Izmit's 2025 population is now estimated at 376,464. In 1950, the population of Izmit was 57,276. Izmit has grown by 4,986 in the last year, which represents a 1.34% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Izmit, which typically includes Izmit's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Istanbul | 16,236,700 | |
| Ankara | 5,550,490 | |
| Izmir | 3,152,090 | |
| Bursa | 2,142,600 | |
| Adana | 1,876,820 | |
| Gaziantep | 1,858,710 | |
| Konya | 1,450,150 | |
| Antalya | 1,394,590 | |
| Diyarbakir | 1,128,360 | |
| Mersin | 1,099,040 | |
| Kayseri | 1,037,250 | |
| Eskisehir | 860,518 | |
| Gebze | 846,841 | |
| Cankaya | 792,189 | |
| Bagcilar | 724,270 | |
| Samsun | 718,641 | |
| Denizli | 712,016 | |
| Sanliurfa | 622,137 | |
| Kahramanmaras | 601,640 | |
| UEskuedar | 582,666 | |
| Van | 578,392 | |
| Bahcelievler | 576,799 | |
| Umraniye | 573,265 | |
| Malatya | 532,469 | |
| Esenler | 520,235 | |
| Batman | 480,040 | |
| Erzurum | 467,875 | |
| Karabaglar | 458,000 | |
| Elazig | 451,906 | |
| Muratpasa | 450,000 | |
| Sultangazi | 436,935 | |
| Maltepe | 427,040 | |
| Manisa | 419,194 | |
| Sivas | 401,785 | |
| Atasehir | 361,615 | |
| Balikesir | 354,366 | |
| Sisli | 314,684 | |
| Batikent | 300,000 | |
| Zeytinburnu | 288,743 | |
| Sultanbeyli | 286,622 | |
| Merkezefendi | 280,341 | |
| Adapazari | 272,039 | |
| Sancaktepe | 241,000 | |
| Esenyurt | 211,330 | |
| Arnavutkoey | 198,165 | |
| Basaksehir | 193,750 | |
| Tarsus | 187,508 | |
| Kirikkale | 185,431 | |
| Bueyuekcekmece | 163,140 | |
| Trabzon | 161,886 | |
| Iskenderun | 154,807 | |
| Afyonkarahisar | 146,136 | |
| Kutahya | 130,944 | |
| Antakya | 123,871 | |
| Beylikduezue | 122,452 | |
| Osmaniye | 122,307 | |
| Zonguldak | 117,975 | |
| Corum | 116,810 | |
| Isparta | 112,117 | |
| Aydin | 107,011 | |
| Karabuk | 105,373 | |
| Usak | 105,270 | |
| Edirne | 102,345 | |
| Ordu | 102,107 | |
| Adiyaman | 100,045 | |
| Erzincan | 91,772 | |
| Aksaray | 90,698 | |
| Ceyhan | 85,308 | |
| Cerkezkoey | 84,234 | |
| Kilis | 84,077 | |
| Tokat | 83,058 | |
| Tekirdag | 80,442 | |
| Nazilli | 80,277 | |
| Korfez | 78,707 | |
| Kars | 78,455 | |
| UEnye | 77,585 | |
| Bandirma | 77,444 | |
| Karaman | 76,525 | |
| Corlu | 74,681 | |
| Eregli | 74,283 | |
| Eregli | 74,283 | |
| Akhisar | 73,944 | |
| Turgutlu | 73,634 | |
| Kirsehir | 73,538 | |
| Belek | 73,260 | |
| Inegol | 73,258 | |
| Khanjarah | 71,379 | |
| Gemlik | 71,063 | |
| Salihli | 70,861 | |
| Turhal | 69,079 | |
| Kirikhan | 68,601 | |
| Siirt | 68,320 | |
| Soeke | 68,230 | |
| Giresun | 67,604 | |
| OEdemis | 67,153 | |
| Yalova | 65,823 | |
| Bafra | 65,600 | |
| Duzce | 65,209 | |
| Ahlat | 64,695 | |
| Siverek | 63,049 | |
| Cubuk | 62,602 | |
| Bolu | 61,509 | |
| Silvan | 60,731 | |
| Polatli | 60,158 | |
| Kiziltepe | 60,134 | |
| Nizip | 58,604 | |
| Agri | 58,038 | |
| Viransehir | 57,461 | |
| Amasya | 57,087 | |
| Doertyol | 56,513 | |
| Burdur | 56,432 | |
| Goelcuek | 56,189 | |
| Eminoenue | 55,548 | |
