1817-1818 - Gen'l Andrew Jackson seized Florida from Spain
1821 (Mar. 10) - US bought Florida for $5,000,000 from Spain & formed Florida Territory
1835 - Fort Dallas established as post on Miami River on land which later became Miami
1845 (Mar. 3) - Florida joined the Union as the 27th State
1909 - Palm Beach formed from Dade County
1915 - Broward County formed from Dade & Palm Beach Counties
Name derived from Florida Governor Napoleon Bonaparte Broward
1997 - Dade County renamed Miami-Dade
| Year | Broward County | Dade / Miami-Dade |
Palm Beach | Florida |
| 4-30-1915 | 2-4-1836 / 11-13-1997 |
4-30-1909 | ||
| 1840 | n/a | 446 | n/a | 54,477 |
| 1850 | n/a | 159 | n/a | 87,455 |
| 1860 | n/a | 83 | n/a | 140,424 |
| 1870 | n/a | 85 | n/a | 187,748 |
| 1880 | n/a | 257 | n/a | 269,493 |
| 1890 | n/a | 861 | n/a | 391,422 |
| 1900 | n/a | 4,955 | n/a | 528,542 |
| 1910 | n/a | 11,933 | 5,577 | 752,619 |
| 1920 | 5,135 | 42,753 | 18,654 | 968,470 |
| 1930 | 20,094 | 142,955 | 51,781 | 1,468,211 |
| 1940 | 39,794 | 267,739 | 79,989 | 1,897,414 |
| 1950 | 83,933 | 495,084 | 114,688 | 2,771,305 |
| 1960 | 333,946 | 935,047 | 228,106 | 4,951,560 |
| 1970 | 620,100 | 1,267,792 | 348,753 | 6,789,437 |
| 1980 | 1,018,200 | 1,625,781 | 576,863 | 9,746,961 |
| 1990 | 1,255,488 | 1,937,094 | 863,518 | 12,937,926 |
| 2000 | 1,623,018 | 2,253,362 | 1,131,184 | 15,982,378 |
| 2001 | 1,670,537 | 16,396,515 (or 16,330,224) |
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| 2002 | 1,704,364 | 16,713,149 (or 16.674,608) |
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| 2003 | 1,731,347 | 17,019,068 (or 17,071,508) |
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| 2004 | 1,723,131 | 17,517,732 | ||
| 2005 | 1,755,900 | 17,872,300 | ||
| 2006 (projected) |
1,788,757 | 18,232,618 |
Data from US Census records & Demographic Estimating Conference Database published
by the State of Florida, which differs slightly from the Census figures.