Ranking of US Counties By Immigrant or Foreign-Born Population in 2021 (ACS-5Yrs)
Updated on February 24, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Los Angeles, CA had the highest immigrant or foreign-born population (3.35M), followed by Miami-Dade, FL (1.45M), and Harris, TX (1.23M).
The chart below shows the top 10 counties, and the table below shows the top 200 counties.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of US Counties By Immigrant or Foreign-Born Population in 2021
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| Rank | County | Immigrant Population |
|---|---|---|
| 1 | Los Angeles, CA | 3353972 |
| 2 | Miami-Dade, FL | 1452504 |
| 3 | Harris, TX | 1229583 |
| 4 | Queens, NY | 1124088 |
| 5 | Cook, IL | 1102013 |
| 6 | Kings, NY | 957528 |
| 7 | Orange, CA | 937214 |
| 8 | Santa Clara, CA | 771644 |
| 9 | San Diego, CA | 749110 |
| 10 | Broward, FL | 673696 |
| 11 | Dallas, TX | 639150 |
| 12 | Maricopa, AZ | 632838 |
| 13 | Alameda, CA | 551151 |
| 14 | King, WA | 541393 |
| 15 | Riverside, CA | 518941 |
| 16 | Bronx, NY | 502165 |
| 17 | Clark, NV | 491222 |
| 18 | New York, NY | 466135 |
| 19 | San Bernardino, CA | 448440 |
| 20 | Palm Beach, FL | 390262 |
| 21 | Middlesex, MA | 355581 |
| 22 | Fairfax, VA | 351471 |
| 23 | Montgomery, MD | 340873 |
| 24 | Tarrant, TX | 340187 |
| 25 | Sacramento, CA | 330496 |
| 26 | Orange, FL | 314755 |
| 27 | Nassau, NY | 311407 |
| 28 | Hudson, NJ | 306223 |
| 29 | San Francisco, CA | 295398 |
| 30 | Bergen, NJ | 294232 |
| 31 | Contra Costa, CA | 289971 |
| 32 | Middlesex, NJ | 286806 |
| 33 | San Mateo, CA | 267704 |
| 34 | Hillsborough, FL | 263788 |
| 35 | Bexar, TX | 261127 |
| 36 | Westchester, NY | 253071 |
| 37 | Essex, NJ | 245086 |
| 38 | Gwinnett, GA | 245051 |
| 39 | Suffolk, MA | 236295 |
| 40 | Fort Bend, TX | 235988 |
| 41 | Suffolk, NY | 235966 |
| 42 | Philadelphia, PA | 228809 |
| 43 | Collin, TX | 226811 |
| 44 | Hidalgo, TX | 225858 |
| 45 | Prince George's, MD | 224057 |
| 46 | Travis, TX | 220804 |
| 47 | Fairfield, CT | 213548 |
| 48 | El Paso, TX | 203010 |
| 49 | Fresno, CA | 199858 |
| 50 | Honolulu, HI | 197521 |
| 51 | DuPage, IL | 182700 |
| 52 | San Joaquin, CA | 179920 |
| 53 | Ventura, CA | 178462 |
| 54 | Kern, CA | 177999 |
| 55 | Union, NJ | 176059 |
| 56 | Mecklenburg, NC | 175619 |
| 57 | Hennepin, MN | 175190 |
| 58 | Wayne, MI | 167958 |
| 59 | Passaic, NJ | 167485 |
| 60 | Oakland, MI | 165547 |
| 61 | Franklin, OH | 151435 |
| 62 | Salt Lake, UT | 151304 |
| 63 | Wake, NC | 150006 |
| 64 | Essex, MA | 144366 |
| 65 | Snohomish, WA | 141356 |
| 66 | Fulton, GA | 141264 |
| 67 | Denton, TX | 140598 |
| 68 | Hartford, CT | 138491 |
| 69 | Norfolk, MA | 138035 |
| 70 | Lake, IL | 133276 |
| 71 | Lee, FL | 128867 |
| 72 | Monterey, CA | 127488 |
| 73 | Providence, RI | 127376 |
| 74 | Pima, AZ | 126417 |
| 75 | DeKalb, GA | 122860 |
| 76 | Prince William, VA | 122179 |
| 77 | Cobb, GA | 120511 |
| 78 | Richmond, NY | 119539 |
| 79 | Pinellas, FL | 116875 |
| 80 | New Haven, CT | 115694 |
| 81 | Duval, FL | 115145 |
| 82 | Worcester, MA | 111477 |
| 83 | Stanislaus, CA | 110931 |
| 84 | Multnomah, OR | 109476 |
| 85 | Washington, OR | 107014 |
| 86 | Loudoun, VA | 105420 |
| 87 | Baltimore, MD | 104818 |
| 88 | Tulare, CA | 102060 |
| 89 | Arapahoe, CO | 101487 |
| 90 | Macomb, MI | 101364 |
