Epena's 2026 population is now estimated at 6,030. In 2007, the population of Epena was 2,257. Epena has grown by 294 in the last year, which represents a 5.13% annual change. These population values and projections come from Republic of the Congo city/locality census series 1984-2007 via CityPopulation attribution, Republic of the Congo INS RGPH-5 localities 2023 direct PDF extraction and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Brazzaville | 2,323,299 | 2.81% |
| Pointe-Noire | 1,586,239 | 4.28% |
| Dolisie | 205,241 | 4.83% |
| Nkayi | 111,640 | 2.36% |
| Ouesso | 87,248 | 5.13% |
| Oyo | 73,890 | 5.13% |
| Betou | 69,202 | 5.13% |
| Gamboma | 61,173 | 5.13% |
| Owando | 55,217 | 4.32% |
| Madingou | 48,383 | 3.38% |
| Makoua | 39,976 | 5.13% |
| Impfondo | 39,111 | 0.75% |
| Sibiti | 36,455 | 2.47% |
| Mossaka | 35,942 | 4.67% |
| Mindouli | 33,824 | 4.54% |
| Pokola | 33,194 | 5.13% |
| Ewo | 32,797 | 5.13% |
| Djambala | 28,737 | 5.13% |
| Bouansa | 27,891 | 2.02% |
| Loutete | 27,739 | 1.95% |