| Local Counting Area | Provisional Referendum Electorate | 1 December 2015 Parliamentary Electorate | % Change from December 2015 |
| Peterborough | 120,884 | 117,332 | 3.0% |
| Luton | 127,604 | 123,011 | 3.7% |
| Southend-on-Sea | 128,844 | 122,216 | 5.4% |
| Thurrock | 109,889 | 106,050 | 3.6% |
| Bedford | 119,317 | 117,433 | 1.6% |
| Central Bedfordshire | 204,021 | 195,902 | 4.1% |
| Cambridge | 80,099 | 72,457 | 10.5% |
| East Cambridgeshire | 62,419 | 60,195 | 3.7% |
| Fenland | 71,440 | 68,752 | 3.9% |
| Huntingdonshire | 128,479 | 123,214 | 4.3% |
| South Cambridgeshire | 114,830 | 109,334 | 5.0% |
| Basildon | 132,762 | 125,122 | 6.1% |
| Braintree | 112,566 | 107,965 | 4.3% |
| Brentwood | 58,777 | 55,969 | 5.0% |
| Castle Point | 68,860 | 67,286 | 2.3% |
| Chelmsford | 129,966 | 126,744 | 2.5% |
| Colchester | 127,519 | 119,173 | 7.0% |
| Epping Forest | 100,016 | 96,985 | 3.1% |
| Harlow | 59,123 | 57,104 | 3.5% |
| Maldon | 49,063 | 46,913 | 4.6% |
| Rochford | 66,587 | 64,002 | 4.0% |
| Tendring | 111,159 | 108,162 | 2.8% |
| Uttlesford | 64,733 | 61,074 | 6.0% |
| Broxbourne | 68,990 | 65,719 | 5.0% |
| Dacorum | 108,965 | 103,351 | 5.4% |
| Hertsmere | 73,284 | 69,243 | 5.8% |
| North Hertfordshire | 99,306 | 94,820 | 4.7% |
| Three Rivers | 67,382 | 65,735 | 2.5% |
| Watford | 65,048 | 63,080 | 3.1% |
| Breckland | 98,985 | 97,112 | 1.9% |
| Broadland | 99,249 | 94,229 | 5.3% |
| Great Yarmouth | 72,625 | 69,448 | 4.6% |
| King's Lynn and West Norfolk | 113,870 | 110,120 | 3.4% |
| North Norfolk | 83,057 | 80,418 | 3.3% |
| Norwich | 96,081 | 92,715 | 3.6% |
| South Norfolk | 102,396 | 97,884 | 4.6% |
| Babergh | 70,628 | 67,769 | 4.2% |
| Forest Heath | 38,525 | 35,946 | 7.2% |
| Ipswich | 91,647 | 87,077 | 5.2% |
| Mid Suffolk | 78,325 | 75,499 | 3.7% |
| St Edmundsbury | 81,148 | 76,334 | 6.3% |
| Suffolk Coastal | 98,191 | 93,400 | 5.1% |
| Waveney | 90,385 | 87,136 | 3.7% |
| St Albans | 104,858 | 100,672 | 4.2% |
| Welwyn Hatfield | 78,124 | 72,858 | 7.2% |
| East Hertfordshire | 106,254 | 100,293 | 5.9% |
| Stevenage | 62,150 | 59,265 | 4.9% |
| Derby | 172,214 | 169,038 | 1.9% |
| Leicester | 213,807 | 208,553 | 2.5% |
| Rutland | 29,382 | 27,231 | 7.9% |
| Nottingham | 195,391 | 186,265 | 4.9% |
| Amber Valley | 96,753 | 90,363 | 7.1% |
| Bolsover | 58,058 | 56,150 | 3.4% |
| Chesterfield | 79,905 | 78,421 | 1.9% |
| Derbyshire Dales | 57,063 | 54,507 | 4.7% |
| Erewash | 87,592 | 84,119 | 4.1% |
| High Peak | 72,487 | 70,774 | 2.4% |
| North East Derbyshire | 78,851 | 76,647 | 2.9% |
| South Derbyshire | 73,854 | 71,110 | 3.9% |
| Blaby | 73,832 | 71,498 | 3.3% |
| Charnwood | 133,780 | 126,678 | 5.6% |
