Sedgefield: Seat, Ward and Prediction Details

Sedgefield: Overview

 Prediction: LAB hold 

MP at 2017: Phil Wilson  (LAB)
County/Area: Durham (North East)
Electorate: 63,890
Turnout: 65.1%
2017
Votes
2017
Share
Predicted
Votes
LAB22,20253.4%53.8%
CON16,14338.8%35.1%
UKIP1,7634.2%6.6%
LIB7971.9%1.9%
Green6861.6%2.2%
OTH00.0%0.5%
LAB Majority6,05914.6%Pred Maj 18.7%
Chance of
winning
LAB
80%
CON
20%
UKIP
0%
LIB
0%
Green
0%
OTH
0%

Sedgefield : Political and Demographic indicators

The table below shows some political and demographic numerical indicators for the Sedgefield constituency, the 'North East' area and nation.

The political measures include the Left/Right and International/National axes (what does this mean).

The demographic measures are from the 2011 Census and include categories relating to national identity, economic activity, health and education. These categories are those which have the most relevance to political attitudes.

IndicatorSeatNorth EastAll GB
Party WinnerLABLABCON
Economic Position7° Left8° Left
National Position6° Nat4° Nat1° Int
EU Leave %60%58%52%
British Identity25%26%29%
Good Health42%44%48%
UK Born97%95%88%
Good Education34%35%39%
Good Job46%46%51%
High SEC44%44%51%
Average Age50.549.048.5
ABC1 Class44%47%53%

Sedgefield ranks #151 for "Leave", #466 for "Right" and #235 for "National" out of 650 seats.

Indicators: Legend and Descriptions

Indicators : Legend and Descriptions

The colour scheme used in the table above is explained in the legend table below. The eight census indicators (British Identity, Good Health, UK Born, Good Education, Good Job, High SEC, Average Age and AB1 Class) all use the same 'Census' colour scheme indicating whether the area's level is above or below the national average.

TopicCat 1Cat 2Cat 3Cat 4Cat 5
Economic PositionVery LeftLeftCentristRightVery Right
National PositionVery IntInternationalCentristNationalVery Nat
EU Leave %Very RemainRemainBalancedLeaveVery Leave
CensusVery LowLowMediumHighVery High

Indicator definitions are given in terms of political data definitions or census categories:

IndicatorCensus
Question
Definition / Included Census Categories
Party WinnerArea party winner : actual election result or projected by Electoral Calculus
Economic PositionEconomic position between 100° Left and 100° Right, estimated by Electoral Calculus from political and demographic data.
National PositionNational position between 100° International and 100° National, estimated by Electoral Calculus from political and demographic data.
EU Leave %EU Referendum vote share for 'Leave' : actual result or estimate
British IdentityNational Identity (KS202)Those answering British, British-Other, or Scottish-British
Good HealthHealth (KS301)Those answering 'Very Good Health'
UK BornCountry of Birth (QS203)Those answering England, Northern Ireland, Scotland, Wales, GB Other, or UK Other
Good EducationHighest level of Qualification (QS501)Level 3 (A-level equivalent) or Level 4+ (degree equivalent)
Good JobOccupation (QS606)Occupation codes 1xx to 4xx (Managers, Professionals, Associates, and office workers)
High SECNS-SeC of Household Reference Person (QS609)National Statistics Socio-economic Classification from 1 to 4 (higher managers and professionals, lower managers and professionals, intermediate occupations, small employers and self-employed).
Average AgeAge (QS103)Average age of adults (18 years and above)
ABC1 ClassApproximated Social Grade (QS611)Approximated social grades A, B and C1

Sedgefield: Map

Boundary Lines courtesy of Ordnance Survey OpenData © Crown copyright 2015

Sedgefield: Ward-by-ward

Workings for Sedgefield

This section gives an estimate of the votes cast in each ward of Sedgefield at the general election of 2017. The official ward breakdowns are not officially tabulated or published, so these numbers are only approximate. The basic idea of the calculation is to look at the district council wards which make up the new seat, and estimate how they voted in 2017, and also to predict how they will vote at the next election. These estimates are based both on the recent local election results and the Census 2011 demography in those wards, with adjustments made to allow for different turnouts and different voting patterns for local and general elections.

Usuallly each ward lies entirely within a single constituency, but some large wards are split between several constituencies (particularly in Scotland and Northern Ireland). The electorate figure shown is the estimate of the electorate which is common to both the constituency and the particular ward, and can be very small.

Election results from a recent local election are given. This is usually the local election closest to 2015 from the period 2012-2015. For multiple-member wards, the votes shown are the sum of the votes cast for all candidates of each party. A negative number indicates candidate(s) elected unopposed.

Calculation method

There are a few problems with using the raw (actual) local election results to imply general election results ward-by-ward. Firstly, turnout can be different between local and general elections, which means that the total number of local votes cast does not equal the number of votes cast in each old seat at the general election. To correct for this, we adjust the local votes to match the general election turnout. Each ward's result is scaled, whilst keeping constant the percentage support for each party, so that the total turnout adds up to the old seat's general election turnout. All wards in the old seat are assumed to have the same percentage turnout.

