| Timezone | United Kingdom Time |
| Area | 256.6 km² |
| Population | 321,012 (More Details) |
|
| Male Population | 154,497 (48.1%) |
| Female Population | 166,516 (51.9%) |
| Median Age | 42.8 |
| Postal Districts | CH25, CH26, CH27 (23 more) |
| Postal Codes | CH25 9AA, CH25 9AB, CH25 9AD (7,546 more) |
26 Postal Districts in Birkenhead, England
| Postal District | City | Administrative Region | Population | Area |
|---|
| CH25 | Birkenhead | England | — | — |
| CH26 | Prenton | England | — | — |
| CH27 | Birkenhead | England | — | — |
| CH28 | Birkenhead | England | — | — |
| CH30 | Birkenhead | England | — | — |
| CH41 | Birkenhead | England | 18,808 | 8.2 km² |
| CH42 | Birkenhead | England | 30,499 | 5.6 km² |
| CH43 | Birkenhead | England | 39,441 | 11.5 km² |
| CH44 | — | — | 28,894 | 5.2 km² |
| CH45 | — | — | 30,336 | 7.4 km² |
| CH46 | Birkenhead | England | 25,618 | 10 km² |
| CH47 | Hoylake | England | 10,830 | 7.6 km² |
| CH49 | — | — | 28,883 | 13.3 km² |
| CH61 | Heswall | England | 17,113 | 13.1 km² |
| CH63 | — | — | 30,316 | 29.2 km² |
| L41 | — | — | — | — |
| L42 | — | — | — | — |
| L43 | — | — | — | — |
| L44 | — | — | — | — |
| L45 | — | — | — | — |
| L46 | Birkenhead | England | — | — |
| L47 | — | — | — | — |
| L48 | — | — | — | — |
| L49 | — | — | — | — |
| L61 | Birkenhead | England | — | — |
| L63 | — | — | — | — |
Birkenhead, England Demographic Information
| Population | 321,012 |
| Population Density | 1,251 / km² |
| Male Population | 154,497 (48.1%) |
| Female Population | 166,516 (51.9%) |
| Median Age | 42.8 |
| Male Median Age | 41.6 |
| Female Median Age | 44 |
| Businesses in Birkenhead, England | 2,755 |
| Population (1975) | 334,144 |
| Population (2000) | 314,174 |
| Population change from 1975 to 2015 | -3.9% |
| Population change from 2000 to 2015 | +2.2% |