| Harborough | 67,427 | 63,015 | 7.0% |
| Hinckley and Bosworth | 85,295 | 83,025 | 2.7% |
| Melton | 37,268 | 36,622 | 1.8% |
| North West Leicestershire | 73,943 | 70,825 | 4.4% |
| Oadby and Wigston | 42,680 | 41,435 | 3.0% |
| Boston | 39,363 | 39,604 | -0.6% |
| East Lindsey | 107,021 | 102,247 | 4.7% |
| Lincoln | 63,336 | 57,397 | 10.3% |
| North Kesteven | 86,464 | 82,474 | 4.8% |
| South Holland | 65,699 | 63,189 | 4.0% |
| South Kesteven | 105,454 | 100,889 | 4.5% |
| West Lindsey | 73,504 | 71,867 | 2.3% |
| Corby | 43,310 | 42,985 | 0.8% |
| Daventry | 61,013 | 57,934 | 5.3% |
| East Northamptonshire | 68,329 | 64,202 | 6.4% |
| Kettering | 70,566 | 67,790 | 4.1% |
| Northampton | 144,914 | 136,862 | 5.9% |
| South Northamptonshire | 71,301 | 68,178 | 4.6% |
| Wellingborough | 54,566 | 52,208 | 4.5% |
| Ashfield | 91,909 | 89,761 | 2.4% |
| Bassetlaw | 85,557 | 83,037 | 3.0% |
| Broxtowe | 83,576 | 80,058 | 4.4% |
| Gedling | 88,288 | 85,232 | 3.6% |
| Mansfield | 77,586 | 73,581 | 5.4% |
| Newark and Sherwood | 87,322 | 82,289 | 6.1% |
| Rushcliffe | 86,397 | 83,499 | 3.5% |
| City of London | 5,986 | 6,157 | -2.8% |
| Barking and Dagenham | 115,801 | 110,620 | 4.7% |
| Barnet | 223,460 | 208,271 | 7.3% |
| Bexley | 170,772 | 164,141 | 4.0% |
| Brent | 186,750 | 181,095 | 3.1% |
| Bromley | 231,478 | 224,250 | 3.2% |
| Camden | 145,328 | 129,475 | 12.2% |
| Croydon | 245,332 | 232,777 | 5.4% |
| Ealing | 212,991 | 207,813 | 2.5% |
| Enfield | 198,359 | 191,259 | 3.7% |
| Greenwich | 168,967 | 159,244 | 6.1% |
| Hackney | 163,284 | 147,877 | 10.4% |
| Hammersmith and Fulham | 114,843 | 104,845 | 9.5% |
| Haringey | 150,097 | 140,663 | 6.7% |
| Harrow | 162,387 | 160,034 | 1.5% |
| Havering | 183,067 | 175,739 | 4.2% |
| Hillingdon | 193,026 | 182,811 | 5.6% |
| Hounslow | 165,031 | 158,287 | 4.3% |
| Islington | 144,507 | 133,713 | 8.1% |
| Kensington and Chelsea | 83,035 | 76,275 | 8.9% |
| Kingston upon Thames | 108,835 | 103,673 | 5.0% |
| Lambeth | 210,766 | 187,581 | 12.4% |
| Lewisham | 197,514 | 166,489 | 18.6% |
| Merton | 136,333 | 128,654 | 6.0% |
| Newham | 176,956 | 168,845 | 4.8% |
| Redbridge | 189,831 | 176,890 | 7.3% |
| Richmond upon Thames | 132,626 | 125,569 | 5.6% |
| Southwark | 195,847 | 185,966 | 5.3% |
| Sutton | 140,280 | 134,752 | 4.1% |
| Tower Hamlets | 167,789 | 150,351 | 11.6% |
| Waltham Forest | 162,971 | 154,888 | 5.2% |
| Wandsworth | 219,516 | 200,419 | 9.5% |
| Westminster | 120,524 | 111,064 | 8.5% |
| Hartlepool | 70,337 | 67,799 | 3.7% |
| Middlesbrough | 94,610 | 89,754 | 5.4% |
| Redcar and Cleveland | 103,503 | 99,781 | 3.7% |
| Stockton-on-Tees | 141,486 | 136,970 | 3.3% |
| Darlington | 77,664 | 74,410 | 4.4% |
