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 |