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Costilla County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 3,578
| Costilla County | % | Colorado | U.S. | |
| English | 662 | 47.42%, see rank | 82.34% | 79.39% |
| Spanish | 669 | 47.92%, see rank | 11.41% | 11.75% |
| Other Indo-European Languages | 45 | 3.22%, see rank | 3.32% | 4.52% |
| Asian and Pacific Islander Languages | 7 | 0.50%, see rank | 2.07% | 3.36% |
| Other | 13 | 0.93%, see rank | 0.86% | 0.99% |
ACS 2008-2012 data
Total population: 3,556
| Costilla County | % | Colorado | U.S. | |
| English | 591 | 41.68%, see rank | 82.20% | 79.64% |
| Spanish | 750 | 52.89%, see rank | 11.51% | 11.57% |
| Other Indo-European Languages | 68 | 4.80%, see rank | 3.40% | 4.61% |
| Asian and Pacific Islander Languages | 9 | 0.63%, see rank | 2.04% | 3.24% |
| Other | 0 | 0.00%, see rank | 0.85% | 0.94% |
ACS 2006-2010 data
Total population: 3,536
| Costilla County | % | Colorado | U.S. | |
| English | 607 | 41.75%, see rank | 82.06% | 79.95% |
| Spanish | 795 | 54.68%, see rank | 11.68% | 11.42% |
| Other Indo-European Languages | 39 | 2.68%, see rank | 3.39% | 4.60% |
| Asian and Pacific Islander Languages | 13 | 0.89%, see rank | 2.10% | 3.14% |
| Other | 0 | 0.00%, see rank | 0.77% | 0.89% |
ACS 2005-2009 data
Total population: 3,282
| Costilla County | % | Colorado | U.S. | |
| English | 541 | 41.42%, see rank | 82.13% | 80.35% |
| Spanish | 748 | 57.27%, see rank | 11.74% | 11.21% |
| Other Indo-European Languages | 8 | 0.61%, see rank | 3.46% | 4.62% |
| Asian and Pacific Islander Languages | 9 | 0.69%, see rank | 1.93% | 2.95% |
| Other | 0 | 0.00%, see rank | 0.74% | 0.87% |
US Census 2000 data
Total population: 3,663
| Costilla County | % | Colorado | U.S. | |
| English | 465 | 31.08%, see rank | 82.46% | 81.14% |
| Spanish | 970 | 64.84%, see rank | 11.31% | 10.21% |
| Other Indo-European Languages | 32 | 2.14%, see rank | 3.94% | 5.22% |
| Asian and Pacific Islander Languages | 19 | 1.27%, see rank | 1.71% | 2.61% |
| Other | 10 | 0.67%, see rank | 0.58% | 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.