| 91 | Denver, CO | 100629 |
| 92 | Santa Barbara, CA | 100250 |
| 93 | Morris, NJ | 99149 |
| 94 | Marion, IN | 95908 |
| 95 | Cameron, TX | 95710 |
| 96 | Collier, FL | 95542 |
| 97 | Cuyahoga, OH | 95371 |
| 98 | Davidson, TN | 95064 |
| 99 | Montgomery, PA | 93829 |
| 100 | Pierce, WA | 92764 |
| 101 | Somerset, NJ | 91276 |
| 102 | Mercer, NJ | 90967 |
| 103 | Solano, CA | 89017 |
| 104 | Kane, IL | 88632 |
| 105 | Milwaukee, WI | 86853 |
| 106 | Ramsey, MN | 86596 |
| 107 | Osceola, FL | 86591 |
| 108 | Will, IL | 86042 |
| 109 | Monmouth, NJ | 84414 |
| 110 | Montgomery, TX | 84153 |
| 111 | Williamson, TX | 80693 |
| 112 | Oklahoma, OK | 80611 |
| 113 | Sonoma, CA | 80398 |
| 114 | Adams, CO | 77446 |
| 115 | Allegheny, PA | 76384 |
| 116 | Bristol, MA | 76277 |
| 117 | St. Louis, MO | 76274 |
| 118 | Polk, FL | 74102 |
| 119 | Merced, CA | 72635 |
| 120 | Rockland, NY | 70657 |
| 121 | Howard, MD | 70435 |
| 122 | Erie, NY | 68844 |
| 123 | Seminole, FL | 68827 |
| 124 | Bernalillo, NM | 68509 |
| 125 | Washoe, NV | 67615 |
| 126 | Webb, TX | 67208 |
| 127 | Jefferson, KY | 66306 |
| 128 | New Castle, DE | 66192 |
| 129 | Monroe, NY | 64237 |
| 130 | Bucks, PA | 63664 |
| 131 | Shelby, TN | 61827 |
| 132 | Delaware, PA | 61813 |
| 133 | Camden, NJ | 59298 |
| 134 | Tulsa, OK | 59188 |
| 135 | Pasco, FL | 58768 |
| 136 | Guilford, NC | 58035 |
| 137 | Douglas, NE | 57906 |
| 138 | Jefferson, LA | 57470 |
| 139 | St. Lucie, FL | 54326 |
| 140 | Johnson, KS | 54261 |
| 141 | Kent, MI | 54255 |
| 142 | Plymouth, MA | 54014 |
| 143 | Imperial, CA | 53889 |
| 144 | Clark, WA | 53626 |
| 145 | Arlington, VA | 53019 |
| 146 | Brevard, FL | 52838 |
| 147 | Manatee, FL | 52066 |
| 148 | Anne Arundel, MD | 51772 |
| 149 | Yuma, AZ | 51739 |
| 150 | Chester, PA | 50710 |
| 151 | Sarasota, FL | 50465 |
| 152 | Brazoria, TX | 49860 |
| 153 | El Paso, CO | 49374 |
| 154 | Ocean, NJ | 48916 |
| 155 | Marin, CA | 48530 |
| 156 | Santa Cruz, CA | 48513 |
| 157 | Hamilton, OH | 48497 |
| 158 | Yolo, CA | 48433 |
| 159 | Dane, WI | 48357 |
| 160 | Baltimore city, MD | 48142 |
| 161 | Yakima, WA | 47661 |
| 162 | Burlington, NJ | 47442 |
| 163 | Utah, UT | 47166 |
| 164 | Forsyth, GA | 46978 |
| 165 | Placer, CA | 46938 |
| 166 | Lehigh, PA | 46815 |
| 167 | Washtenaw, MI | 46702 |
| 168 | Orange, NY | 46634 |
| 169 | Polk, IA | 46131 |
| 170 | Durham, NC | 45816 |
| 171 | Greenville, SC | 44965 |
| 172 | Henrico, VA | 44368 |
| 173 | Volusia, FL | 44118 |
| 174 | Marion, OR | 43599 |
| 175 | Sedgwick, KS | 43592 |
| 176 | Atlantic, NJ | 43455 |
| 177 | Hampden, MA | 42791 |
| 178 | Virginia Beach city, VA | 42385 |
| 179 | Jackson, MO | 42306 |
| 180 | Dakota, MN | 42249 |
| 181 | Hillsborough, NH | 41950 |
| 182 | Alexandria city, VA | 40469 |
| 183 | Lake, FL | 38741 |
| 184 | Pinal, AZ | 38422 |
| 185 | Clayton, GA | 37692 |
| 186 | Onondaga, NY | 36983 |
| 187 | Jefferson, CO | 36353 |
| 188 | Clackamas, OR | 35710 |
| 189 | Albany, NY | 35704 |
| 190 | Doña Ana, NM | 34850 |
| 191 | Lake, IN | 34418 |
| 192 | Galveston, TX | 34278 |
| 193 | Berks, PA | 33509 |
| 194 | Benton, AR | 33203 |
| 195 | Dutchess, NY | 33170 |
| 196 | Forsyth, NC | 32998 |
| 197 | Anoka, MN | 32592 |
| 198 | Boulder, CO | 32536 |
| 199 | Hall, GA | 32529 |
| 200 | Fayette, KY | 32317 |
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