Kostiantynivka's 2026 population is now estimated at 63,374. In 1979, the population of Kostiantynivka was 112,020. Kostiantynivka experienced a decrease of -972 residents over the past year, marking an annual decline of -1.51%. These population values and projections come from Ukraine urban places census/estimate series via CityPopulation and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Kiev | 2,995,010 | 0.36% |
| Kharkiv | 1,406,355 | -0.26% |
| Odessa | 1,007,310 | -0.08% |
| Dnepropetrovsk | 956,435 | -0.31% |
| Donetsk | 878,479 | -0.65% |
| Lviv | 711,462 | -0.2% |
| Zaporizhia | 683,510 | -0.95% |
| Kryvyi Rih | 581,142 | -0.96% |
| Sevastopol | 575,856 | 4.37% |
| Mykolaiv | 458,030 | -0.64% |
| Mariupol | 410,149 | -0.92% |
| Luhansk | 385,084 | -0.8% |
| Vinnytsia | 368,556 | -0.08% |
| Simferopol | 341,656 | 0.08% |
| Makiivka | 332,719 | -0.46% |
| Khmelnytskyi | 278,728 | 0.39% |
| Chernihiv | 276,499 | -0.56% |
| Poltava | 271,757 | -0.71% |
| Kherson | 270,334 | -0.8% |
| Chernivtsi | 265,389 | 0.1% |
| Cherkasy | 262,481 | -0.69% |
| Zhytomyr | 257,095 | -0.44% |
| Sumy | 250,490 | -0.59% |
| Ivano-Frankivsk | 243,983 | 0.6% |
| Rivne | 240,908 | -0.31% |
| Horlivka | 232,851 | -0.74% |
| Ternopil | 229,058 | 0.45% |
| Kamianske | 219,866 | -0.78% |
| Lutsk | 215,941 | -0.01% |
| Kropyvnytskyi | 213,150 | -0.75% |
| Kremenchuk | 210,179 | -0.6% |
| Bila Tserkva | 205,335 | -0.23% |
| Kerch | 159,875 | 0.84% |
| Melitopol | 144,988 | -0.66% |
| Kramatorsk | 139,887 | -1.26% |
| Brovary | 115,717 | 1.32% |
| Uzhhorod | 115,201 | -0.05% |
| Yevpatoria | 108,298 | 0.1% |
| Alchevsk | 103,923 | -0.51% |
| Berdiansk | 101,994 | -1.03% |
| Sloviansk | 99,801 | -1.29% |
| Nikopol | 99,334 | -1.42% |
| Pavlohrad | 97,515 | -0.98% |
| Sievierodonetsk | 94,489 | -1.18% |
| Kamianets-Podilskyi | 94,323 | -0.67% |
| Lysychansk | 88,658 | -1.28% |
| Mukacheve | 85,610 | 0.01% |
| Konotop | 81,180 | -0.72% |
| Irpin | 79,287 | 5.03% |
| Uman | 79,091 | -0.75% |
| Khrustalni | 78,219 | -0.42% |
| Yenakiieve | 74,572 | -0.69% |
| Oleksandriia | 73,024 | -1.03% |
| Yalta | 72,939 | -0.58% |
| Drohobych | 72,140 | -0.53% |
| Kadiivka | 71,363 | -0.65% |
| Berdychiv | 70,547 | -0.87% |
| Novomoskovsk | 69,144 | -0.26% |
| Shostka | 68,904 | -1.08% |
| Izmail | 68,682 | -0.45% |
| Bakhmut | 68,104 | -1.07% |
| Kovel | 66,858 | -0.27% |
| Boryspil | 66,192 | 0.8% |
