Shōwa 55-nen kokusei chōsa zenkoku todōfuken shikuchōson betsu jinkō : yōkeihyō ni yoru jinkō : Shōwa 55-nen 10-gatsu 1-nichi genzai = 1980 population census of Japan, preliminary counts of the population on the basis of summary sheets : October 1, 1980.
昭和55年国勢調查全国都道府県市区町村別人口 : 要計表による人口 : 昭和55年10月1日現在 = 1980 population census of Japan, preliminary counts of the population on the basis of summary sheets : October 1, 1980.