| 00665676 | Spring Lake Township | POPINPOVERTY | Persons below poverty level | 1990 | 0.028 | 2844 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 00665676 | Spring Lake Township | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 1990 | 0.064 | 2844 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 00665676 | Spring Lake Township | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 1990 | 0.039 | 2844 | PCT | Decennial Census 1990 SF1/SF3 | 1989 |
| 00665676 | Spring Lake Township | POPINPOVERTY | Persons below poverty level | 2000 | 0.015 | 3625 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 00665676 | Spring Lake Township | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2000 | 0.003 | 3625 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 00665676 | Spring Lake Township | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2000 | 0.036 | 3625 | PCT | Decennial Census 2000 SF1/SF3 | 1999 |
| 00665676 | Spring Lake Township | POPINPOVERTY | Persons below poverty level | 2014 | 0.039 | 3603 | PCT | American Community Survey 5Yr Summary File 2010-2014 | 2014 |
| 00665676 | Spring Lake Township | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2014 | 0.051 | 3603 | PCT | American Community Survey 5Yr Summary File 2010-2014 | 2014 |
| 00665676 | Spring Lake Township | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2014 | 0.014 | 3603 | PCT | American Community Survey 5Yr Summary File 2010-2014 | 2014 |
| 00665676 | Spring Lake Township | POPINPOVERTY | Persons below poverty level | 2019 | 0.046 | 3781 | PCT | American Community Survey 5yr Summary File 2015-2019 | 2019 |
| 00665676 | Spring Lake Township | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2019 | 0.008 | 3781 | PCT | American Community Survey 5yr Summary File 2015-2019 | 2019 |
| 00665676 | Spring Lake Township | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2019 | 0.026 | 3781 | PCT | American Community Survey 5yr Summary File 2015-2019 | 2019 |
| 00665676 | Spring Lake Township | POPINPOVERTY | Persons below poverty level | 2024 | 0.053 | 3478 | PCT | American Community Survey 5yr Summary File 2020-2024 | 2024 |
| 00665676 | Spring Lake Township | POV150_185 | Persons between 150% and 184% of poverty (less than 185%) | 2024 | 0.021 | 3478 | PCT | American Community Survey 5yr Summary File 2020-2024 | 2024 |
| 00665676 | Spring Lake Township | POVERTYTO150 | Persons between 100% and 149% of poverty (less than 150%) | 2024 | 0.009 | 3478 | PCT | American Community Survey 5yr Summary File 2020-2024 | 2024 |