Ranking of US Counties By the Percentage of the Population that were Immigrants or Foreign-Born in 2021 (ACS-5Yrs)

Updated on February 24, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Miami-Dade, FL had the highest percentage of its population being immigrants or foreign-born (53.99%), followed by Queens, NY (46.97%), and Aleutians West, AK (45.31%).

The chart below shows the top 10 counties, and the table below shows the top 200 counties.

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Ranking of US Counties By Immigrant Population in 2021

Related Topics: US Census 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Ranking of US Counties By the Percentage of the Population that were Immigrants or Foreign-Born in 2021

Miami-Dade, FL

Queens, NY

Aleutians West, AK

Presidio, TX

Hudson, NJ

Hudspeth, TX

Santa Clara, CA

Manassas Park city, VA

Kings, NY

San Mateo, CA

Ranking of US Counties By the Percentage of the Population that were Immigrants or Foreign-Born in 2021

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Rank	County	Perc. of County Population
1	Miami-Dade, FL	53.99
2	Queens, NY	46.97
3	Aleutians West, AK	45.31
4	Presidio, TX	43.02
5	Hudson, NJ	42.93
6	Hudspeth, TX	42.60
7	Santa Clara, CA	39.94
8	Manassas Park city, VA	37.87
9	Kings, NY	35.30
10	San Mateo, CA	35.11
11	Broward, FL	34.82
12	Colfax, NE	34.55
13	Bronx, NY	34.20
14	San Francisco, CA	34.11
15	Los Angeles, CA	33.47
16	Middlesex, NJ	33.40
17	Alameda, CA	32.94
18	Santa Cruz, AZ	32.65
19	Montgomery, MD	32.24
20	Passaic, NJ	32.14
21	Bergen, NJ	30.88
22	Union, NJ	30.78
23	Fairfax, VA	30.65
24	Imperial, CA	29.93
25	Suffolk, MA	29.81
26	Maverick, TX	29.49
27	Orange, CA	29.45
28	Fort Bend, TX	29.26
29	Fairfax city, VA	29.07
30	Monterey, CA	29.04
31	Seward, KS	28.95
32	Essex, NJ	28.74
33	Dallam, TX	28.19
34	New York, NY	27.93
35	Ochiltree, TX	27.69
36	Stewart, GA	27.55
37	Manassas city, VA	27.44
38	Gaines, TX	27.00
39	Colusa, CA	26.69
40	Starr, TX	26.64
41	Somerset, NJ	26.54
42	Garza, TX	26.51
43	Hendry, FL	26.42
44	Palm Beach, FL	26.35
45	Harris, TX	26.17
46	Hidalgo, TX	26.09
47	Merced, CA	26.02
48	Moore, TX	25.95
49	Gwinnett, GA	25.84
50	Collier, FL	25.63
51	Prince William, VA	25.60
52	Texas, OK	25.59
53	Alexandria city, VA	25.58
54	Yuma, AZ	25.49
54	Loudoun, VA	25.49
55	Kenedy, TX	25.44
56	Westchester, NY	25.31
57	Webb, TX	25.18
58	Contra Costa, CA	24.96
59	Aleutians East, AK	24.70
60	Dallas, TX	24.54
61	Richmond, NY	24.24
62	King, WA	24.16
63	Parmer, TX	24.09
64	Crane, TX	24.00
65	Adams, WA	23.92
66	Ford, KS	23.89
67	Clark, ID	23.84
68	Mercer, NJ	23.63
69	El Paso, TX	23.59
70	Prince George's, MD	23.39
71	San Joaquin, CA	23.32
72	Dakota, NE	22.88
73	Glasscock, TX	22.85
74	Osceola, FL	22.77
