Population Of Chaplygin
The population of Chaplygin, as estimated in late 2010, is 13,488.
Regions of Russia 
- Adygeya
- Aginskiy Buryatskiy Avtonomnyy Okrug
- Altay
- Altayskiy Kray
- Amurskaya Oblast'
- Arkhangel'skaya Oblast'
- Astrakhanskaya Oblast'
- Bashkortostan
- Belgorodskaya Oblast'
- Bryanskaya Oblast'
- Buryatiya
- Chechnya and Ingushetiya
- Chelyabinskaya Oblast'
- Chitinskaya Oblast'
- Chukotskiy Avtonomnyy Okrug
- Chuvashiya
- Dagestan
- Evenkiyskiy Avtonomnyy Okrug
- Irkutskaya Oblast'
- Ivanovskaya Oblast'
- Kabardino-Balkariya
- Kaliningradskaya Oblast'
- Kalmykiya
- Kaluzhskaya Oblast'
- Kamchatskaya Oblast'
- Karachayevo-Cherkesiya
- Kareliya
- Kemerovskaya Oblast'
- Khabarovskiy Kray
- Khakasiya
- Khanty-Mansiyskiy Avtonomnyy Okrug
- Kirovskaya Oblast'
- Komi
- Komi-Permyatskiy Avtonomnyy Okrug
- Koryakskiy Avtonomnyy Okrug
- Kostromskaya Oblast'
- Krasnodarskiy Kray
- Krasnoyarskiy Kray
- Kurganskaya Oblast'
- Kurskaya Oblast'
- Leningradskaya Oblast'
- Lipetskaya Oblast'
- Magadanskaya Oblast'
- Mariy-El
- Mordoviya
- Moskovskaya Oblast'
- Moskva
- Murmanskaya Oblast'
- Nenetskiy Avtonomnyy Okrug
- Nizhegorodskaya Oblast'
- Novgorodskaya Oblast'
- Novosibirskaya Oblast'
- Omskaya Oblast'
- Orenburgskaya Oblast'
- Orlovskaya Oblast'
- Penzenskaya Oblast'
- Permskaya Oblast'
- Primorskiy Kray
- Pskovskaya Oblast'
- Rostovskaya Oblast'
- Ryazanskaya Oblast'
- Sakha (Yakutiya)
- Sakhalinskaya Oblast'
- Samarskaya Oblast'
- Sankt-Peterburg
- Saratovskaya Oblast'
- Severnaya Osetiya-Alaniya
- Smolenskaya Oblast'
- Stavropol'skiy Kray
- Sverdlovskaya Oblast'
- Tambovskaya Oblast'
- Tatarstan
- Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug
- Tomskaya Oblast'
- Tul'skaya Oblast'
- Tverskaya Oblast'
- Tyumenskaya Oblast'
- Tyva
- Udmurtiya
- Ul'yanovskaya Oblast'
- Ust'-Ordynskiy Buryatskiy Avtonomnyy Okrug
- Vladimirskaya Oblast'
- Volgogradskaya Oblast'
- Vologodskaya Oblast'
- Voronezhskaya Oblast'
- Yamalo-Nenetskiy Avtonomnyy Okrug
- Yaroslavskaya Oblast'
- Yevreyskaya Avtonomnaya Oblast'