| Timezone | Japan Time |
| Area | 7,106.9 km² |
| Population | 706,280 (More Details) |
|
| Male Population | 331,795 (47%) |
| Female Population | 374,484 (53%) |
| Median Age | 50.8 |
| Postal Areas | 780, 781, 782 (7 more) |
| Postal Codes | 1,607 |
| Area Codes | 880, 8872, 8873 (2 more) |
| Cities | 9 |
Postal Code Ranges
| Postal Areas | City | Number of postal codes |
|---|
| 780 - 783 | Ino, Kōchi | 3 |
10 Postal Areas in Kōchi Prefecture
Address Example
Kōchi Prefecture Demographic Information
| Population | 706,280 |
| Population Density | 99.4 / km² |
| Male Population | 331,795 (47%) |
| Female Population | 374,484 (53%) |
| Median Age | 50.8 |
| Male Median Age | 48.1 |
| Female Median Age | 53.2 |
| Businesses in Kōchi Prefecture | 25,843 |
| Population (1975) | 867,444 |
| Population (2000) | 799,060 |
| Population change from 1975 to 2015 | -18.6% |
| Population change from 2000 to 2015 | -11.6% |
Cities in Kōchi Prefecture