| County Durham | 389,500 | 374,998 | 3.9% |
| Northumberland | 240,480 | 231,266 | 4.0% |
| Newcastle upon Tyne | 190,735 | 179,536 | 6.2% |
| North Tyneside | 156,975 | 150,134 | 4.6% |
| South Tyneside | 115,888 | 113,810 | 1.8% |
| Sunderland | 207,207 | 204,546 | 1.3% |
| Gateshead | 145,843 | 140,146 | 4.1% |
| Halton | 95,280 | 92,411 | 3.1% |
| Warrington | 157,035 | 151,669 | 3.5% |
| Blackburn with Darwen | 100,116 | 96,154 | 4.1% |
| Blackpool | 102,350 | 96,854 | 5.7% |
| Cheshire East | 285,941 | 268,936 | 6.3% |
| Cheshire West and Chester | 259,878 | 255,026 | 1.9% |
| Allerdale | 74,509 | 71,652 | 4.0% |
| Barrow-in-Furness | 53,194 | 52,088 | 2.1% |
| Carlisle | 80,136 | 76,453 | 4.8% |
| Copeland | 54,206 | 52,663 | 2.9% |
| Eden | 41,872 | 40,078 | 4.5% |
| South Lakeland | 81,940 | 78,690 | 4.1% |
| Burnley | 64,464 | 62,785 | 2.7% |
| Chorley | 84,159 | 81,080 | 3.8% |
| Fylde | 61,174 | 59,060 | 3.6% |
| Hyndburn | 62,037 | 59,462 | 4.3% |
| Lancaster | 100,554 | 95,708 | 5.1% |
| Pendle | 64,533 | 62,487 | 3.3% |
| Preston | 94,284 | 90,123 | 4.6% |
| Ribble Valley | 46,139 | 45,330 | 1.8% |
| Rossendale | 52,753 | 50,827 | 3.8% |
| South Ribble | 84,567 | 81,133 | 4.2% |
| West Lancashire | 85,833 | 82,204 | 4.4% |
| Wyre | 84,471 | 81,565 | 3.6% |
| Bolton | 197,096 | 188,011 | 4.8% |
| Bury | 141,600 | 133,755 | 5.9% |
| Manchester | 338,049 | 343,327 | -1.5% |
| Oldham | 158,084 | 152,827 | 3.4% |
| Rochdale | 156,598 | 147,636 | 6.1% |
| Salford | 173,665 | 161,614 | 7.5% |
| Stockport | 217,649 | 210,502 | 3.4% |
| Tameside | 168,047 | 163,322 | 2.9% |
| Trafford | 165,238 | 158,407 | 4.3% |
| Wigan | 235,975 | 226,720 | 4.1% |
| Knowsley | 111,631 | 109,168 | 2.3% |
| Liverpool | 317,901 | 302,119 | 5.2% |
| St. Helens | 136,086 | 129,846 | 4.8% |
| Sefton | 206,298 | 198,081 | 4.1% |
| Wirral | 242,558 | 233,412 | 3.9% |
| Northern Ireland | 1,260,955 | 1,238,019 | 1.9% |
| Clackmannanshire | 37,841 | 36,923 | 2.5% |
| Dumfries and Galloway | 115,824 | 112,534 | 2.9% |
| East Ayrshire | 91,970 | Not available | |
| East Lothian | 77,787 | 75,407 | 3.2% |
| East Renfrewshire | 69,572 | 67,200 | 3.5% |
| Eilean Siar | 21,259 | 20,780 | 2.3% |
| Falkirk | 117,390 | 114,455 | 2.6% |
| Fife | 272,987 | 266,589 | 2.4% |
| Highland | 175,557 | 171,165 | 2.6% |
| Inverclyde | 58,624 | Not available | |
| Midlothian | 66,757 | 64,683 | 3.2% |
| Moray | 71,367 | 68,961 | 3.5% |
| North Ayrshire | 104,570 | Not available | |
| Orkney Islands | 16,658 | 16,172 | 3.0% |
| Perth and Kinross | 110,217 | 106,598 | 3.4% |
| Scottish Borders | 88,426 | 84,783 | 4.3% |
| Shetland Islands | 17,375 | 16,831 | 3.2% |
