| Number and Percent of Pre-1950 Housing by County, 2000 Census | |||||
| County | Total Housing Units | Housing Units Built 1940 to 1949 | Housing Units Built 1939 or earlier | Total Housing Units Built Pre-1950 | Percent Pre-1950 Housing |
| State Total | 7,302,947 | 224,543 | 209,021 | 433,564 | 5.9 |
| Alachua | 95,113 | 2,925 | 3,493 | 6,418 | 6.7 |
| Baker | 7,592 | 242 | 212 | 454 | 6.0 |
| Bay | 78,435 | 3,413 | 1,922 | 5,335 | 6.8 |
| Bradford | 9,605 | 510 | 478 | 988 | 10.3 |
| Brevard | 222,072 | 2,625 | 2,795 | 5,420 | 2.4 |
| Broward | 741,043 | 12,615 | 7,762 | 20,377 | 2.7 |
| Calhoun | 5,250 | 265 | 330 | 595 | 11.3 |
| Charlotte | 79,758 | 474 | 662 | 1,136 | 1.4 |
| Citrus | 62,204 | 543 | 521 | 1,064 | 1.7 |
| Clay | 53,748 | 907 | 683 | 1,590 | 3.0 |
| Collier | 144,536 | 499 | 630 | 1,129 | 0.8 |
| Columbia | 23,579 | 1,001 | 844 | 1,845 | 7.8 |
| Miami-Dade | 852,278 | 56,783 | 35,431 | 92,214 | 10.8 |
| DeSoto | 13,608 | 277 | 646 | 923 | 6.8 |
| Dixie | 7,362 | 184 | 165 | 349 | 4.7 |
| Duval | 329,778 | 22,768 | 17,681 | 40,449 | 12.3 |
| Escambia | 124,647 | 6,789 | 6,393 | 13,182 | 10.6 |
| Flagler | 24,452 | 195 | 139 | 334 | 1.4 |
| Franklin | 7,180 | 637 | 457 | 1,094 | 15.2 |
| Gadsden | 17,703 | 973 | 1,240 | 2,213 | 12.5 |
| Gilchrist | 5,906 | 135 | 199 | 334 | 5.7 |
| Glades | 5,790 | 48 | 154 | 202 | 3.5 |
| Gulf | 7,587 | 411 | 320 | 731 | 9.6 |
| Hamilton | 4,966 | 287 | 357 | 644 | 13.0 |
| Hardee | 9,820 | 459 | 773 | 1,232 | 12.5 |
| Hendry | 12,294 | 331 | 277 | 608 | 4.9 |
| Hernando | 62,727 | 481 | 444 | 925 | 1.5 |
| Highlands | 48,846 | 1,125 | 1,063 | 2,188 | 4.5 |
| Hillsborough | 425,962 | 16,273 | 18,266 | 34,539 | 8.1 |
| Holmes | 7,998 | 476 | 573 | 1,049 | 13.1 |
| Indian River | 57,902 | 1,034 | 1,151 | 2,185 | 3.8 |
| Jackson | 19,490 | 1,197 | 1,703 | 2,900 | 14.9 |
| Jefferson | 5,251 | 289 | 500 | 789 | 15.0 |
| Lafayette | 2,660 | 140 | 139 | 279 | 10.5 |
| Lake | 102,830 | 2,581 | 3,447 | 6,028 | 5.9 |
| Lee | 245,405 | 2,355 | 2,654 | 5,009 | 2.0 |
| Leon | 103,974 | 2,812 | 2,277 | 5,089 | 4.9 |
| Levy | 16,570 | 353 | 526 | 879 | 5.3 |
| Liberty | 3,156 | 136 | 110 | 246 | 7.8 |
| Madison | 7,836 | 374 | 705 | 1,079 | 13.8 |
| Manatee | 138,128 | 3,001 | 4,455 | 7,456 | 5.4 |
| Marion | 122,663 | 1,859 | 2,425 | 4,284 | 3.5 |
| Martin | 65,471 | 699 | 1,033 | 1,732 | 2.6 |
| Monroe | 51,617 | 1,649 | 3,199 | 4,848 | 9.4 |
| Nassau | 25,917 | 680 | 924 | 1,604 | 6.2 |
| Okaloosa | 78,593 | 1,771 | 884 | 2,655 | 3.4 |
| Okeechobee | 15,504 | 190 | 253 | 443 | 2.9 |
| Orange | 361,349 | 10,043 | 8,766 | 18,809 | 5.2 |
| Osceola | 72,293 | 1,103 | 1,673 | 2,776 | 3.8 |
| Palm Beach | 556,428 | 9,642 | 11,315 | 20,957 | 3.8 |
| Pasco | 173,717 | 2,166 | 2,123 | 4,289 | 2.5 |
| Pinellas | 481,573 | 18,382 | 19,753 | 38,135 | 7.9 |
| Polk | 226,376 | 7,669 | 9,573 | 17,242 | 7.6 |
| Putnam | 33,870 | 1,064 | 1,451 | 2,515 | 7.4 |
| St. Johns | 58,008 | 1,278 | 3,043 | 4,321 | 7.4 |
| St. Lucie | 91,262 | 1,394 | 1,236 | 2,630 | 2.9 |
| Santa Rosa | 49,119 | 968 | 947 | 1,915 | 3.9 |
| Sarasota | 182,467 | 3,579 | 3,604 | 7,183 | 3.9 |
| Seminole | 147,079 | 1,820 | 2,519 | 4,339 | 3.0 |
| Sumter | 25,195 | 510 | 813 | 1,323 | 5.3 |
| Suwannee | 15,679 | 558 | 803 | 1,361 | 8.7 |
| Taylor | 9,646 | 470 | 597 | 1,067 | 11.1 |
| Union | 3,736 | 97 | 178 | 275 | 7.4 |
| Volusia | 211,938 | 6,645 | 7,665 | 14,310 | 6.8 |
| Wakulla | 9,820 | 260 | 191 | 451 | 4.6 |
| Walton | 29,083 | 675 | 869 | 1,544 | 5.3 |
| Washington | 9,503 | 449 | 607 | 1,056 | 11.1 |
| Data Source: 2000 US Census | |||||