| Kadirli | 55,061 | |
| Nigde | 55,035 | |
| Elbistan | 54,741 | |
| Kozan | 54,451 | |
| Tatvan | 54,071 | |
| Canakkale | 53,995 | |
| Menemen | 53,489 | |
| Silivri | 53,167 | |
| Mardin | 53,005 | |
| Adilcevaz | 52,781 | |
| Rize | 52,743 | |
| Nevsehir | 52,719 | |
| Alanya | 52,460 | |
| Luleburgaz | 52,384 | |
| Aksehir | 51,746 | |
| Kastamonu | 51,560 | |
| Kavakli | 50,502 | |
| Yozgat | 50,335 | |
| Torbali | 50,303 | |
| Cizre | 50,023 | |
| Merter Keresteciler | 50,000 | |
| guengoeren merter | 50,000 | |
| Soma | 49,977 | |
| Keskin | 49,679 | |
| Nusaybin | 49,671 | |
| Sebin Karahisar | 47,360 | |
| Silifke | 46,858 | |
| Zile | 46,090 | |
| Urla | 45,199 | |
| Bolvadin | 44,969 | |
| Aliaga | 44,883 | |
| Mus | 44,019 | |
| Kirklareli | 43,017 | |
| Seydisehir | 42,737 | |
| Bergama | 42,554 | |
| Reyhanli | 42,451 | |
| Kahta | 42,183 | |
| Bingol | 41,590 | |
| Kesan | 40,656 | |
| Ercis | 40,481 | |
| Merzifon | 40,431 | |
| Suruc | 40,395 | |
| Bismil | 39,834 | |
| Cimin | 39,591 | |
| Karasu Mahallesi | 39,508 | |
| Fatsa | 39,467 | |
| Yalvac | 39,145 | |
| Igdir | 38,917 | |
| Carsamba | 38,863 | |
| Anamur | 38,817 | |
| Manavgat | 38,498 | |
| Sereflikochisar | 38,248 | |
| Tavsanli | 38,214 | |
| Bitlis | 38,130 | |
| Mustafakemalpasa | 37,938 | |
| Tire | 37,855 | |
| Vakfikebir | 37,728 | |
| Fethiye | 37,466 | |
| Ergani | 37,365 | |
| Besikduzu | 36,987 | |
| Talas | 36,890 | |
| Alasehir | 36,649 | |
| Uzunkoeprue | 36,470 | |
| Suluova | 36,223 | |
| Kestel | 36,185 | |
| Mugla | 35,605 | |
| Edremit | 35,486 | |
| Edremit | 35,486 | |
| Hinis | 35,472 | |
| Hendek | 35,257 | |
| Dogubayazit | 35,213 | |
| Niksar | 35,201 | |
| Dinar | 34,990 | |
| Goksun | 34,243 | |
| Cay | 34,215 | |
| Patnos | 33,759 | |
| Bayburt | 33,677 | |
| Erbaa | 33,554 | |
| Ceylanpinar | 33,238 | |
| Bozuyuk | 33,162 | |
| Develi | 32,961 | |
| Sarkikaraagac | 32,771 | |
| Gumushkhane | 32,250 | |
| Kumru | 32,174 | |
| Yesilli | 32,072 | |
| Bartin | 31,974 | |
| Of | 31,951 | |
| Kusadasi | 31,911 | |
| Orhangazi | 31,889 | |
| Karacabey | 31,665 | |
| Sorgun | 31,179 | |
| Ortakoy | 31,144 | |
| Kula | 31,100 | |
| Mimarsinan | 31,002 | |
| Sungurlu | 30,521 | |
| Beysehir | 30,412 | |
| Kemalpasa | 30,411 | |
| Hakkari | 30,407 | |
| Gorele | 30,381 | |
| Beykonak | 30,339 | |
| Erdemli | 30,042 | |
| Arakli | 29,917 | |
| Karakocan | 29,735 | |
| Golbasi | 29,588 | |
| Midyat | 29,569 | |
| Gurpinar | 29,411 | |
| Selcuk | 29,101 | |
| Yuksekova | 28,909 | |
| Yakuplu | 28,811 | |
| Cumra | 28,781 | |
| Milas | 28,741 | |
| Afsin | 28,524 | |
| Bozyazi | 28,456 | |
| Birecik | 28,440 | |
| Ilgin | 27,423 | |
| Bucak | 27,407 | |
| Kirkagac | 27,053 | |
| Karapinar | 26,849 | |
| Gonen | 26,849 | |
| Gonen | 26,849 | |
| Kulp | 26,569 | |
| Yerkoy | 26,248 | |
| Akcaabat | 26,240 | |
| Beypazari | 26,225 | |
| Malazgirt | 26,108 | |
| Besni | 26,076 | |
| Kaman | 26,038 | |
| Guroymak | 25,826 | |
| Susehri | 25,820 | |
| Ayvalik | 25,687 | |