| South Ayrshire | 88,111 | Not available | |
| South Lanarkshire | 248,954 | 242,402 | 2.7% |
| Stirling | 66,100 | 63,188 | 4.6% |
| Aberdeen City | 154,262 | Not available | |
| Aberdeenshire | 196,804 | Not available | |
| Argyll and Bute | 66,634 | 65,482 | 1.8% |
| City of Edinburgh | 346,056 | 326,146 | 6.1% |
| Renfrewshire | 127,290 | Not available | |
| West Dunbartonshire | 67,589 | 66,233 | 2.0% |
| West Lothian | 130,920 | 126,550 | 3.5% |
| Angus | 87,134 | 85,035 | 2.5% |
| Dundee City | 105,544 | 102,166 | 3.3% |
| North Lanarkshire | 254,562 | 248,554 | 2.4% |
| East Dunbartonshire | 83,026 | 81,353 | 2.1% |
| Glasgow City | 449,731 | 444,436 | 1.2% |
| Medway | 195,172 | 181,031 | 7.8% |
| Bracknell Forest | 85,298 | 81,316 | 4.9% |
| West Berkshire | 116,747 | 113,626 | 2.7% |
| Reading | 103,166 | 95,476 | 8.1% |
| Slough | 87,868 | 79,826 | 10.1% |
| Windsor and Maidenhead | 102,650 | 96,247 | 6.7% |
| Wokingham | 123,107 | 117,006 | 5.2% |
| Milton Keynes | 177,234 | 169,056 | 4.8% |
| Brighton and Hove | 198,241 | 181,925 | 9.0% |
| Portsmouth | 140,509 | 134,186 | 4.7% |
| Southampton | 158,164 | 147,241 | 7.4% |
| Isle of Wight | 109,840 | 104,928 | 4.7% |
| Aylesbury Vale | 136,235 | 127,928 | 6.5% |
| Chiltern | 70,189 | 68,075 | 3.1% |
| South Bucks | 52,190 | 49,971 | 4.4% |
| Wycombe | 125,260 | 118,395 | 5.8% |
| Eastbourne | 71,716 | 68,116 | 5.3% |
| Hastings | 61,947 | 57,075 | 8.5% |
| Lewes | 76,463 | 70,422 | 8.6% |
| Rother | 72,748 | 69,493 | 4.7% |
| Wealden | 121,162 | 115,752 | 4.7% |
| Basingstoke and Deane | 128,677 | 123,482 | 4.2% |
| East Hampshire | 90,543 | 85,801 | 5.5% |
| Eastleigh | 97,280 | 93,438 | 4.1% |
| Fareham | 90,174 | 86,570 | 4.2% |
| Gosport | 62,778 | 60,465 | 3.8% |
| Hart | 69,946 | 67,206 | 4.1% |
| Havant | 95,366 | 91,567 | 4.1% |
| New Forest | 141,057 | 137,016 | 2.9% |
| Rushmoor | 65,783 | 62,050 | 6.0% |
| Test Valley | 94,552 | 90,234 | 4.8% |
| Winchester | 89,581 | 85,124 | 5.2% |
| Ashford | 90,508 | 85,943 | 5.3% |
| Canterbury | 109,399 | 99,849 | 9.6% |
| Dartford | 73,951 | 71,643 | 3.2% |
| Dover | 85,009 | 83,350 | 2.0% |
| Gravesham | 72,801 | 69,935 | 4.1% |
| Maidstone | 117,226 | 107,915 | 8.6% |
| Sevenoaks | 87,241 | 85,192 | 2.4% |
| Shepway | 80,872 | 76,990 | 5.0% |
| Swale | 102,208 | 95,352 | 7.2% |
| Thanet | 99,126 | 96,434 | 2.8% |
| Tonbridge and Malling | 93,013 | 89,003 | 4.5% |
| Tunbridge Wells | 82,178 | 75,821 | 8.4% |
| Cherwell | 108,323 | 103,364 | 4.8% |
| Oxford | 97,309 | 88,382 | 10.1% |
| South Oxfordshire | 104,227 | 99,164 | 5.1% |
| Vale of White Horse | 94,479 | 89,822 | 5.2% |
| West Oxfordshire | 82,437 | 77,897 | 5.8% |
