| Middletown Springs - Property Tax Rates | FIPS Code=21055 |
| Year | Effective Tax Rate |
| 1970 | 1.42 |
| 1972 | 1.65 |
| 1974 | 1.35 |
| 1978 | 1.55 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate | |
| 1980 | 1.31 | 0.40 | 0.91 | |
| 1982 | 1.66 | 0.49 | 1.17 | |
| 1983 | 1.68 | Not Available | Not Available | |
| 1985 | 1.70 | Not Available | Not Available | |
| 1987 | 1.65 | Not Available | Not Available | |
| 1988 | 1.24 | 0.41 | 0.83 | |
| 1989 | 1.22 | 0.31 | 0.91 |
| Year | Effective Tax Rate | Municipal Tax Rate | School Tax Rate |
| 1990 | 1.53 | 0.41 | 1.12 |
| 1991 | 2.01 | 0.50 | 1.51 |
| 1993 | 1.46 | 0.35 | 1.11 |
| 1995 | 1.66 | 0.44 | 1.22 |
| 1997 | 1.99 | 0.61 | 1.38 |