| Sinop | 25,537 | |
| Elmadag | 25,394 | |
| Sapanca | 25,224 | |
| Kagizman | 25,157 | |
| Pazarcik | 25,154 | |
| Akyazi | 25,068 | |
| Sirnak | 25,059 | |
| Yahyali | 25,019 | |
| Bor | 24,556 | |
| Cayeli | 24,556 | |
| Pasinler | 24,553 | |
| Tunceli | 24,513 | |
| Gursu | 24,510 | |
| Karamursel | 24,462 | |
| Safranbolu | 24,351 | |
| Mahmutlar | 24,227 | |
| Bulancak | 24,172 | |
| Kazan | 23,889 | |
| Kelkit | 23,870 | |
| Can | 23,855 | |
| Emet | 23,812 | |
| Sarkisla | 23,800 | |
| Ferizli | 23,740 | |
| Silopi | 23,430 | |
| Bilecik | 23,273 | |
| Mudanya | 23,161 | |
| Serik | 23,106 | |
| Kovancilar | 22,976 | |
| Idil | 22,960 | |
| Babaeski | 22,823 | |
| Tosya | 22,810 | |
| Kozluk | 22,499 | |
| Genc | 22,493 | |
| Erzin | 22,477 | |
| Sandikli | 22,359 | |
| Gediz | 22,058 | |
| Menderes | 21,965 | |
| Oltu | 21,817 | |
| Burhaniye | 21,805 | |
| Sarikamis | 21,743 | |
| Tepecik | 21,699 | |
| Boyabat | 21,506 | |
| Bozova | 21,502 | |
| Havza | 21,500 | |
| Imamoglu | 21,484 | |
| Demirci | 21,378 | |
| Osmancik | 21,347 | |
| Yenisehir | 21,210 | |
| Hacilar | 21,167 | |
| Ardahan | 21,020 | |
| Cermik | 20,975 | |
| Bodrum | 20,931 | |
| Alapli | 20,890 | |
| Dargecit | 20,793 | |
| Biga | 20,753 | |
| Vezirkopru | 20,663 | |
| Alaca | 20,646 | |
| Cesme | 20,622 | |
| Karacoban | 20,467 | |
| Darende | 20,388 | |
| Terme | 20,381 | |
| Artvin | 20,306 | |
| Malkara | 20,180 | |
| Hadim | 20,110 | |
| Emirdag | 20,063 | |
| Surmene | 20,039 | |
| Tekirova | 20,000 | |
| Iskilip | 19,829 | |
| Hayrabolu | 19,793 | |
| Yomra | 19,770 | |
| Seferihisar | 19,596 | |
| Bahce | 19,566 | |
| Catalca | 19,316 | |
| Tasova | 19,253 | |
| Nallihan | 19,106 | |
| Yatagan | 19,020 | |
| Semdinli | 18,978 | |
| Saraykoy | 18,937 | |
| Susurluk | 18,906 | |
| Gerede | 18,780 | |
| Gurgentepe | 18,771 | |
| Eleskirt | 18,769 | |
| Varto | 18,691 | |
| Gelibolu | 18,670 | |
| Incirliova | 18,572 | |
| Diyadin | 18,172 | |
| Kizilcahamam | 17,975 | |
| Cerkes | 17,802 | |
| Mut | 17,600 | |
| Dursunbey | 17,532 | |
| Hopa | 17,519 | |
| Denizciler | 17,495 | |
| Taskopru | 17,491 | |
| Kulu | 17,425 | |
| Ardesen | 17,340 | |
| Kurtalan | 17,295 | |
| Iznik | 17,232 | |
| Egirdir | 17,228 | |
| Tekkekoy | 17,226 | |
| Serinhisar | 17,169 | |
| Tirebolu | 17,124 | |
| Banaz | 17,080 | |
| Horasan | 17,067 | |
| Hilvan | 16,990 | |
| Ermenek | 16,986 | |
| Gemerek | 16,916 | |
| Bayindir | 16,850 | |
| Korgan | 16,733 | |
| UErguep | 16,642 | |
| Elmali | 16,587 | |
| Mucur | 16,522 | |
| Turgutreis | 16,490 | |
| Devrek | 16,442 | |
| Marmaris | 16,361 | |
| Lice | 16,336 | |
| Caycuma | 16,303 | |
| Arhavi | 16,217 | |
| Arsin | 16,148 | |
| Simav | 16,110 | |
| Sarigerme | 16,000 | |
| Baskil | 15,922 | |
| Senirkent | 15,919 | |
| Osmaneli | 15,708 | |
| Ezine | 15,677 | |
| Belen | 15,629 | |
| Caglayancerit | 15,530 | |
| Askale | 15,462 | |
| Solhan | 15,303 | |
| Hizan | 15,302 | |
| Kadinhani | 15,301 | |
| Bigadic | 15,242 | |
| Akcakale | 15,211 | |
| Cine | 15,201 | |
