| | Persons for Whom Poverty Status is Determined, 1990 | Persons Below Poverty Level, 1990 | Poverty Rate, 1990 | Poverty Rate, Percent of U.S. Average, 1990 |
|
| United States | 241,977,859 | 31,742,864 | 13.1% | 100.0% |
| Appalachian Region | 21,134,742 | 3,238,002 | 15.3% | 116.8% |
| Pennsylvania | 11,536,049 | 1,283,629 | 11.1% | 84.8% |
| Appalachian Pennsylvania | 5,593,189 | 696,729 | 12.5% | 95.0% |
|
| County |
| Allegheny | 1,305,173 | 150,713 | 11.5% | 88.0% |
| Armstrong | 72,518 | 9,305 | 12.8% | 97.8% |
| Beaver | 183,028 | 24,045 | 13.1% | 100.1% |
| Bedford | 47,514 | 6,458 | 13.6% | 103.6% |
| Blair | 127,609 | 18,015 | 14.1% | 107.6% |
| Bradford | 60,026 | 7,963 | 13.3% | 101.1% |
| Butler | 146,483 | 14,214 | 9.7% | 74.0% |
| Cambria | 156,947 | 21,928 | 14.0% | 106.5% |
| Cameron | 5,833 | 657 | 11.3% | 85.9% |
| Carbon | 56,037 | 5,253 | 9.4% | 71.5% |
| Centre | 108,636 | 19,748 | 18.2% | 138.6% |
| Clarion | 38,637 | 6,985 | 18.1% | 137.8% |
| Clearfield | 76,890 | 10,714 | 13.9% | 106.2% |
| Clinton | 34,977 | 5,376 | 15.4% | 117.2% |
| Columbia | 59,401 | 6,306 | 10.6% | 80.9% |
| Crawford | 83,265 | 12,890 | 15.5% | 118.0% |
| Elk | 34,489 | 3,274 | 9.5% | 72.4% |
| Erie | 265,434 | 34,223 | 12.9% | 98.3% |
| Fayette | 143,587 | 30,061 | 20.9% | 159.6% |
| Forest | 4,569 | 537 | 11.8% | 89.6% |
| Fulton | 13,712 | 1,675 | 12.2% | 93.1% |
| Greene | 38,180 | 8,153 | 21.4% | 162.8% |
| Huntingdon | 39,796 | 5,339 | 13.4% | 102.3% |
| Indiana | 84,079 | 15,696 | 18.7% | 142.3% |
| Jefferson | 45,237 | 6,142 | 13.6% | 103.5% |
| Juniata | 20,196 | 1,974 | 9.8% | 74.5% |
| Lackawanna | 212,576 | 22,710 | 10.7% | 81.4% |
| Lawrence | 93,589 | 13,009 | 13.9% | 106.0% |
| Luzerne | 318,090 | 35,742 | 11.2% | 85.7% |
| Lycoming | 115,024 | 13,180 | 11.5% | 87.3% |
| McKean | 44,728 | 6,660 | 14.9% | 113.5% |
| Mercer | 115,441 | 14,809 | 12.8% | 97.8% |
| Mifflin | 45,515 | 6,079 | 13.4% | 101.8% |
| Monroe | 92,238 | 6,708 | 7.3% | 55.4% |
| Montour | 16,610 | 1,418 | 8.5% | 65.1% |
| Northumberland | 95,117 | 11,036 | 11.6% | 88.4% |
| Perry | 40,654 | 3,052 | 7.5% | 57.2% |
| Pike | 27,712 | 1,964 | 7.1% | 54.0% |
| Potter | 16,339 | 2,435 | 14.9% | 113.6% |
| Schuylkill | 149,926 | 15,968 | 10.7% | 81.2% |
| Snyder | 34,402 | 3,789 | 11.0% | 84.0% |
| Somerset | 77,010 | 11,026 | 14.3% | 109.1% |
| Sullivan | 5,893 | 1,062 | 18.0% | 137.4% |
| Susquehanna | 39,928 | 4,832 | 12.1% | 92.3% |
| Tioga | 39,064 | 5,707 | 14.6% | 111.4% |
| Union | 30,847 | 3,186 | 10.3% | 78.7% |
| Venango | 57,617 | 8,688 | 15.1% | 114.9% |
| Warren | 43,659 | 4,208 | 9.6% | 73.5% |
| Washington | 199,210 | 25,412 | 12.8% | 97.2% |
| Wayne | 38,786 | 4,383 | 11.3% | 86.1% |
| Westmoreland | 363,781 | 38,992 | 10.7% | 81.7% |
| Wyoming | 27,180 | 3,030 | 11.1% | 85.0% |
