The Roaring Twenties led to population growth in New South Wales. Parkes is listed with an estimated population of 5,400 in 1928. It is estimated that the last time Parkes had a population of similar size would have been late 1870s. Source: POPULATION. (1928, May 11). The Sydney Morning Herald (NSW : 1842 - 1954), p. 12. Retrieved October 11, 2016, from http://nla.gov.au/nla.news-article16463678
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