As of June 2026, the population of Dominican Republic is 11.6 million. The number of inhabitants has increased by 94 thousand in the last year, representing a growth of 0.83%. The median age of the population has increased in recent years, rising from 25.6 years in 2016 to 28.8 years in 2026. Currently, life expectancy at birth is 74.9 years and population density is 240.7 inhabitants per square kilometer.
The population growth rate of Dominican Republic peaked in 1957, reaching around 3.35% annually, but has since declined to approximately 0.81% in 2026. The annual increase in the number of people has also decreased from a peak of around 149.82 thousand in 1990 to nearly 93.88 thousand in 2026.
In Dominican Republic, life expectancy at birth has been increasing, with the indicator rising from 71.2 years in 2006 to 74.9 years in 2026, representing an increase of almost 4 years over the past 2 decades.
Dominican Republic has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Santo Domingo, Nacional, with approximately 2.2 million inhabitants. It is followed by Santiago de los Caballeros, Santiago Province with 1.2 million and Santo Domingo Oeste, Santo Domingo Province with 701.3 thousand.
These are the 20 most populous cities in Dominican Republic:
| # | City | Population |
|---|---|---|
| 1 | Santo Domingo, Nacional | 2,201,941 |
| 2 | Santiago de los Caballeros, Santiago Province | 1,200,000 |
| 3 | Santo Domingo Oeste, Santo Domingo Province | 701,269 |
| 4 | Santo Domingo Este, Santo Domingo Province | 700,000 |
| 5 | San Pedro de Macorís | 217,899 |
| 6 | La Romana | 208,437 |
| 7 | Bella Vista, Nacional | 175,683 |
| 8 | San Cristóbal | 154,040 |
| 9 | Puerto Plata | 146,000 |
| 10 | San Francisco de Macorís, Duarte Province | 124,763 |
| # | City | Population |
|---|---|---|
| 11 | Salvaleón de Higüey, La Altagracia Province | 123,787 |
| 12 | La Vega | 102,426 |
| 13 | Punta Cana, La Altagracia Province | 100,023 |
| 14 | Santa Cruz de Barahona, Barahona Province | 77,160 |
| 15 | Bonao, Monseñor Nouel | 73,269 |
| 16 | San Juan de la Maguana, San Juan Province | 72,950 |
| 17 | Bajos de Haina, San Cristóbal | 66,784 |
| 18 | Baní, Peravia | 66,709 |
| 19 | Moca, Espaillat Province | 61,834 |
| 20 | Azua, Azua Province | 59,139 |