75	Cameron, TX	22.76
76	San Diego, CA	22.73
77	Arlington, VA	22.49
78	Santa Barbara, CA	22.40
79	Nassau, NY	22.38
80	Sherman, TX	22.36
81	Yolo, CA	22.35
82	Fairfield, CT	22.33
83	Orange, FL	22.32
84	Finney, KS	22.26
85	Franklin, WA	22.24
86	Val Verde, TX	22.20
87	Clark, NV	22.02
88	Haskell, KS	21.98
89	Dawson, NE	21.96
90	Bailey, TX	21.91
91	Middlesex, MA	21.90
92	Sutter, CA	21.83
93	Collin, TX	21.81
94	Tulare, CA	21.67
95	Riverside, CA	21.54
96	Napa, CA	21.49
97	Howard, MD	21.39
98	Ventura, CA	21.11
98	Zapata, TX	21.11
99	Sacramento, CA	21.03
100	Rockland, NY	21.00
101	Cook, IL	20.93
102	San Bernardino, CA	20.66
103	Nobles, MN	20.61
104	Buena Vista, IA	20.59
105	Grant, KS	20.54
106	Stanislaus, CA	20.14
107	Yoakum, TX	20.01
108	San Benito, CA	19.98
109	Madera, CA	19.94
110	Fresno, CA	19.92
111	Solano, CA	19.72
112	Kern, CA	19.65
113	DuPage, IL	19.56
114	Titus, TX	19.53
115	Morris, NJ	19.50
116	Honolulu, HI	19.46
117	Hansford, TX	19.43
118	Providence, RI	19.40
119	Norfolk, MA	19.16
120	Kings, CA	19.12
120	Monroe, FL	19.12
120	Forsyth, GA	19.12
121	Kodiak Island, AK	18.86
122	Yakima, WA	18.68
123	Lake, IL	18.65
124	Marin, CA	18.50
125	Whitfield, GA	18.37
126	Frio, TX	18.27
127	Hillsborough, FL	18.26
128	Reeves, TX	18.03
129	Essex, MA	17.94
130	Washington, OR	17.93
131	Morrow, OR	17.86
132	Maui, HI	17.84
133	Santa Cruz, CA	17.83
134	Castro, TX	17.80
135	Hamilton, KS	17.65
136	Jerome, ID	17.62
137	Lea, NM	17.49
138	Travis, TX	17.42
139	Snohomish, WA	17.24
140	Lee, FL	17.13
141	Kane, IL	17.09
142	Sevier, AR	17.00
142	Luna, NM	17.00
143	Crawford, IA	16.93
144	Mono, CA	16.82
145	Blaine, ID	16.80
146	St. Lucie, FL	16.74
147	Grant, WA	16.62
148	Petersburg, AK	16.42
149	Sonoma, CA	16.33
149	Cochran, TX	16.33
150	Deaf Smith, TX	16.29
151	Tarrant, TX	16.26
152	Lincoln, ID	16.22
153	DeKalb, GA	16.20
153	Wyandotte, KS	16.20
153	Hemphill, TX	16.20
154	Hall, GA	16.13
155	Kauai, HI	16.06
156	Glenn, CA	16.05
157	Doña Ana, NM	15.98
158	Andrews, TX	15.96
159	Mecklenburg, NC	15.95
160	Falls Church city, VA	15.91
161	Denton, TX	15.89
162	Atlantic, NJ	15.87
163	Cobb, GA	15.81
164	Harrisonburg city, VA	15.80
165	Ramsey, MN	15.76
166	Potter, TX	15.64
167	Hood River, OR	15.63
168	Ector, TX	15.61
169	Arapahoe, CO	15.58
170	Suffolk, NY	15.49
171	Winkler, TX	15.48
172	Douglas, WA	15.43
173	Hartford, CT	15.41
174	Eagle, CO	15.34
175	Saline, NE	15.29
176	Adams, CO	15.04
177	King, TX	14.85
178	Seminole, FL	14.73
179	Nantucket, MA	14.60
180	Maricopa, AZ	14.49
181	Hall, NE	14.39
182	Philadelphia, PA	14.33
183	Durham, NC	14.31
184	Reagan, TX	14.30
185	Garfield, CO	14.29
186	Denver, CO	14.24
187	Power, ID	14.18
188	Culberson, TX	14.17
189	Lipscomb, TX	14.12
190	Washoe, NV	14.09
191	Minidoka, ID	14.08
192	Putnam, NY	13.86