| Feodosia | 64,961 | -0.51% |
| Smila | 64,194 | -0.57% |
| Kalush | 63,887 | -0.46% |
| Kostiantynivka | 63,374 | -1.51% |
| Nizhyn | 62,570 | -1.26% |
| Chervonohrad | 62,525 | -0.7% |
| Dovzhansk | 61,617 | -0.43% |
| Kolomyia | 60,558 | -0.11% |
| Pervomaisk | 60,406 | -0.82% |
| Korosten | 59,608 | -0.78% |
| Stryi | 59,221 | -0.09% |
| Pokrovsk | 58,038 | -0.88% |
| Chornomorsk | 57,076 | -0.39% |
| Khartsyzk | 54,991 | -0.54% |
| Novohrad-Volynskyi | 54,611 | -0.22% |
| Rubizhne | 53,035 | -1.02% |
| Khystyakove | 51,779 | -0.8% |
| Druzhkivka | 51,369 | -1.23% |
| Antratsyt | 51,134 | -0.49% |
| Enerhodar | 51,124 | -0.54% |
| Lozova | 50,882 | -1.07% |
| Horishni Plavni | 48,834 | -0.52% |
| Pryluky | 48,638 | -1.48% |
| Novovolynsk | 48,097 | -0.85% |
| Shakhtarsk | 47,116 | -0.57% |
| Bilhorod-Dnistrovskyi | 46,581 | -0.61% |
| Vyshneve | 45,708 | 1.55% |
| Okhtyrka | 45,588 | -0.58% |
| Snizhne | 44,688 | -0.6% |
| Rovenky | 44,613 | -0.5% |
| Myrnohrad | 44,477 | -0.89% |
| Brianka | 43,760 | -0.56% |
| Marhanets | 43,386 | -0.9% |
| Nova Kakhovka | 42,904 | -0.87% |
| Lubny | 42,523 | -0.9% |
| Izium | 42,168 | -1.6% |
| Fastiv | 42,104 | -1.1% |
| Varash | 41,787 | 0.05% |
| Bucha | 41,762 | 2.85% |
| Svitlovodsk | 41,595 | -0.9% |
| Sorokine | 41,490 | -0.49% |
| Zhovti Vody | 39,657 | -1.46% |
| Shepetivka | 38,898 | -0.88% |
| Podilsk | 38,492 | -0.47% |
| Dzhankoy | 37,693 | 0.46% |
| Yuzhnoukrainsk | 37,682 | -0.58% |
| Volodymyr-Volynskyi | 37,394 | -0.34% |
| Vasylkiv | 37,158 | 0.06% |
| Vyshhorod | 36,755 | 2.65% |
| Myrhorod | 36,474 | -0.95% |
| Dubno | 36,322 | -0.39% |
| Netishyn | 36,317 | -0.12% |
| Romny | 35,831 | -1.31% |
| Pokrov | 35,787 | -1.16% |
| Pervomaisk | 35,065 | -0.72% |
| Slavuta | 34,441 | -0.34% |
| Boyarka | 33,826 | -0.42% |
| Sambir | 33,794 | -0.26% |
| Kakhovka | 33,533 | -0.89% |
| Yasynuvata | 33,391 | -0.56% |
| Starokostiantyniv | 33,345 | -0.43% |
| Obukhiv | 33,341 | 0.04% |
| Yuzhne | 33,127 | 0.34% |
| Alushta | 33,021 | 1.29% |
| Zhmerynka | 32,981 | -0.58% |
| Voznesensk | 32,146 | -0.99% |
| Novoiavorivsk | 32,099 | 0.58% |
| Boryslav | 31,334 | -0.89% |
| Hlukhiv | 30,611 | -0.94% |
| Kostopil | 30,431 | -0.33% |
| Chuhuiv | 30,359 | -0.54% |
| Avdiivka | 29,692 | -1.38% |
| Bakhchysarai | 29,641 | 0.89% |
| Toretsk | 29,158 | -1.45% |
| Mohyliv-Podilskyi | 29,015 | -0.77% |
| Synelnykove | 28,733 | -0.78% |
