NN1 postcode district
NN1 holds 830 live postcodes around Northampton, in West Northamptonshire.
Towns and villages with their centre in NN1
| # | Place | County / council | Population |
|---|---|---|---|
| 1 | Northampton | West Northamptonshire | 245,899 |
Wards
| Name | Share of postcodes |
|---|---|
| Castle | 66% |
| Abington & Phippsville | 21% |
| Kingsley & Semilong | 11% |
| Weston Favell & Abington Vale | 1% |
| "Far Cotton | 0% |
Westminster constituencies
| Name | Share of postcodes |
|---|---|
| Northampton North | 94% |
| Northampton South | 6% |
Deprivation
The middle postcode here sits in decile 3 of the English Index of Multiple Deprivation (2021-Census LSOAs), where decile 1 is the most deprived tenth of neighbourhoods and 10 the least. 59% of this district's postcodes sit in the most deprived three deciles, 3% 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 NN area
NN2 · NN3 · NN4 · NN5 · NN6 · NN7 · NN8 · NN9 · NN10 · NN11 · NN12 · NN13 · NN14 · NN15 · NN16 · NN17 · NN18 · NN29
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.