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San Diego County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 3,183,143
| San Diego County | % | California | U.S. | |
| English | 687,150 | 63.40%, see rank | 57.63% | 79.39% |
| Spanish | 240,197 | 22.16%, see rank | 25.11% | 11.75% |
| Other Indo-European Languages | 46,718 | 4.31%, see rank | 5.77% | 4.52% |
| Asian and Pacific Islander Languages | 92,918 | 8.57%, see rank | 10.40% | 3.36% |
| Other | 16,828 | 1.55%, see rank | 1.09% | 0.99% |
ACS 2008-2012 data
Total population: 3,100,500
| San Diego County | % | California | U.S. | |
| English | 682,402 | 63.93%, see rank | 58.28% | 79.64% |
| Spanish | 233,848 | 21.91%, see rank | 24.75% | 11.57% |
| Other Indo-European Languages | 46,721 | 4.38%, see rank | 5.78% | 4.61% |
| Asian and Pacific Islander Languages | 89,121 | 8.35%, see rank | 10.14% | 3.24% |
| Other | 15,370 | 1.44%, see rank | 1.05% | 0.94% |
ACS 2006-2010 data
Total population: 3,022,468
| San Diego County | % | California | U.S. | |
| English | 685,639 | 64.57%, see rank | 58.93% | 79.95% |
| Spanish | 231,370 | 21.79%, see rank | 24.56% | 11.42% |
| Other Indo-European Languages | 45,371 | 4.27%, see rank | 5.64% | 4.60% |
| Asian and Pacific Islander Languages | 86,588 | 8.15%, see rank | 9.86% | 3.14% |
| Other | 12,821 | 1.21%, see rank | 1.01% | 0.89% |
ACS 2005-2009 data
Total population: 2,987,543
| San Diego County | % | California | U.S. | |
| English | 683,068 | 65.35%, see rank | 59.60% | 80.35% |
| Spanish | 224,214 | 21.45%, see rank | 24.44% | 11.21% |
| Other Indo-European Languages | 46,094 | 4.41%, see rank | 5.62% | 4.62% |
| Asian and Pacific Islander Languages | 80,876 | 7.74%, see rank | 9.34% | 2.95% |
| Other | 11,007 | 1.05%, see rank | 1.00% | 0.87% |
US Census 2000 data
Total population: 2,813,833
| San Diego County | % | California | U.S. | |
| English | 667,233 | 67.03%, see rank | 62.22% | 81.14% |
| Spanish | 199,635 | 20.05%, see rank | 22.40% | 10.21% |
| Other Indo-European Languages | 45,688 | 4.59%, see rank | 5.84% | 5.22% |
| Asian and Pacific Islander Languages | 72,799 | 7.31%, see rank | 8.55% | 2.61% |
| Other | 10,137 | 1.02%, see rank | 0.99% | 0.82% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.