Notional results for a UK general election on 5 May 2005 North West, England - by turnout
| Ranking | Constituency | Winning party | Valid vote count | Electorate | Turnout (valid vote count / electorate) |
| 1 | Westmorland and Lonsdale | LD | 47,505 | 67,131 | 70.8% |
| 2 | Cheadle | LD | 49,564 | 72,103 | 68.7% |
| 3 | Wirral West | Con | 37,599 | 55,184 | 68.1% |
| 4 | Altrincham and Sale West | Con | 43,357 | 63,969 | 67.8% |
| 5 | Wirral South | Lab | 38,047 | 56,186 | 67.7% |
| 6 | Penrith and The Border | Con | 42,206 | 63,274 | 66.7% |
| 7 | Eddisbury | Con | 43,203 | 66,356 | 65.1% |
| 8 | City of Chester | Lab | 44,284 | 68,856 | 64.3% |
| 9 | Congleton | Con | 46,682 | 72,771 | 64.1% |
| 10 | Tatton | Con | 41,604 | 65,097 | 63.9% |
| 11 | Stretford and Urmston | Lab | 39,054 | 61,141 | 63.9% |
| 12 | Pendle | Lab | 41,132 | 64,590 | 63.7% |
| 13 | South Ribble | Lab | 46,639 | 73,527 | 63.4% |
| 14 | Wyre and Preston North | Con | 43,926 | 69,408 | 63.3% |
| 15 | Macclesfield | Con | 45,799 | 73,280 | 62.5% |
| 16 | Workington | Lab | 35,814 | 57,317 | 62.5% |
| 17 | Copeland | Lab | 38,958 | 62,635 | 62.2% |
| 18 | Chorley | Lab | 44,388 | 71,469 | 62.1% |
| 19 | Bury North | Lab | 40,778 | 66,138 | 61.7% |
| 20 | Rossendale and Darwen | Lab | 44,244 | 71,819 | 61.6% |
| 21 | Morecambe and Lunesdale | Lab | 41,310 | 67,119 | 61.5% |
| 22 | Ribble Valley | Con | 46,066 | 74,896 | 61.5% |
| 23 | Warrington South | Lab | 47,316 | 76,930 | 61.5% |
| 24 | Hazel Grove | LD | 38,629 | 62,991 | 61.3% |
| 25 | Ellesmere Port and Neston | Lab | 41,986 | 68,481 | 61.3% |
| 26 | Bolton West | Lab | 42,184 | 68,879 | 61.2% |
| 27 | Southport | LD | 41,201 | 67,530 | 61.0% |
| 28 | Sefton Central | Lab | 41,179 | 67,754 | 60.8% |
| 29 | Crewe and Nantwich | Lab | 45,142 | 75,361 | 59.9% |
| 30 | Burnley | Lab | 38,983 | 65,458 | 59.6% |
| 31 | Lancaster and Fleetwood | Lab | 38,876 | 65,332 | 59.5% |
| 32 | Fylde | Con | 38,773 | 65,373 | 59.3% |
| 33 | Barrow and Furness | Lab | 38,625 | 65,541 | 58.9% |
| 34 | Hyndburn | Lab | 40,059 | 68,144 | 58.8% |
| 35 | Carlisle | Lab | 37,791 | 64,546 | 58.5% |
| 36 | Bury South | Lab | 42,815 | 73,202 | 58.5% |
| 37 | West Lancashire | Lab | 43,155 | 74,298 | 58.1% |
| 38 | Wallasey | Lab | 38,072 | 65,892 | 57.8% |
| 39 | Blackburn | Lab | 41,388 | 71,763 | 57.7% |
| 40 | Blackpool North and Cleveleys | Lab | 38,199 | 66,317 | 57.6% |
| 41 | Rochdale | Lab | 42,941 | 75,018 | 57.2% |
| 42 | Oldham East and Saddleworth | Lab | 40,863 | 71,988 | 56.8% |
| 43 | St Helens North | Lab | 41,836 | 75,121 | 55.7% |
| 44 | Weaver Vale | Lab | 37,622 | 67,618 | 55.6% |
| 45 | Manchester, Withington | LD | 38,326 | 69,227 | 55.4% |
| 46 | Warrington North | Lab | 39,899 | 72,146 | 55.3% |
| 47 | Bolton North East | Lab | 37,772 | 69,311 | 54.5% |
| 48 | Worsley and Eccles South | Lab | 39,037 | 71,904 | 54.3% |
| 49 | Preston | Lab | 30,137 | 55,620 | 54.2% |
| 50 | Oldham West and Royton | Lab | 38,534 | 71,351 | 54.0% |
| 51 | Stockport | Lab | 34,630 | 64,150 | 54.0% |
| 52 | Heywood and Middleton | Lab | 41,519 | 77,063 | 53.9% |
| 53 | Stalybridge and Hyde | Lab | 35,760 | 66,379 | 53.9% |
| 54 | Knowsley | Lab | 41,936 | 77,977 | 53.8% |
| 55 | Halton | Lab | 37,129 | 69,240 | 53.6% |
| 56 | Garston and Halewood | Lab | 38,730 | 72,724 | 53.3% |
| 57 | St Helens South and Whiston | Lab | 41,054 | 77,162 | 53.2% |
| 58 | Denton and Reddish | Lab | 33,994 | 64,697 | 52.5% |
| 59 | Blackpool South | Lab | 33,451 | 63,951 | 52.3% |
| 60 | Wigan | Lab | 39,596 | 76,051 | 52.1% |
| 61 | Ashton-under-Lyne | Lab | 34,432 | 66,822 | 51.5% |
| 62 | Bolton South East | Lab | 34,765 | 67,735 | 51.3% |
| 63 | Leigh | Lab | 38,987 | 75,980 | 51.3% |
| 64 | Wythenshawe and Sale East | Lab | 36,184 | 70,744 | 51.1% |
| 65 | Bootle | Lab | 36,937 | 72,750 | 50.8% |
| 66 | Birkenhead | Lab | 31,676 | 63,434 | 49.9% |
| 67 | Makerfield | Lab | 36,918 | 74,344 | 49.7% |
| 68 | Liverpool, Wavertree | Lab | 32,681 | 68,361 | 47.8% |
| 69 | Liverpool, Walton | Lab | 32,153 | 68,755 | 46.8% |
| 70 | Blackley and Broughton | Lab | 30,124 | 65,686 | 45.9% |
| 71 | Manchester, Gorton | Lab | 32,412 | 70,860 | 45.7% |
| 72 | Liverpool, West Derby | Lab | 30,632 | 67,063 | 45.7% |
| 73 | Salford and Eccles | Lab | 32,805 | 72,085 | 45.5% |
| 74 | Liverpool, Riverside | Lab | 32,649 | 76,560 | 42.6% |
| 75 | Manchester Central | Lab | 30,337 | 72,630 | 41.8% |
Estimates of the 2005 general election result in new constituencies
Colin Rallings and Michael Thrasher, then at the University of Plymouth, produced estimates of the 2005 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Wales and Northern Ireland had then been in existence.
The Elections Centre, established by Professors Colin Rallings and Michael Thrasher, moved to the University of Exeter in 2003.