Total population
The population of Oldham is
246,130 (2023 Mid Year Estimates).
- 22.7% aged under 18
- 61.4% aged 18-64
- 15.9% aged 65+
The age structure of Oldham is relatively youthful with a high proportion of residents aged under 18 (
22.7%). Since 2001, the population across Oldham and England has aged, with more people aged over 65 and fewer under 18s. This change has been influenced by a decrease in the birth rate and an increase in the average life expectancy.
Source: ONS Mid Year Estimates 2023.Population projections 2025-2035
Oldham's population is projected to increase from around
248,000 in 2025 to around
254,000 in 2035. An increase of
2.4%.
There will be over the next ten years:
- A 0.3% increase in those aged under 64.

- A 9.9% increase in those aged 65-84.
- A 39.1% increase in those aged over 85.
Given the growth in Oldham's over 85 population over the next ten years there will be significant changes in demand of adult social care and health provision.
Source: ONS Subnational population projections for England: 2022-based.