RegresarDivisión Administrativa del Ecuador (censo 1990)
| Provincia | Extensión (km2) | Población | Capital |
|---|---|---|---|
| Región Sierra | |||
| Carchi | 3.605 | 141.482 | Tulcán |
| Imbabura | 4.559 | 265.499 | Ibarra |
| Pichincha | 12.914 | 1'756.228 | Quito |
| Cotopaxi | 6.071 | 276.324 | Latacunga |
| Tungurahua | 3.334 | 361.980 | Ambato |
| Bolívar | 3.939 | 155.088 | Guaranda |
| Chimborazo | 6.569 | 364.682 | Riobamba |
| Cañar | 3.122 | 189.347 | Azoguez |
| Azuay | 8.124 | 506.090 | Cuenca |
| Loja | 11.026 | 384.698 | Loja |
| Región Costa | |||
| Esmeraldas | 15.239 | 306.628 | Esmeraldas |
| Manabí | 18.878 | 1'031.927 | Portoviejo |
| Los Ríos | 7.175 | 527.559 | Babahoyo |
| Guayas | 20.502 | 2'515.146 | Guayaquil |
| El Oro | 5.850 | 412.572 | Machala |
| Región El Oriente | |||
| Zucumbíos | 18.327 | 76.952 | Nueva Loja |
| Napo | 33.930 | 103.387 | Tena |
| Pastaza | 29.773 | 41.811 | Puyo |
| Morona Santiago | 25.690 | 84.216 | Macas |
| Zamora Chinchipe | 23.210 | 66.167 | Zamora |
| Francisco de Orellana | 23.210 | 66.167 | Puerto Fco. de Orellana |
| Región Insular | |||
| Galápagos | 8.010 | 9.785 | Pto. Baquerizo |
| Zonas no delimitadas | 2.288 | 70.621 | -- |