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NSW counties and pastoral districts and their population in 1856 according to the 1861 census (which has a comparison with 1856 data).
Used under the source data's licence: CC BY-NC-SA 4.0
Australian Bureau of Statistics; Australian Data Archive; Smith, Len; Rowse, Tim; Hungerford, Stuart, 2019, "Historical and Colonial Census Data Archive (HCCDA)", doi:10.26193/MP6WRS, ADA Dataverse, V5 https://dataverse.ada.edu.au/dataset.xhtml?persistentId=doi:10.26193/MP6WRS