OL
Postcode areaPostcode area named after Oldham, with 16 districts.
Approximate outline worked out by Open Index from the ONS Postcode Directory: the outline joins its districts’ outlines, each made of the census output areas that hold most of the district’s postcodes.
Radon Affected Area by postcode area
Worked out by Open Index · 2022
About 92% of people in OL live in a 1 km square that the radon atlas marks as a radon Affected Area.
How OL compares
Each dot is a postcode area. The black line marks the middle one.
Every postcode area ranked: median sale price, population, people in radon affected area squares and gigabit broadband coverage.
What is the population of OL?
OL had 493,353 usual residents at the census.
OL is the 58th least populated of 120 in the UK.
Postcode districts in OL
| Name | People (census) | Median sale price | Recorded crime per 1,000 |
|---|---|---|---|
| OL1Oldham | 25,702 | £174,500 | No figure |
| OL2Royton, Shaw | 41,355 | £220,000 | No figure |
| OL3Uppermill, Delph | 15,174 | £331,000 | No figure |
| OL4Oldham, Lees | 47,783 | £207,000 | No figure |
| OL5Mossley, Micklehurst | 11,566 | £200,000 | No figure |
| OL6Ashton-under-Lyne, Hurst Brook | 30,848 | £220,000 | No figure |
| OL7Ashton-under-Lyne, Guide Bridge | 18,069 | £199,000 | No figure |
| OL8Oldham, Hathershaw | 45,545 | £185,000 | No figure |
| OL9Chadderton, Oldham | 44,540 | £195,000 | No figure |
| OL10Heywood, Hopwood | 29,603 | £205,000 | No figure |
| OL11Rochdale, Stoneyfield | 48,318 | £200,000 | No figure |
| OL12Rochdale, Town Head | 46,612 | £200,000 | No figure |
| OL13Bacup, Rockliffe | 16,367 | £160,000 | 108.8 per 1,000 |
| OL14Todmorden, Hole Bottom | 15,793 | £185,000 | 93.8 per 1,000 |
| OL15Littleborough, Stubley | 14,949 | £225,000 | No figure |
| OL16Rochdale, Milnrow | 41,129 | £190,000 | No figure |
OL in brief
The OL postcode area, named after Oldham, has 16 postcode districts.
The median price paid for a home in OL was £205,000 in 2025.
OL had 493,353 usual residents at the census.
About 92% of people in OL live in a 1 km square that the radon atlas marks as a radon Affected Area.
In OL, 94.0% of homes and businesses could get gigabit-capable broadband in January 2026.