| Regular members (individuals) | 4,457 |
| Student members | 92 |
| Support members | 239 |
| Honorary members | 37 |
| Total | 4,825 |
| President | Takayuki Kishii |
| Vice President | Haruhiko Goto |
| Vice President | Ryuichi Matsunami |
| Vice President | Toshitaro Minomo |
| Managing Director (Special Managing Director) | Norihiro Nakai |
| Managing Director | Hisashi Kubota |
| Managing Director | Minoru Takamizawa |
| Managing Director | Hitomi Kato |
| Managing Director | Makoto Yokohari |
| Managing Director | Shoji Morishita |
| Director | Makoto Aruji |
| Director | Konomi Ikebe |
| Director | Eiichi Itoigawa |
| Director | Masahiro Uehara |
| Director | Masuro Urayama |
| Director | Tetsuo Kokura |
| Director | Hidetsugu Kobayashi |
| Director | Tadashi Saeki |
| Director | Kazue Satani |
| Director | Kimio Takami |
| Director | Naofumi Takeuchi |
| Director | Hiroshi Nakamura |
| Director | Tetsuo Yai |
| Director | Nobuhaya Yamaguchi |
| Auditor | Takayuki Goto |
| Auditor | Masanobu Komoda |
| Auditor | Fujio Suzuki |
| General Affairs | Coordinates and communicates among the committees; considers and helps set general policy; proposes new ventures; coordinates with other organizations domestically and generally manages the smooth running of CPIJ. |
| Editorial Committee | Responsible for planning, editing, and publishing the bi-monthly journal “City Planning,” and for acting as a conduit for information exchange among the general membership. |
| Academic Committee | Provides peer review of general research reports and official papers, and produces a compilation of such reports for publication. Conducts an annual conference to present selected research. Solicits urban planning reports quarterly, and complies these in an annual collection as well. |
| Project Committee | In addition to planning and conducting the annual City Planning seminar, this committee also supports member research by planning monthly get-togethers, site visits, and other activities. |
| Information Committee | Collects and collates urban-planning articles and news from both professional and general media sources; publishes an annual bibliography of sources and works on providing electronic searches of the available data. |
| International Committee | Provides peer review of papers for presentation at international urban planning symposia, and collects and publishes those papers (including foreign submissions) in years when such symposia are held. Responsible for publishing the bi-annual CPIJ Newsletter for foreign readers. Manages academic exchanges with related organizations worldwide. |
| Awards Committee | Responsible for awarding Institute prizes to research, planning, and other activities which contributed significantly to academic and technological progress in the field. May present other awards to individuals who show exceptional dedication to promoting the goals of CPIJ. |
| Chubu Branch | Zip code: 460-0023 Address: Kanayamacho 1-1-1, Naka-ku,Nagoya City, Aichi Prefecture, Japan Inside of (Foundation) Nagoya Toshi Center | Tel: 052-678-2200 Fax: 052-678-2211 | Web site of Chubu Branch |
| Kansai Branch | Zip code: 556-0017 Address: Minatomachi 1-4-1 Osaka City Air Terminal Building 4th Floor, Naniwa-ku, Osaka City, Osaka Prefecture, Japan Inside of Osaka Toshi-kogaku Jyoho Center (Foundation) | Tel: 06-6647-1910 Fax: 06-6647-1920 | Web site of Kansai Branch |
| Kyushu Branch | Zip code: 812-8581 Address: Hakozaki 6-10-1, Higashi-ku, Fukuoka City, Fukuoka Prefecture, Japan Inside of Kyushu University Graduate School of Human-Environment Studies, Department of City and Architecture | Tel: 092-642-4397 Fax: 092-642-3349 | Web site of Kyushu Branch |
| Chugoku-Shikoku Branch | Zip code: 730-0041 Address: Komachi 4-33, Naka-ku, Hiroshima City, Hiroshima Prefecture, Japan Inside of Chugoku Chiho Sogo Kenkyu Center (Corporate juridical person) | Tel: 082-245-7900 Fax: 082-245-7629 | Web site of Chugoku-Shikoku Branch |