| Warren - Property Tax Rates | FIPS Code=23085 |
| Year | Effective Tax Rate |
| 1970 | 1.43 |
| 1972 | 0.83 |
| 1974 | 1.13 |
| 1978 | 1.05 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 0.87 | 0.42 | 0.45 | |
| 1982 | 0.76 | 0.38 | 0.38 | |
| 1983 | 0.70 | Not Available | Not Available | |
| 1985 | 0.67 | Not Available | Not Available | |
| 1987 | 0.65 | Not Available | Not Available | |
| 1988 | 0.83 | 0.38 | 0.45 | |
| 1989 | 0.77 | 0.32 | 0.45 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 0.77 | 0.32 | 0.45 |
| 1991 | 0.79 | 0.30 | 0.49 |
| 1993 | 0.77 | 0.24 | 0.53 |
| 1995 | 0.96 | 0.31 | 0.65 |
| 1997 | 1.12 | 0.32 | 0.80 |