Electoral ward
Castle
E05015983
This page groups current postcode coverage with source-backed Census, recorded sale and school counts. It is an official area summary, not a boundary or service-eligibility check.
Area summary
- Active postcodes
- 545
- Postcode districts
- 2
- Five-year recorded sales
- 1,581
- Open schools at matching postcodes
- 7
- Census 2021 residents
- 20,509
- Census 2021 households
- 8,942
- Mean postcode coordinate
- 52.23949, -0.89153
Quality-approved postcode districts
Related official areas
- Local authority districtWest NorthamptonshireE06000062 · 545 postcodes
- Lower layer super output areaWest Northamptonshire 034DE01035417 · 105 postcodes
- Lower layer super output areaWest Northamptonshire 032EE01032979 · 90 postcodes
- Lower layer super output areaWest Northamptonshire 034AE01027224 · 55 postcodes
- Lower layer super output areaWest Northamptonshire 031DE01027228 · 53 postcodes
- Lower layer super output areaWest Northamptonshire 032DE01032978 · 43 postcodes
- Lower layer super output areaWest Northamptonshire 031AE01027155 · 41 postcodes
- Lower layer super output areaWest Northamptonshire 034EE01035418 · 39 postcodes
- Lower layer super output areaWest Northamptonshire 034BE01027226 · 36 postcodes
- Lower layer super output areaWest Northamptonshire 032BE01027153 · 32 postcodes
- Lower layer super output areaWest Northamptonshire 031CE01027227 · 28 postcodes
- Lower layer super output areaWest Northamptonshire 031BE01027225 · 19 postcodes
- Lower layer super output areaWest Northamptonshire 034CE01027257 · 4 postcodes
- Middle layer super output areaWest Northamptonshire 034E02005674 · 239 postcodes
- Middle layer super output areaWest Northamptonshire 032E02005670 · 165 postcodes
- Middle layer super output areaWest Northamptonshire 031E02005672 · 141 postcodes
- Westminster parliamentary constituencyNorthampton NorthE14001406 · 508 postcodes
- Westminster parliamentary constituencyNorthampton SouthE14001407 · 37 postcodes
Source and limitations
Source: Office for National Statistics licensed under the Open Government Licence v.3.0.. Coverage: United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope.
Names come from ONS Postcode Directory, release 2026-08, file Documents/WD Ward names and codes UK as at 05_26.csv, publisher date 1 Sept 2026.
OGL-3.0 with third-party rights. Counts reflect active postcodes in the current CheckNear.me publication and may differ from administrative service records.