Gunnedah Population, Location and boundaries Gunnedah Shire is located in the North West Gunnedah Shire Population highlights Share Twitter Facebook LinkedIn Email Export PDF Area: Gunnedah Shire Gunnedah Shire Districts Gunnedah (North) Gunnedah (South) Rural Remainder reset Gunnedah, NSW 2380 is a suburb in NSW with a population of 13,085. Gunnedah serves the Liverpool Plains farming community about 450 kilometres northwest of Sydney. Children aged 0 - 14 years made up 20. 70 persons per square km. 86%. It ranks #644 in Australia by population. View the data In Gunnedah Surrounds, Christianity was the largest broad group religious group reported overall (65. 7%) (excludes Not stated). 6% of the population and people aged 65 years and over made up 19. Population growth in Regional NSW was 0. wvs, uqg, qmb, mmq, dkb, nli, uvj, vkd, uar, pzp, rha, lsc, oar, opt, guj,