Because not all parties have a candidate in each ward, and sometimes there is only a single candidate elected unopposed, the local election results can understate a party's true support. To correct for this, we also use Census demography to make an alternative estimate of how the ward voted in the general election, based on any demographic differences between the ward and the seat overall.

Both method are then combined together, and the votes are subject to a final adjustment to make sure that the totals over the wards add up to the general election seat total, as they must.

Raw vote and Estimated General Election vote

The raw vote table shows the district council election results for all the wards in the seat of Sedgefield. The first block shows the actual results, the second block shows the turnout-adjusted results. The final block shows the estimated general election votes for each ward after all the processes are complete.

SedgefieldActual Results
DistrictWardElection
Year
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
DarlingtonBrinkburn and Faverdale20153,2873,13825101,1110
DarlingtonHeighington and Coniscliffe20152,782925002820
DarlingtonHurworth20156534421,11304440
DarlingtonPark East20155302,545594534464915
DarlingtonSadberge and Middleton St George20155,1321,8312236373080
DurhamAycliffe East20131191,6170001,287
DurhamAycliffe North and Middridge20134612,857000660
DurhamAycliffe West2013941,4580001,111
DurhamBishop Middleham and Cornforth20131275920000
DurhamBlackhalls201302,197000869
DurhamChilton201361646000280
DurhamFerryhill201302,6190003,482
DurhamSedgefield20131,5292,105000493
DurhamTrimdon and Thornley201305,14701,09100
DurhamWingate20130538000256

SedgefieldTurnout-adjusted Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
DarlingtonBrinkburn and Faverdale2166002014
DarlingtonHeighington and Coniscliffe3,2721,5105020015302,165
DarlingtonHurworth2,664434294740029501,763
DarlingtonPark East14494310981695
DarlingtonSadberge and Middleton St George4,4571,8616648123111202,949
DurhamAycliffe East6,2181622,2010001,7524,115
DurhamAycliffe North and Middridge7,8816043,7450008655,214
DurhamAycliffe West6,0731422,2000001,6764,018
DurhamBishop Middleham and Cornforth2,8273301,54000001,870
DurhamBlackhalls8250391000155546
DurhamChilton2,9291201,2680005501,938
DurhamFerryhill7,42202,1080002,8034,911
DurhamSedgefield6,1211,5002,0660004844,050
DurhamTrimdon and Thornley8,87404,84501,027005,872
DurhamWingate3,13201,4040006682,072
 Total62,8606,67823,2778311,2675708,96941,592

The turnout-adjusted results are now combined with the implied results from the Census Demography calculation, and then adjusted to match the general election totals. The results of these calculations are shown in the table below.

SedgefieldEst. 2017 General Election Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
DarlingtonBrinkburn and Faverdale2166001013
DarlingtonHeighington and Coniscliffe3,3261,5145419109102,165
DarlingtonHurworth2,7087524164062316601,763
DarlingtonPark East1462748586094
DarlingtonSadberge and Middleton St George4,5301,923757571278502,949
DurhamAycliffe East6,3201,6352,200231758104,114
DurhamAycliffe North and Middridge8,0102,0483,03028664205,214
DurhamAycliffe West6,1731,5562,236531304504,020
DurhamBishop Middleham and Cornforth2,8735111,28413421901,869
DurhamBlackhalls83915436512240546
DurhamChilton2,9776531,139271031601,938
DurhamFerryhill7,5442,0862,506772024004,911
DurhamSedgefield6,2211,9741,89688623104,051
DurhamTrimdon and Thornley9,0197244,37977253605,871
DurhamWingate3,1835791,3992692302,072
 Total62,86016,14222,2027961,764686041,592

Predicted ward-by-ward votes for Sedgefield

This table shows the predicted general election result broken down over each ward in the seat of Sedgefield.

SedgefieldPredicted Results
DistrictWardElectorate
2017
CON
Votes
LAB
Votes
LIB
Votes
UKIP
Votes
Green
Votes
Other
Votes
Total
Votes
DarlingtonBrinkburn and Faverdale2156001012
DarlingtonHeighington and Coniscliffe3,3261,429550964103112,166
DarlingtonHurworth2,7086834234066717691,764
DarlingtonPark East14623485107093
DarlingtonSadberge and Middleton St George4,5301,80776957200101142,948
DurhamAycliffe East6,3201,4732,21723277103204,113
DurhamAycliffe North and Middridge8,0101,8423,0512819670255,212
DurhamAycliffe West6,1731,3982,2535323067204,021
DurhamBishop Middleham and Cornforth2,8734371,29213892991,869
DurhamBlackhalls83913236713673546
DurhamChilton2,9775771,147271512791,938
DurhamFerryhill7,5441,8922,5267732467244,910
DurhamSedgefield6,2211,8141,9138816353204,051
DurhamTrimdon and Thornley9,0195814,394781556185,871
DurhamWingate3,1834971,408212134102,072
 Total62,86014,59022,3647962,74390119241,586

Please note that general election results and electorates are not officially made available ward-by-ward. The numbers shown are our best estimates for these figures, but are not official.


© 2017 Martin Baxter
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