| Elmbridge | 98,579 | 93,117 | 5.9% |
| Epsom and Ewell | 56,374 | 54,319 | 3.8% |
| Guildford | 106,278 | 97,799 | 8.7% |
| Mole Valley | 66,730 | 64,282 | 3.8% |
| Reigate and Banstead | 103,727 | 99,253 | 4.5% |
| Runnymede | 58,269 | 55,110 | 5.7% |
| Spelthorne | 72,674 | 69,875 | 4.0% |
| Surrey Heath | 65,553 | 62,114 | 5.5% |
| Tandridge | 64,044 | 60,038 | 6.7% |
| Waverley | 92,291 | 87,526 | 5.4% |
| Woking | 71,275 | 67,140 | 6.2% |
| Adur | 48,754 | 46,398 | 5.1% |
| Arun | 117,117 | 112,592 | 4.0% |
| Chichester | 91,659 | 85,477 | 7.2% |
| Crawley | 73,570 | 70,152 | 4.9% |
| Horsham | 104,280 | 99,459 | 4.8% |
| Mid Sussex | 108,416 | 103,680 | 4.6% |
| Worthing | 81,375 | 77,075 | 5.6% |
| Bath and North East Somerset | 136,497 | 128,513 | 6.2% |
| Bristol, City of | 312,450 | 298,908 | 4.5% |
| North Somerset | 160,852 | 150,551 | 6.8% |
| South Gloucestershire | 207,788 | 201,588 | 3.1% |
| Plymouth | 186,980 | 175,825 | 6.3% |
| Torbay | 102,945 | 97,468 | 5.6% |
| Bournemouth | 132,734 | 129,755 | 2.3% |
| Poole | 113,418 | 107,609 | 5.4% |
| Swindon | 148,967 | 147,596 | 0.9% |
| Cornwall | 419,738 | 390,576 | 7.5% |
| Isles of Scilly | 1,799 | 1,643 | 9.5% |
| Wiltshire | 366,546 | 344,655 | 6.4% |
| East Devon | 112,542 | 106,711 | 5.5% |
| Exeter | 86,418 | 80,685 | 7.1% |
| Mid Devon | 60,531 | 57,506 | 5.3% |
| North Devon | 75,540 | 72,712 | 3.9% |
| South Hams | 69,120 | 65,342 | 5.8% |
| Teignbridge | 103,735 | 98,928 | 4.9% |
| Torridge | 52,875 | 50,717 | 4.3% |
| West Devon | 43,836 | 41,543 | 5.5% |
| Christchurch | 39,175 | 37,674 | 4.0% |
| East Dorset | 71,965 | 69,406 | 3.7% |
| North Dorset | 52,981 | 49,172 | 7.7% |
| Purbeck | 36,427 | 34,456 | 5.7% |
| West Dorset | 82,071 | 77,338 | 6.1% |
| Weymouth and Portland | 50,441 | 47,286 | 6.7% |
| Cheltenham | 87,059 | 85,183 | 2.2% |
| Cotswold | 68,721 | 65,406 | 5.1% |
| Forest of Dean | 66,702 | 64,697 | 3.1% |
| Gloucester | 89,714 | 85,835 | 4.5% |
| Stroud | 92,632 | 90,562 | 2.3% |
| Tewkesbury | 67,831 | 65,394 | 3.7% |
| Mendip | 85,054 | 79,332 | 7.2% |
| Sedgemoor | 89,700 | 86,347 | 3.9% |
| South Somerset | 126,488 | 117,299 | 7.8% |
| Taunton Deane | 84,150 | 77,803 | 8.2% |
| West Somerset | 27,476 | 26,186 | 4.9% |
| Gibraltar | 24,117 | N/A | |
| Isle of Anglesey | 51,445 | 49,058 | 4.9% |
| Gwynedd | 84,575 | 79,735 | 6.1% |
| Conwy | 91,364 | 88,330 | 3.4% |
| Denbighshire | 75,361 | 73,552 | 2.5% |
| Flintshire | 115,954 | 111,971 | 3.6% |
| Wrexham | 98,376 | 95,220 | 3.3% |
| Ceredigion | 54,464 | 50,166 | 8.6% |
| Pembrokeshire | 91,649 | 86,716 | 5.7% |
| Carmarthenshire | 139,222 | 133,069 | 4.6% |
| Swansea | 172,950 | 165,986 | 4.2% |
