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Yellowstone County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 151,965
| Yellowstone County | % | Montana | U.S. | |
| English | 58,164 | 94.75%, see rank | 94.20% | 79.39% |
| Spanish | 1,467 | 2.39%, see rank | 2.21% | 11.75% |
| Other Indo-European Languages | 1,061 | 1.73%, see rank | 2.01% | 4.52% |
| Asian and Pacific Islander Languages | 274 | 0.45%, see rank | 0.61% | 3.36% |
| Other | 419 | 0.68%, see rank | 0.97% | 0.99% |
ACS 2008-2012 data
Total population: 148,191
| Yellowstone County | % | Montana | U.S. | |
| English | 56,975 | 93.85%, see rank | 93.70% | 79.64% |
| Spanish | 1,703 | 2.81%, see rank | 2.32% | 11.57% |
| Other Indo-European Languages | 1,220 | 2.01%, see rank | 2.32% | 4.61% |
| Asian and Pacific Islander Languages | 316 | 0.52%, see rank | 0.57% | 3.24% |
| Other | 492 | 0.81%, see rank | 1.10% | 0.94% |
ACS 2006-2010 data
Total population: 144,050
| Yellowstone County | % | Montana | U.S. | |
| English | 55,909 | 93.58%, see rank | 93.50% | 79.95% |
| Spanish | 1,671 | 2.80%, see rank | 2.28% | 11.42% |
| Other Indo-European Languages | 1,326 | 2.22%, see rank | 2.47% | 4.60% |
| Asian and Pacific Islander Languages | 364 | 0.61%, see rank | 0.56% | 3.14% |
| Other | 476 | 0.80%, see rank | 1.18% | 0.89% |
ACS 2005-2009 data
Total population: 140,436
| Yellowstone County | % | Montana | U.S. | |
| English | 51,975 | 92.70%, see rank | 93.33% | 80.35% |
| Spanish | 1,833 | 3.27%, see rank | 2.36% | 11.21% |
| Other Indo-European Languages | 1,339 | 2.39%, see rank | 2.58% | 4.62% |
| Asian and Pacific Islander Languages | 403 | 0.72%, see rank | 0.53% | 2.95% |
| Other | 515 | 0.92%, see rank | 1.20% | 0.87% |
US Census 2000 data
Total population: 129,352
| Yellowstone County | % | Montana | U.S. | |
| English | 47,803 | 91.73%, see rank | 92.04% | 81.14% |
| Spanish | 1,860 | 3.57%, see rank | 2.62% | 10.21% |
| Other Indo-European Languages | 1,648 | 3.16%, see rank | 3.33% | 5.22% |
| Asian and Pacific Islander Languages | 262 | 0.50%, see rank | 0.54% | 2.61% |
| Other | 540 | 1.04%, see rank | 1.48% | 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.