferson, Clearfield, & McKean 18 April 1843  
60 Blair Huntingdon and Bedford 26 February 1846  
61 Sullivan Lycoming 15 March 1847  
62 Forest Jefferson & Venango 11 April 1848  


Map showing the evolution of the counties, geographically

Page last updated:

One website can not be all things to all people
- Nancy Janyszeski

"I haven't failed. I've found 10,000 ways that don't work."

- Thomas Alva Edison

This page last updated: July 13, 2011

Copyright© 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,2010, 2011
Nancy C. Janyszeski All rights reserved.     Information submitted remains, to the extent the laws allows, the property of the submitter who by submitting it agrees that it may be freely copied, but never sold or used in a commercial venture without the knowledge and permission of the rightful owners.   

This website was created as a guide to the history and genealogy of Bucks County Pennsylvania. All efforts have been made to be accurate and to document sources. Some of the material has been contributed and published, with permission, in good faith.

Broken Links:  NancyJanyszeski@yahoo.com