| Sarny | 28,522 | -0.09% |
| Tokmak | 28,093 | -1.28% |
| Khust | 27,763 | -0.24% |
| Truskavets | 27,753 | -0.48% |
| Chortkiv | 27,612 | -0.59% |
| Pervomaiskyi | 27,348 | -1.03% |
| Novyi Rozdil | 27,338 | -0.46% |
| Khrestivka | 26,986 | -0.35% |
| Dobropillia | 26,904 | -1.14% |
| Zolotonosha | 26,665 | -0.5% |
| Khmilnyk | 26,261 | -0.61% |
| Pershotravensk | 26,198 | -0.84% |
| Ternivka | 26,062 | -0.84% |
| Holubivka | 25,893 | -0.72% |
| Haisyn | 25,608 | -0.09% |
| Pereiaslav-Khmelnytskyi | 25,512 | -0.73% |
| Kupiansk | 25,406 | -1.17% |
| Vynohradiv | 25,187 | -0.13% |
| Balakliia | 24,925 | -1.37% |
| Saky | 24,745 | 0.47% |
| Zdolbuniv | 24,406 | -0.09% |
| Perevalsk | 24,366 | -0.46% |
| Malyn | 24,356 | -0.82% |
| Slavutych | 24,224 | -0.24% |
| Zolochiv | 23,809 | -0.11% |
| Krasnoperekops'k | 23,735 | -1.84% |
| Oleshky | 23,657 | -0.49% |
| Debaltseve | 23,577 | -0.66% |
| Korostyshiv | 23,314 | -0.85% |
| Lebedyn | 22,984 | -0.97% |
| Berehove | 22,819 | -0.54% |
| Brody | 22,807 | -0.35% |
| Nadvirna | 22,630 | 0.14% |
| Dokuchaievsk | 22,442 | -0.43% |
| Ladyzhyn | 22,299 | -0.18% |
| Hadiach | 22,211 | -0.71% |
| Kaniv | 22,153 | -1.12% |
| Molodohvardiysk | 22,124 | -0.36% |
| Krolevets | 21,444 | -0.76% |
| Koziatyn | 21,331 | -1.04% |
| Vilnohirsk | 21,281 | -0.92% |
| Merefa | 20,635 | -0.67% |
| Selydove | 20,384 | -1.35% |
| Dolyna | 20,300 | -0.14% |
| Volnovakha | 20,233 | -1.12% |
| Sukhodilsk | 20,116 | -0.34% |
| Znamianka | 20,062 | -1.4% |
| Armyansk | 19,938 | -0.92% |
| Kremenets | 19,925 | -0.68% |
| Sokal | 19,892 | -0.59% |
| Stebnyk | 19,817 | -0.48% |
| Polonne | 19,471 | -0.88% |
| Liubotyn | 19,135 | -1.1% |
| Lyman | 18,988 | -1.37% |
| Krasnohrad | 18,939 | -0.95% |
| Trostianets | 18,756 | -1.02% |
| Yahotyn | 18,356 | -0.85% |
| Henichesk | 18,297 | -0.79% |
| Kalynivka | 18,136 | -0.48% |
| Popasna | 18,032 | -1.56% |
| Kiliya | 17,947 | -1.08% |
| Piatykhatky | 17,778 | -0.5% |
| Krasyliv | 17,728 | -0.87% |
| Volochysk | 17,687 | -0.84% |
| Amvrosiivka | 17,665 | -0.47% |
| Kurakhove | 17,412 | -1.13% |
| Polohy | 17,343 | -1.08% |
| Balta | 17,270 | -0.83% |
| Kreminna | 17,183 | -1.32% |
| Reni | 16,996 | -1.06% |
| Dniprorudne | 16,975 | -1.09% |
| Vovchansk | 16,723 | -1.07% |
| Derhachi | 16,627 | -0.76% |
| Bakhmach | 16,053 | -1.22% |
| Vatutine | 15,056 | -1.14% |
| Starobilsk | 15,018 | -1.49% |
