| Statistic | San Marco | Jacksonville | Florida |
| Population | 2,393 | 902,488 | 21,477,737 |
| Population density (sq mi) | 1,103 | 1,208 | 410 |
| Median age | 42.4 | 35.9 | 41.6 |
| Male/Female ratio | 0.9:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 49% | 54% |
| Families w/ Kids under 18 | 49% | 42% | 38% |
| Speak English | n/a | 85% | 72% |
| Speak Spanish | n/a | 7% | 21% |
| Race | San Marco | Jacksonville | Florida |
| White | 73.53% | 56.28% | 75.90% |
| Black | 16.67% | 30.88% | 16.14% |
| Asian | 6.63% | 4.83% | 2.61% |
| American Indian | 0.00% | 0.21% | 0.27% |
| Native Hawaiian | 0.00% | 0.07% | 0.06% |
| Mixed race | 3.01% | 5.15% | 2.48% |
| Other race | 0.16% | 2.57% | 2.54% |
Here are the best places to live in Florida
Check out the 10 most dangerous cities in Florida
Most Dangerous Cities In The US
See the best places to live in Jacksonville