U.S. English Foundation Research
Many Languages, One America: Most Linguistically Diverse States
| Rank | Region | Languages |
| 1 | California view data sheet |
207 |
| 2 | New York view data sheet |
169 |
| 3 | Washington view data sheet |
163 |
| 4 | Texas view data sheet |
145 |
| 5 | Oregon view data sheet |
138 |
| 6 | Pennsylvania view data sheet |
135 |
| 7 | Florida view data sheet |
134 |
| 8 | Illinois view data sheet |
132 |
| 9 | New Jersey view data sheet |
130 |
| 10 | Arizona view data sheet |
129 |
| 11 | Michigan view data sheet |
125 |
| 12 | Minnesota view data sheet |
124 |
| 13 (tie) | Colorado view data sheet |
123 |
| 13 (tie) | Virginia view data sheet |
123 |
| 15 | North Carolina view data sheet |
122 |
| 16 | Oklahoma view data sheet |
120 |
| 17 (tie) | Georgia view data sheet |
118 |
| 17 (tie) | Massachusetts view data sheet |
118 |
| 19 (tie) | Maryland view data sheet |
117 |
| 19 (tie) | Wisconsin view data sheet |
117 |
| 21 | Ohio view data sheet |
116 |
| 22 | Missouri view data sheet |
114 |
| 23 | Tennessee view data sheet |
109 |
| 24 | Indiana view data sheet |
105 |
| 25 | Iowa view data sheet |
104 |
| 26 | Utah view data sheet |
103 |
| 27 | Nevada view data sheet |
99 |
| 28 | Kansas view data sheet |
97 |
| 29 (tie) | Connecticut view data sheet |
94 |
| 29 (tie) | New Mexico view data sheet |
94 |
| 31 | Louisiana view data sheet |
93 |
| 32 | Alabama view data sheet |
92 |
| 33 (tie) | Hawaii view data sheet |
91 |
| 33 (tie) | Kentucky view data sheet |
91 |
| 33 (tie) | South Carolina view data sheet |
91 |
| 36 | Alaska view data sheet |
90 |
| 37 | Nebraska view data sheet |
87 |
| 38 | Arkansas view data sheet |
83 |
| 39 | Idaho view data sheet |
82 |
| 40 | Montana view data sheet |
81 |
| 41 | District of Columbia view data sheet |
79 |
| 42 | New Hampshire view data sheet |
77 |
| 43 | Rhode Island view data sheet |
76 |
| 44 | Maine view data sheet |
74 |
| 45 (tie) | Mississippi view data sheet |
67 |
| 45 (tie) | West Virginia view data sheet |
67 |
| 47 (tie) | Delaware view data sheet |
66 |
| 47 (tie) | North Dakota view data sheet |
66 |
| 49 | Vermont view data sheet |
64 |
| 50 | South Dakota view data sheet |
62 |
| 51 | Wyoming view data sheet |
56 |
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The U.S. English Foundation offers access to free English language lessons via U.S.A. LEARNS, an educational resource for adult immigrants who want to learn or improve their English skills as they become part of American society.