| People MapStats | Nassau County | Florida |
| Population, 2006 estimate | 66,707 | 18,089,888 |
| Population, percent change, April 1, 2000 to July 1, 2006 | 15.7% | 13.2% |
| Population, net change, April 1, 2000 to July 1, 2006 | 9,044 | 2,107,064 |
| Population, 2000 | 57,663 | 15,982,378 |
| Persons under 5 years old, 2005 | 3,701 | 1,118,829 |
| Persons under 5 years old, percent, 2005 | 5.7% | 6.3% |
| Persons under 18 years old, 2005 | 14,890 | 4,067,877 |
| Persons under 18 years old, percent, 2005 | 23.0% | 22.9% |
| Persons 65 years old and over, percent, 2005 | 14.3% | 16.8% |
| Persons 65 years old and over, 2005 | 9,233 | 2,993,160 |
| Female persons, percent, 2005 | 50.6% | 51.0% |
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| White persons, 2005 (a) | 58,592 | 14,307,154 |
| Black persons, 2005 (a) | 4,850 | 2,799,489 |
| American Indian and Alaska Native persons, 2005 (a) | 285 | 76,405 |
| Asian persons, 2005 (a) | 444 | 371,895 |
| Native Hawaiian and Other Pacific Islander, 2005 (a) | 11 | 14,715 |
| Persons reporting two or more races, 2005 | 564 | 220,206 |
| Persons of Hispanic or Latino origin, 2005 (b) | 1,280 | 3,467,455 |
| White persons not Hispanic, 2005 | 57,393 | 11,052,321 |
| White persons, percent, 2005 (a) | 90.5% | 80.4% |
| Black persons, percent, 2005 (a) | 7.5% | 15.7% |
| American Indian and Alaska Native persons, percent, 2005 (a) | 0.4% | 0.4% |
| Asian persons, percent, 2005 (a) | 0.7% | 2.1% |
| Native Hawaiian and Other Pacific Islander, percent, 2005 (a) | 0.0% | 0.1% |
| Persons reporting two or more races, percent, 2005 | 0.9% | 1.2% |
| Persons of Hispanic or Latino origin, percent, 2005 (b) | 2.0% | 19.5% |
| White persons not Hispanic, percent, 2005 | 88.6% | 62.1% |
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| Births, 2004 | 706 | 218,053 |
| Deaths, 2004 | 604 | 169,008 |
| Infant deaths, 2004 | 1 | 1,537 |
| Living in same house in 1995 and 2000, pct 5 yrs old & over | 55.0% | 48.9% |
| Foreign born persons, percent, 2000 | 2.7% | 16.7% |
| Language other than English spoken at home, pct age 5+, 2000 | 3.9% | 23.1% |
| High school graduates, percent of persons age 25+, 2000 | 81.0% | 79.9% |
| Bachelor's degree or higher, pct of persons age 25+, 2000 | 18.9% | 22.3% |
| Persons with a disability, age 5+, 2000 | 10,462 | 3,274,566 |
| Mean travel time to work (minutes), workers age 16+, 2000 | 28.2 | 26.2 |
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| Housing units, 2005 | 30,294 | 8,256,847 |
| Housing units, net change, April 1, 2000 to July, 2005 | 4,377 | 953,739 |
| Housing units, percent change, April 1, 2000 to July, 2005 | 16.9% | 13.1% |
| Homeownership rate, 2000 | 80.6% | 70.1% |
| Median value of owner-occupied housing units, 2000 | $126,700 | $105,500 |
| Households, 2000 | 21,980 | 6,337,929 |
| Persons per household, 2000 | 2.59 | 2.46 |
| Median household income, 2004 | $50,301 | $40,900 |
| Persons below poverty, percent, 2004 | 8.3% | 11.9% |