SO23 postcode district
SO23 holds 812 live postcodes around Winchester, in Winchester.
Towns and villages with their centre in SO23
| # | Place | County / council | Population |
|---|---|---|---|
| 1 | Winchester | Hampshire | 46,074 |
| 2 | Kings Worthy | Hampshire | 4,388 |
Wards
| Name | Share of postcodes |
|---|---|
| St Michael | 44% |
| St Bartholomew | 38% |
| The Worthys | 16% |
| St Paul | 2% |
| Alresford and Itchen Valley | 0% |
| Badger Farm and Oliver's Battery | 0% |
Westminster constituency
Every SO23 postcode falls in Winchester.
Deprivation
The middle postcode here sits in decile 8 of the English Index of Multiple Deprivation (2021-Census LSOAs), where decile 1 is the most deprived tenth of neighbourhoods and 10 the least. 13% of this district's postcodes sit in the most deprived three deciles, 54% in the least deprived three.
Deprivation deciles describe the LSOA neighbourhood each postcode sits in, weighted by postcodes rather than by people, because the postcode file carries no population. A district where the deprived neighbourhoods are densely populated will read better here than it would per resident.
Neighbouring districts in the SO area
SO14 · SO15 · SO16 · SO17 · SO18 · SO19 · SO20 · SO21 · SO22 · SO24 · SO25 · SO30 · SO31 · SO32 · SO40 · SO41 · SO42 · SO43 · SO45 · SO50 · SO51 · SO52 · SO53 · SO97
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.