| Small Area | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 | 2031 | 2032 | 2033 | 2034 | 2035 | 2036 | 2037 | 2038 | 2039 | 2040 | 2041 | 2042 | 2043 | 2044 | 2045 | 2046 | 2047 | 2048 | 2049 | 2050 | 2051 | 2052 | 2053 | 2054 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coondle - Dewars Pool | 0.00 | 3.22 | 2.58 | 5.11 | 5.24 | 0.00 | 4.07 | 9.56 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 | 4.92 |
| Dumbarton - Hoddys Well | 0.00 | 7.22 | 6.84 | 18.91 | 10.92 | 11.40 | 10.16 | 25.48 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 | 17.56 |
| Morangup - Julimar | 0.00 | 3.16 | 0.85 | 1.91 | 2.74 | 3.01 | 3.15 | 1.92 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 | 2.31 |
| Toodyay | 0.00 | 5.08 | 4.84 | 6.06 | 6.42 | 2.65 | 2.43 | 9.43 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 | 5.99 |
| West Toodyay | 0.00 | 1.87 | 2.66 | 1.62 | 5.68 | 0.94 | 1.97 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 | 4.44 |
| Total | 0.00 | 20.55 | 17.77 | 33.61 | 31.00 | 18.00 | 21.78 | 50.83 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 | 35.22 |