Yıl Gölcük Nüfusu Erkek Nüfusu Kadın Nüfusu
2020- 170 503 ------ 86 092 ------- 84 411
2019 -165 663 ------- 83 703 ------- 81 960
2018 -162.584 ------- 82.202 ------- 80.382
2017 -161.117 ------- 81.877 ------- 79.240
2016 -156.901 ------- 79.802 ------- 77.099
2015 -152.607 ------- 77.812 ------- 74.795
2014 -149.238 ------- 76.497 ------- 72.741
2013 -145.805 ------- 74.564 ------- 71.241
2012-143.867 ------- 73.784 ------- 70.083
2011- 141.926 ------- 72.569 ------- 69.357
2010 -137.637 ------- 69.474 ------- 68.163
2009 -136.035 68.962 67.073
2008 -136.513 70.423 66.090
2007 131.992 68.299 63.693