Söderfors
Söderfors is a locality situated in Tierp Municipality, Uppsala County, Sweden with 1,572 inhabitants in 2010.
| Year | % | Votes | V | S | MP | C | L | KD | M | SD | NyD | Left | Right |
| 1973 | 93.4 | 1,736 | 4.3 | 70.9 | 13.5 | 4.1 | 2.5 | 3.9 | 75.1 | 21.5 | |||
| 1976 | 94.4 | 1,707 | 3.1 | 72.2 | 10.9 | 6.5 | 1.9 | 5.3 | 75.3 | 22.7 | |||
| 1979 | 94.6 | 1,583 | 3.3 | 74.9 | 7.7 | 6.1 | 2.3 | 5.6 | 78.2 | 19.5 | |||
| 1982 | 92.7 | 1,544 | 4.4 | 76.4 | 0.5 | 6.5 | 2.6 | 2.0 | 7.2 | 80.8 | 16.3 | ||
| 1985 | 92.0 | 1,478 | 4.3 | 78.8 | 0.1 | 4.3 | 6.7 | 5.6 | 83.1 | 16.6 | |||
| 1988 | 89.1 | 1,392 | 4.0 | 75.1 | 2.6 | 3.9 | 5.7 | 2.5 | 4.7 | 81.8 | 14.4 | ||
| 1991 | 89.1 | 1,357 | 4.3 | 71.2 | 1.5 | 3.4 | 4.6 | 4.9 | 6.4 | 3.6 | 75.5 | 19.3 | |
| 1994 | 89.0 | 1,294 | 4.3 | 76.3 | 1.6 | 2.9 | 3.3 | 2.6 | 7.5 | 0.7 | 82.1 | 16.2 | |
| 1998 | 81.6 | 1,125 | 10.2 | 68.9 | 1.4 | 2.4 | 2.2 | 6.0 | 7.6 | 80.5 | 18.3 | ||
| 2002 | 79.1 | 1,077 | 6.8 | 73.0 | 1.0 | 2.8 | 4.3 | 5.5 | 5.4 | 0.9 | 80.8 | 17.9 | |
| 2006 | 78.3 | 1,355 | 5.4 | 64.1 | 2.2 | 4.9 | 3.7 | 4.8 | 10.7 | 2.7 | 71.7 | 24.1 | |
| 2010 | 81.5 | 1,399 | 6.4 | 58.7 | 2.2 | 4.6 | 3.0 | 2.9 | 14.4 | 6.8 | 67.3 | 24.9 | |
| 2014 | 81.7 | 1,414 | 5.6 | 55.3 | 2.5 | 4.3 | 1.9 | 2.3 | 9.3 | 16.8 | 63.4 | 17.9 | |
| 2018 | 77.1 | 1,269 | 7.5 | 43.2 | 1.9 | 6.9 | 1.3 | 3.9 | 9.4 | 24.4 | 59.4 | 38.1 |