| 163 | Washington County | POPINPOVERTY | Persons below poverty level | 1990 | 0.044 | 142698 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 163 | Washington County | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 1990 | 0.033 | 142698 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 163 | Washington County | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 1990 | 0.034 | 142698 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 163 | Washington County | POPINPOVERTY | Persons below poverty level | 2000 | 0.029 | 197986 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 163 | Washington County | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2000 | 0.025 | 197986 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 163 | Washington County | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2000 | 0.029 | 197986 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 163 | Washington County | POPINPOVERTY | Persons below poverty level | 2011 | 0.057 | 233658 | PCT | American Community Survey 5Yr Summary File 2007-2011 | 2011 |
| 163 | Washington County | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2011 | 0.032 | 233658 | PCT | American Community Survey 5Yr Summary File 2007-2011 | 2011 |
| 163 | Washington County | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2011 | 0.044 | 233658 | PCT | American Community Survey 5Yr Summary File 2007-2011 | 2011 |
| 163 | Washington County | POPINPOVERTY | Persons below poverty level | 2016 | 0.051 | 244976 | PCT | American Community Survey 5Yr Summary File 2012-2016 | 2016 |
| 163 | Washington County | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2016 | 0.039 | 244976 | PCT | American Community Survey 5Yr Summary File 2012-2016 | 2016 |
| 163 | Washington County | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2016 | 0.045 | 244976 | PCT | American Community Survey 5Yr Summary File 2012-2016 | 2016 |
| 163 | Washington County | POPINPOVERTY | Persons below poverty level | 2021 | 0.042 | 261262 | PCT | American Community Survey 5yr Summary File 2017-2021 | 2021 |
| 163 | Washington County | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2021 | 0.031 | 261262 | PCT | American Community Survey 5yr Summary File 2017-2021 | 2021 |
| 163 | Washington County | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2021 | 0.037 | 261262 | PCT | American Community Survey 5yr Summary File 2017-2021 | 2021 |