Educational Attainment | | Number | Percent | | Population 25 years and older | 549,210 | 100% | Less than 9th grade
| 41,915 | 8%
| 9th to 12th grade, no diploma
| 37,467 | 7%
| High school graduate (including equivalency)
| 80,596
| 15%
| Some college, no degree
| 111,042 | 20% | Associate degree
| 34,622 | 6% | Bachelor's degree
| 160,663 | 29% | Graduate or professional degree
| 82,905
| 15%
| Percent high school graduate or higher
| | 86%
| Percent bachelor's degree or higher
| | 44%
|
Source: U.S. Census Bureau, 2004 American Community Survey. Available at http://factfinder.census.gov
Literacy Rates Estimated population aged 16 and over: 451, 406 Percent at Level 1: 16% Percent at Level 1 or Level 2: 38% Source: Synthetic Estimates of Literacy, developed by Stephen Reder. Based on 1990 census. Available at http://www.casas.org/lit/litcode/Search.cfm English Language Proficiency Language Spoken at Home | | Number | Percent
| Population 5 years old and older
| 777,406 | 100%
| English only
| 546,920
| 70%
| Language other than English
| 230,486
| 30%
| Speak English less than "very well"
| 105,760
| 14% |
Source: U.S. Census Bureau, 2004 American Community Survey. Available at http://factfinder.census.gov
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