Mustikajaya is one of the twelve administrative districts (kecamatan) within the city municipality of Bekasi, in Jabodetabek (Jakarta's metropolitan area) on the island of Java, Indonesia. The district covers an area of , and had a population of 159,773 at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and 213,515 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2023 was 216,604 – comprising 108,783 males and 107,721 females.Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Mustikajaya Dalam Angka 2024 (Katalog-BPS 1102001.3275031)

Administrative divisions The administrative centre is located in Musikajaya kelurahan, and the district is sub-divided into four urban villages or communities (kelurahan), as listed below with their areas and their populations as at mid 2023,Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Mustikajaya Dalam Angka 2024 (Katalog-BPS 1102001.3275031) together with their postcodes. Kode Wilayah Name of kelurahan Area in km2 Populationmid 2023estimatePostcode 32.75.11.1001 Padurenan 7.63 56,565 17156 32.75.11.1002 Cimuning 5.48 43,767 17155 32.75.11.1003 Mustikajaya 6.80 77,483 17158 32.75.11.1004 Mustikasari 4.84 38,789 17157 32.75.11 Totals 24.76 216,604

Demographics Language Although currently the majority of the residents of this district use Indonesian language and Betawi language, however, some of the native residents still use Sundanese language. Its speakers can mainly be found in the sub-districts of Cimuning and Padurenan. In addition, Sundanese speakers can also be found in the districts of Bantargebang and Jatisampurna, where its use is still dominant, even in some sub-districts it is the main language. The Sundanese language used in this region is a dialect similar to Bogor Sundanese, especially in the northern region, namely Bekasi Sundanese.

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