| Ira - Property Tax Rates | FIPS Code=21045 |
| Year | Effective Tax Rate |
| 1970 | 1.71 |
| 1972 | 1.06 |
| 1974 | 1.07 |
| 1978 | 1.72 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 1.25 | 0.34 | 0.91 | |
| 1982 | 1.22 | 0.29 | 0.93 | |
| 1983 | 1.68 | Not Available | Not Available | |
| 1985 | 1.26 | Not Available | Not Available | |
| 1987 | 1.37 | Not Available | Not Available | |
| 1988 | 2.01 | 0.57 | 1.44 | |
| 1989 | 1.78 | 0.34 | 1.44 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.36 | 0.37 | 0.99 |
| 1991 | 1.33 | 0.39 | 0.94 |
| 1993 | 1.47 | 0.39 | 1.08 |
| 1995 | 1.76 | 0.32 | 1.44 |
| 1997 | 1.73 | 0.31 | 1.42 |