| Neath Port Talbot | 105,767 | 102,407 | 3.3% |
| Bridgend | 104,492 | 101,143 | 3.3% |
| Vale of Glamorgan | 95,003 | 90,443 | 5.0% |
| Cardiff | 243,686 | 226,338 | 7.7% |
| Rhondda Cynon Taf | 172,877 | 166,152 | 4.0% |
| Caerphilly | 130,773 | 125,073 | 4.6% |
| Blaenau Gwent | 51,127 | 49,479 | 3.3% |
| Torfaen | 68,946 | 65,921 | 4.6% |
| Monmouthshire | 71,607 | 67,941 | 5.4% |
| Newport | 104,986 | 100,341 | 4.6% |
| Powys | 103,265 | 98,576 | 4.8% |
| Merthyr Tydfil | 42,854 | 41,902 | 2.3% |
| Herefordshire, County of | 138,247 | 132,100 | 4.7% |
| Telford and Wrekin | 124,339 | 118,105 | 5.3% |
| Stoke-on-Trent | 178,987 | 178,974 | 0.0% |
| Shropshire | 236,761 | 228,468 | 3.6% |
| Cannock Chase | 75,010 | 72,976 | 2.8% |
| East Staffordshire | 83,558 | 80,826 | 3.4% |
| Lichfield | 80,371 | 77,169 | 4.1% |
| Newcastle-under-Lyme | 92,812 | 88,815 | 4.5% |
| South Staffordshire | 85,788 | 82,769 | 3.6% |
| Stafford | 99,605 | 94,870 | 5.0% |
| Staffordshire Moorlands | 79,364 | 77,799 | 2.0% |
| Tamworth | 56,823 | 56,376 | 0.8% |
| North Warwickshire | 49,789 | 47,173 | 5.5% |
| Nuneaton and Bedworth | 93,973 | 89,976 | 4.4% |
| Rugby | 74,127 | 70,696 | 4.9% |
| Stratford-on-Avon | 98,004 | 93,625 | 4.7% |
| Warwick | 103,098 | 97,326 | 5.9% |
| Bromsgrove | 74,151 | 71,486 | 3.7% |
| Malvern Hills | 60,215 | 58,136 | 3.6% |
| Redditch | 61,029 | 59,105 | 3.3% |
| Worcester | 73,516 | 69,999 | 5.0% |
| Wychavon | 94,497 | 91,190 | 3.6% |
| Wyre Forest | 77,875 | 74,791 | 4.1% |
| Birmingham | 707,210 | 681,726 | 3.7% |
| Coventry | 221,221 | 208,553 | 6.1% |
| Dudley | 244,491 | 237,798 | 2.8% |
| Sandwell | 221,441 | 213,951 | 3.5% |
| Solihull | 160,425 | 152,791 | 5.0% |
| Walsall | 194,714 | 185,797 | 4.8% |
| Wolverhampton | 174,758 | 168,991 | 3.4% |
| Kingston upon Hull, City of | 180,230 | 174,542 | 3.3% |
| East Riding of Yorkshire | 265,655 | 252,779 | 5.1% |
| North East Lincolnshire | 116,294 | 111,854 | 4.0% |
| North Lincolnshire | 123,597 | 119,248 | 3.6% |
| York | 155,157 | 147,038 | 5.5% |
| Craven | 44,320 | 41,863 | 5.9% |
| Hambleton | 70,139 | 66,823 | 5.0% |
| Harrogate | 119,977 | 115,182 | 4.2% |
| Richmondshire | 36,795 | 34,173 | 7.7% |
| Ryedale | 41,511 | 39,426 | 5.3% |
| Scarborough | 82,891 | 79,407 | 4.4% |
| Selby | 65,280 | 62,676 | 4.2% |
| Barnsley | 175,760 | 166,791 | 5.4% |
| Doncaster | 217,422 | 209,932 | 3.6% |
| Rotherham | 197,616 | 190,209 | 3.9% |
| Sheffield | 393,055 | 379,689 | 3.5% |
| Bradford | 342,817 | 324,440 | 5.7% |
| Calderdale | 149,191 | 141,860 | 5.2% |
| Kirklees | 307,068 | 293,151 | 4.7% |
| Leeds | 543,037 | 511,631 | 6.1% |
| Wakefield | 246,096 | 235,835 | 4.4% |