As of the 2010 Census, its population is 75,413, and its official language is Yiddish.[6] Birobidzhan is named after the two largest rivers in the autonomous oblast: the Bira and the Bidzhan. The Bira, which lies to the east of the Bidzhan Valley,[14] flows through the town. Both rivers are tributaries of the Amur.
Historical population
Year
Pop.
±%
1926
831
—
1939
29,648
+3467.7%
1959
40,667
+37.2%
1970
55,724
+37.0%
1979
68,630
+23.2%
1989
83,667
+21.9%
2002
77,250
−7.7%
2010
75,413
−2.4%
2021
68,536
−9.1%
Source: Census data
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^Федеральная служба государственной статистики. Федеральное агентство по технологическому регулированию и метрологии. №ОК 033-2013 1 января 2014 г. «Общероссийский классификатор территорий муниципальных образований. Код 99 605». (Federal State Statistics Service. Federal Agency on Technological Regulation and Metrology. #OK 033-2013 January 1, 2014 Russian Classification of Territories of Municipal Formations. Code 99 605. ).
^"Об исчислении времени". Официальный интернет-портал правовой информации (in Russian). June 3, 2011. Retrieved January 19, 2019.
^Почта России. Информационно-вычислительный центр ОАСУ РПО. (Russian Post). Поиск объектов почтовой связи (Postal Objects Search) (in Russian)