Population (persons)
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Guayas | 3,778,720 | 3,840,319 | 3,901,981 | 3,963,541 | 4,024,929 | 4,086,089 | 4,146,996 | 4,207,610 | 4,267,893 | 4,327,845 | 4,387,434 |
| Los Rios | 805,514 | 817,676 | 829,779 | 841,767 | 853,622 | 865,340 | 876,912 | 888,351 | 899,632 | 910,770 | 921,763 |
| Santa Elena | 318,247 | 326,215 | 334,276 | 342,408 | 350,624 | 358,896 | 367,235 | 375,646 | 384,102 | 392,611 | 401,178 |
| El Oro | 624,860 | 634,481 | 644,000 | 653,400 | 662,671 | 671,817 | 680,845 | 689,760 | 698,545 | 707,204 | 715,751 |
| Esmeraldas | 551,712 | 561,605 | 571,382 | 581,010 | 590,483 | 599,777 | 608,906 | 617,851 | 626,626 | 635,227 | 643,654 |
| Manabi | 1,420,348 | 1,436,259 | 1,451,873 | 1,467,111 | 1,481,940 | 1,496,366 | 1,510,375 | 1,523,950 | 1,537,090 | 1,549,796 | 1,562,079 |