Sidoarjo is an administrative district (kecamatan) in Sidoarjo Regency and also a town within that regency (of which it is the seat), in the East Java province of Indonesia. In mid 2023, Sidoarjo district had a population of 197,756 and a density of 3,161 persons per km2.Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Sidoarjo Dalam Angka 2024 (Katalog-BPS 1102001.3515110)

The town of Sidoarjo extends beyond the district boundaries to include much of neighbouring districts, particularly Candi and Buduran. In the 1990 census, it had an urban population of 586,602.Robert Cribb, Historical Atlas of Indonesia, p.67. (University of Hawai'i Press, Honolulu, 2000).

Administrative divisions Sidoarjo district is divided into 24 administrative divisions, comprising 14 urban villages (kelurahan, each identified in the table below by an asterisk after its name) and ten rural villages (desa).Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Sidoarjo Dalam Angka 2024 (Katalog-BPS 1102001.3515110) The table also includes the post codes of each village.

KodeWilayah Name ofkelurahanor desa Areainkm2 Pop'ncensus2020 Pop'nestimatemid 2023Postcode 35.15.08.2001 Lebo 2.185,9225,80161223 35.15.08.2002 Suko 2.0516,39217,07761224 35.15.08.2003 Banjarbendo 1.428,6278,78061225 35.15.08.1004 Sidokare * 1.1416,23115,61261214 35.15.08.1005 Celep * 0.535,9165,67461215 35.15.08.1006 Sekardangan * 8.247,5337,49061215 35.15.08.1007 Gebang * 12.236,8657,03061231 35.15.08.2008 Rangkah Kidul 2.584,3974,45961234 35.15.08.1009 Bulusidokare * 9.708,6068,29261234 35.15.08.1010 Pucanganom * 4.046,1816,01261217 35.15.08.1011 Pekaumam * 0.092,7232,51861213 35.15.08.1012 Lemah Putro * 0.8913,04312,22461213 35.15.08.1013 Sidokumpul * 0.666,3336,01861212 35.15.08.1014 Sidoklumpuk * 0.475,7895,36361218 35.15.08.2015 Bluru Kidul 2.9518,44318,49861233 35.15.08.2016 Kemiri 3.237,3917,51761234 35.15.08.1017 Pucang * 0.866,0645,89161219 35.15.08.1018 Magersari * 1.1414,45413,94961212 35.15.08.2019 Jati 1.4210,16710,10561226 35.15.08.1020 Cemengkalang * 0.943,9563,97661234 35.15.08.2021 Cemengbakalan 1.104,1764,34361234 35.15.08.1022 Urangagung * 1.947,4247,61461234 35.15.08.2023 Sarirogo 1.535,1195,22361234 35.15.08.2024 Sumput 1.257,6378,30061228 Totals 62.56199,389197,756

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