Population change by decade: East and West
| Population change by decade: East and West | |||||
|---|---|---|---|---|---|
| Decade | East | West | Total | ||
| 1940-1950 | 179,623 | (27.9%) | 463,149 | (72.1%) | 642,772 |
| 1950-1960 | 114,572 | (24.2%) | 359,679 | (75.8%) | 474,251 |
| 1960-1970 | 24,909 | (4.4%) | 535,127 | (95.6%) | 560,036 |
| 1970-1980 | 184,262 | (25.6%) | 534,841 | (74.4%) | 719,103 |
| 1980-1990 | 66,821 | (9.1%) | 667,489 | (90.9%) | 734,310 |
| 1990-2000 | 217,099 | (21.1%) | 810,359 | (78.9%) | 1,027,458 |
