Charleston-North Charleston, SC Population by Decades
| Date |
Population |
Population Change |
Annual % Change |
| 1900 | 134,754 | - | - |
| 1910 | 129,972 | -4,782 | -0.4 |
| 1920 | 150,467 | 20,495 | 1.5 |
| 1930 | 142,242 | -8,225 | -0.6 |
| 1940 | 168,161 | 25,919 | 1.7 |
| 1950 | 217,708 | 49,547 | 2.6 |
| 1960 | 278,961 | 61,253 | 2.5 |
| 1970 | 336,125 | 57,164 | 1.9 |
| 1980 | 430,462 | 94,337 | 2.5 |
| 1990 | 506,875 | 76,413 | 1.6 |
| 2000 | 549,033 | 42,158 | 0.8 |
Source: U.S. Bureau of Census
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