A total of 38 United States counties have a majority of residents who speak a language other than English at home, according to data from the Modern Language Association's MLA 's Data Map Center published in 2010 .[ 1] The following is a list of U.S. counties where English is a minority language .
Percentage of Americans aged 5+ speaking English at home in each Public Usage Microdata Area (PUMA) of the fifty states, the District of Columbia, and Puerto Rico according to the 2016 - 2021 five-year American Community Survey
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Apache
64,450
Navajo
55.85%
38.46%
[ 5]
Santa Cruz
42,975
Spanish
80.24%
18.93%
[ 6]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Imperial
154,538
Spanish
71.11%
26.95%
[ 7]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Costilla
3,424
Spanish
51.29%
47.25%
[ 8]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Miami-Dade
2,293,780
Spanish
63.77%
28.07%
[ 9]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Seward
20,164
Spanish
48.51%
48.26%
[ 10]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Doña Ana
186,160
Spanish
49.83%
48.19%
[ 11]
Guadalupe
4,564
Spanish
53.33%
43.82%
[ 12]
Mora
4,689
Spanish
61.06%
38.94%
[ 13]
Rio Arriba
37,384
Spanish
55.28%
37.36%
[ 14]
San Miguel
27,663
Spanish
57.35%
39.60%
[ 15]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Bronx
1,262,550
Spanish
46.29%
44.02%
[ 16]
County
Population (2010)
Largest language spoken at home
Percentage of largest language spoken at home
Percentage of homes where English was spoken
Source
Brooks
6,870
Spanish
65.52%
33.83%
[ 17]
Cameron
356,241
Spanish
72.87%
26.32%
[ 18]
Culberson
2,290
Spanish
66.20%
33.49%
[ 19]
Deaf Smith
17,220
Spanish
50.05%
48.59%
[ 20]
Dimmit
9,073
Spanish
68.11%
30.06%
[ 21]
Duval
11,143
Spanish
70.39%
29.27%
[ 22]
El Paso
706,977
Spanish
72.85%
25.16%
[ 23]
Frio
15,889
Spanish
63.57%
35.79%
[ 24]
Hidalgo
661,934
Spanish
83.79%
15.17%
[ 25]
Hudspeth
3,203
Spanish
76.49%
22.10%
[ 26]
Jim Hogg
4,760
Spanish
83.70%
15.44%
[ 27]
Jim Wells
37,304
Spanish
54.89%
44.42%
[ 28]
La Salle
6,108
Spanish
60.04%
38.92%
[ 29]
Maverick
47,790
Spanish
92.69%
6.16%
[ 30]
Pecos
14,251
Spanish
53.98%
45.14%
[ 31]
Presidio
7,078
Spanish
83.78%
15.40%
[ 32]
Reeves
12,375
Spanish
75.44%
23.72%
[ 33]
Starr
54,143
Spanish
95.74%
4.01%
[ 34]
Uvalde
24,220
Spanish
54.08%
45.21%
[ 35]
Val Verde
43,925
Spanish
71.79%
27.19%
[ 36]
Webb
215,143
Spanish
91.70%
7.59%
[ 37]
Zapata
12,173
Spanish
87.68%
12.31%
[ 38]
Zavala
10,620
Spanish
72.64%
27.36%
[ 39]