| 1790 | 1800 | 1810 | 1820 | 1830 |
| 1840 | 1850 | 1860 | 1870 | 1880 |
| 1890 | 1900 | 1910 | 1920 | 1930 |
| 1940 | Other |
| 1820 Federal Census Schedule | ||||
| County & Division | Links | NARA Roll | Transcription Status |
Proofreader Status |
| 1820 Census Images | ||||
| Adams | M33-96 |
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| Allegheny Deer |
M33-97 |
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| Allegheny Elizabeth |
M33-97 |
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| Allegheny Fayette |
M33-97 |
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| Allegheny Indiana |
M33-97 |
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| Allegheny Mifflin |
M33-97 |
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| Allegheny Moon |
M33-97 |
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| Allegheny Ohio |
M33-97 |
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| Allegheny Pine |
M33-97 |
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| Allegheny Pitt |
M33-97 |
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| Allegheny Pittsburgh E. |
M33-97 |
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| Allegheny Pittsburgh W. |
M33-97 |
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| Allegheny Plum |
M33-97 |
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| Allegheny Robinson |
M33-97 |
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| Allegheny Ross |
M33-97 |
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| Allegheny St. Clair |
M33-97 |
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| Allegheny Versailles Twp |
M33-97 |
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Available For 2nd Transcription |
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| Armstrong | M33-97 |
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| Beaver | M33-96 |
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| Bedford | Index | M33-98 |
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| Berks | M33-99 |
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| Bradford | M33-98 |
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| Bucks | M33-99 |
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| Bucks | M33-100 |
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| Butler | M33-98 |
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Available For 2nd Transcription |
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| Cambria | Images | M33-98 |
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| Centre | M33-98 |
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| Chester | M33-96 |
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| Clearfield | M33-98 |
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| Columbia | M33-101 |
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| Crawford | M33-101 |
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| Cumberland | M33-102 |
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| Dauphin | M33-102 |
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| Delaware | M33-103 |
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| Erie | M33-102 |
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| Fayette | M33-103 |
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| Franklin | M33-101 |
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| Greene | M33-98 |
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| Huntingdon | M33-104 |
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| Indiana | M33-105 |
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| Jefferson | M33-105 |
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| Lancaster | M33-106 |
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| Lebanon | M33-105 |
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| Lehigh | M33-104 |
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| Luzerne | M33-105 |
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| Lycoming | M33-107 |
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| McKean | M33-107 |
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| Mercer Coolspring Twp |
Index | M33-107 |
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| Mercer Delaware Twp |
Index | M33-107 |
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| Mercer French Creek Tp |
Index | M33-107 |
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| Mercer Lackawannock Twp |
Index | M33-107 |
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| Mercer Mahoning Twp |
Index | M33-107 |
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| Mercer Mercer Boro |
Index | M33-107 |
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| Mercer Neshanock Twp |
Index | M33-107 |
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| Mercer Pymatuning Tp |
Index | M33-107 |
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| Mercer Salem Twp |
Index | M33-107 |
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| Mercer Sandy Creek Tp |
Index | M33-107 |
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| Mercer Sandy Lake Tp |
Index | M33-107 |
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| Mercer Shenango Twp |
Index | M33-107 |
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| Mercer Sliperyrock Twp |
Index | M33-107 |
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| Mercer Springfield Twp |
Index | M33-107 |
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| Mercer W. Salem Twp |
Index | M33-107 |
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| Mercer Wolf Creek Twp |
Index | M33-107 |
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| Mifflin | M33-102 |
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| Montgomery | M33-100 |
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| Northampton | M33-104 |
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| Northumberland | M33-107 |
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| Perry | M33-104 |
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| Philadelphia (county/part) | M33-109 |
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| Philadelphia (county/part) | M33-110 |
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| Philadelphia (city) | M33-108 |
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| Pike | M33-111 |
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| Potter | M33-107 |
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| Schuylkill | Index | M33-111 |
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| Somerset Addison |
M33-111 |
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| Somerset Allegheny |
Index | M33-111 |
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| Somerset Berlin Boro |
Index | M33-111 |
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| Somerset Brothersvalley |
Index | M33-111 |
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| Somerset Conemaugh |
M33-111 |
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| Somerset Elklick |
M33-111 |
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| Somerset Greenville |
M33-111 |
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| Somerset Jenner |
M33-111 |
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| Somerset Milford |
M33-111 |
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| Somerset Not Stated |
M33-111 |
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| Somerset Quemahoning |
M33-111 |
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| Somerset Salisbury |
M33-111 |
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| Somerset Shade |
M33-111 |
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| Somerset Smithfield |
M33-111 |
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| Somerset Somerset |
M33-111 |
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| Somerset Southampton |
M33-111 |
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| Somerset Stonycreek |
Index | M33-111 |
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| Somerset Stoystown |
M33-111 |
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| Somerset Turkeyfoot |
M33-111 |
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| Susquehanna | M33-112 |
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| Tioga | M33-113 |
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| Union | M33-113 |
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| Venango | M33-114 |
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| Warren | Index | M33-113 |
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| Washington | M33-113 |
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| Wayne | M33-112 |
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| Westmoreland | M33-112 |
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| York | M33-114 |
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| State Recapitulation | M33-114 |
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