| Timezone | Japan Time |
| Area | 12,588.3 km² |
| Population | 2.3 million (More Details) |
|
| Male Population | 1,089,475 (48.4%) |
| Female Population | 1,163,588 (51.6%) |
| Median Age | 48.7 |
| Postal Areas | 940, 941, 942 (17 more) |
| Postal Codes | 5,066 |
| Area Codes | 138, 224, 25 (11 more) |
| Cities | 12 |
20 Postal Areas in Niigata Prefecture
| Postal Area | City | Administrative Region | City Population |
|---|
| 940 | — | Niigata Prefecture | — |
| 941 | — | Niigata Prefecture | — |
| 942 | — | Niigata Prefecture | — |
| 943 | — | Niigata Prefecture | — |
| 944 | — | Niigata Prefecture | — |
| 945 | — | Niigata Prefecture | — |
| 946 | — | Niigata Prefecture | — |
| 947 | — | Niigata Prefecture | — |
| 948 | — | Niigata Prefecture | — |
| 949 | — | Niigata Prefecture | — |
| 950 | — | Niigata Prefecture | — |
| 951 | — | Niigata Prefecture | — |
| 952 | — | Niigata Prefecture | — |
| 953 | — | Niigata Prefecture | — |
| 954 | — | Niigata Prefecture | — |
| 955 | — | Niigata Prefecture | — |
| 956 | — | Niigata Prefecture | — |
| 957 | — | Niigata Prefecture | — |
| 958 | — | Niigata Prefecture | — |
| 959 | — | Niigata Prefecture | — |
Address Example
Niigata Prefecture Demographic Information
| Population | 2.3 million |
| Population Density | 179.0 / km² |
| Male Population | 1,089,475 (48.4%) |
| Female Population | 1,163,588 (51.6%) |
| Median Age | 48.7 |
| Male Median Age | 46.4 |
| Female Median Age | 50.8 |
| Businesses in Niigata Prefecture | 110,898 |
| Population (1975) | 2,399,112 |
| Population (2000) | 2,419,101 |
| Population change from 1975 to 2015 | -6.1% |
| Population change from 2000 to 2015 | -6.9% |
Cities in Niigata Prefecture
