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New Castle County Historical Language Spoken at Home Data
ACS 2010-2014 data
Total population: 545,846
| New Castle County | % | Delaware | U.S. | |
| English | 167,962 | 83.34%, see rank | 86.08% | 79.39% |
| Spanish | 15,694 | 7.79%, see rank | 6.80% | 11.75% |
| Other Indo-European Languages | 9,494 | 4.71%, see rank | 3.97% | 4.52% |
| Asian and Pacific Islander Languages | 5,919 | 2.94%, see rank | 2.25% | 3.36% |
| Other | 2,474 | 1.23%, see rank | 0.90% | 0.99% |
ACS 2008-2012 data
Total population: 539,665
| New Castle County | % | Delaware | U.S. | |
| English | 167,968 | 83.73%, see rank | 86.33% | 79.64% |
| Spanish | 15,039 | 7.50%, see rank | 6.61% | 11.57% |
| Other Indo-European Languages | 9,839 | 4.90%, see rank | 4.08% | 4.61% |
| Asian and Pacific Islander Languages | 5,585 | 2.78%, see rank | 2.14% | 3.24% |
| Other | 2,187 | 1.09%, see rank | 0.85% | 0.94% |
ACS 2006-2010 data
Total population: 533,514
| New Castle County | % | Delaware | U.S. | |
| English | 167,272 | 84.27%, see rank | 86.69% | 79.95% |
| Spanish | 14,503 | 7.31%, see rank | 6.44% | 11.42% |
| Other Indo-European Languages | 9,303 | 4.69%, see rank | 4.01% | 4.60% |
| Asian and Pacific Islander Languages | 5,090 | 2.56%, see rank | 1.96% | 3.14% |
| Other | 2,331 | 1.17%, see rank | 0.90% | 0.89% |
ACS 2005-2009 data
Total population: 527,774
| New Castle County | % | Delaware | U.S. | |
| English | 165,264 | 84.69%, see rank | 87.07% | 80.35% |
| Spanish | 13,577 | 6.96%, see rank | 6.03% | 11.21% |
| Other Indo-European Languages | 9,511 | 4.87%, see rank | 4.24% | 4.62% |
| Asian and Pacific Islander Languages | 4,424 | 2.27%, see rank | 1.75% | 2.95% |
| Other | 2,361 | 1.21%, see rank | 0.91% | 0.87% |
US Census 2000 data
Total population: 500,265
| New Castle County | % | Delaware | U.S. | |
| English | 163,832 | 86.70%, see rank | 88.06% | 81.14% |
| Spanish | 11,061 | 5.85%, see rank | 5.38% | 10.21% |
| Other Indo-European Languages | 9,452 | 5.00%, see rank | 4.56% | 5.22% |
| Asian and Pacific Islander Languages | 3,324 | 1.76%, see rank | 1.47% | 2.61% |
| Other | 1,305 | 0.69%, see rank | 0.53% | 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.