| Foca | 15,189 | |
| Kocaali | 15,076 | |
| Espiye | 15,058 | |
| Dalaman | 15,025 | |
| Bulanik | 14,988 | |
| Pamukova | 14,885 | |
| Buldan | 14,811 | |
| Dogansehir | 14,794 | |
| Akcadag | 14,788 | |
| Cayiralan | 14,734 | |
| Gumushacikoy | 14,734 | |
| Siran | 14,692 | |
| Tonya | 14,544 | |
| Baskale | 14,516 | |
| Karasu | 14,500 | |
| Demre | 14,420 | |
| Caykara | 14,398 | |
| Yesilhisar | 14,354 | |
| Dikili | 14,125 | |
| Yunak | 14,050 | |
| Civril | 14,002 | |
| Hekimhan | 13,946 | |
| Sefaatli | 13,922 | |
| Suhut | 13,842 | |
| Kandira | 13,805 | |
| Altinoluk | 13,800 | |
| Cihanbeyli | 13,782 | |
| Yesilyurt | 13,766 | |
| Gazipasa | 13,697 | |
| Harran | 13,640 | |
| Akcakoca | 13,582 | |
| Ozdere | 13,500 | |
| Geyve | 13,405 | |
| Korkuteli | 13,381 | |
| Erdek | 13,246 | |
| Divrigi | 13,139 | |
| Mazidagi | 13,138 | |
| Eynesil | 13,133 | |
| Altinekin | 13,090 | |
| Macka | 13,078 | |
| Serinyol | 13,046 | |
| Dicle | 13,017 | |
| Ilgaz | 12,963 | |
| Celikhan | 12,961 | |
| Saruhanli | 12,947 | |
| Kalecik | 12,932 | |
| Altpinar | 12,925 | |
| Ilica | 12,922 | |
| Ispir | 12,906 | |
| Golmarmara | 12,857 | |
| Avanos | 12,833 | |
| Avsallar | 12,829 | |
| Nurdagi | 12,827 | |
| Bunyan | 12,821 | |
| Zara | 12,797 | |
| Sarigol | 12,794 | |
| Golhisar | 12,721 | |
| Gurun | 12,715 | |
| Atabey | 12,658 | |
| Uluborlu | 12,514 | |
| Camlidere | 12,484 | |
| Derinkuyu | 12,408 | |
| Gulnar | 12,385 | |
| Pinarbasi | 12,333 | |
| Delice | 12,286 | |
| Tercan | 12,235 | |
| Akdagmadeni | 12,220 | |
| Ortaca | 12,109 | |
| Cide | 12,095 | |
| Kursunlu | 11,956 | |
| Kumburgaz | 11,949 | |
| Goele | 11,943 | |
| Haymana | 11,896 | |
| Kangal | 11,888 | |
| Gevas | 11,879 | |
| Taskent | 11,838 | |
| Boyalik | 11,835 | |
| Iscehisar | 11,809 | |
| Persembe | 11,808 | |
| Ayancik | 11,779 | |
| Tomarza | 11,753 | |
| Kiraz | 11,718 | |
| Duragan | 11,626 | |
| Akseki | 11,616 | |
| Sile | 11,596 | |
| Tavas | 11,584 | |
| Oguzeli | 11,527 | |
| Huyuk | 11,502 | |
| Yenifakili | 11,470 | |
| Sason | 11,403 | |
| Didim | 11,378 | |
| Ahmetli | 11,377 | |
| Baykan | 11,346 | |
| Akyurt | 11,301 | |
| Palu | 11,271 | |
| Gerze | 11,260 | |
| Yalikavak | 11,227 | |
| Germencik | 11,217 | |
| Pinarhisar | 11,180 | |
| Saraykent | 11,175 | |
| Gordes | 11,168 | |
| Araban | 11,128 | |
| Keciborlu | 11,083 | |
| Hani | 11,055 | |
| Havran | 11,050 | |
| Vize | 11,027 | |
| Esme | 11,000 | |
| Pinarbasi | 10,964 | |
| Bozkir | 10,958 | |
| Marmara Ereglisi | 10,956 | |
| Acipayam | 10,924 | |
| Sindirgi | 10,907 | |
| Kinik | 10,753 | |
| Ikizce | 10,743 | |
| Acarlar | 10,595 | |
| Cekerek | 10,585 | |
| Selimpasa | 10,563 | |
| Sivrihisar | 10,535 | |
| Camas | 10,535 | |
| Pozanti | 10,517 | |
| Side | 10,505 | |
| Aksu | 10,500 | |
| Savastepe | 10,324 | |
| Salpazari | 10,254 | |
| Akkus | 10,206 | |
| Sarayonu | 10,198 | |
| Cifteler | 10,166 | |
| Datca | 10,121 | |
| Narman | 10,104 | |
| Lapseki | 10,076 | |
| Kesap | 10,047 | |
| Arapgir | 10,022 |
