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US Counties With the Highest Foreign-born Population

2,452 US counties ranked by foreign-born population, from highest to lowest. First are Miami-Dade County, FL (543.33), Queens County, NY (475.68) and Aleutians West Census Area, AK (440.71). The middle one of the 2,452 has 36.56.

What this measures

The number of residents born outside the United States, whether or not they are citizens. Source: Census ACS 5-year.

This is a count, so it is ranked per 1,000 residents. Ranked by the raw total, it would just list the biggest counties.

For most measures, a national ranking mostly sorts places by income and by how urban they are. Each county’s own page compares it with the 50 counties most like it instead, which is often the fairer view.

The 100 highest counties

RankCountyPer 1,000 residents
1Miami-Dade County, FL543.33
2Queens County, NY475.68
3Aleutians West Census Area, AK440.71
4Hudson County, NJ425.78
5Santa Clara County, CA410.17
6Manassas Park city, VA366.31
7Broward County, FL361.99
8San Mateo County, CA355.76
9Kings County, NY352.44
10Middlesex County, NJ346.59
11San Francisco County, CA342.19
12Bronx County, NY342.06
13Alameda County, CA340.83
14Santa Cruz County, AZ340.52
15Los Angeles County, CA333.59
16Montgomery County, MD333.56
17Union County, NJ328.50
18Passaic County, NJ328.12
19Aleutians East Borough, AK323.69
20Manassas city, VA317.73
21Bergen County, NJ314.32
22Fairfax County, VA307.90
23Imperial County, CA307.61
24Maverick County, TX306.16
25Fairfax city, VA304.97
26Ochiltree County, TX303.29
27Fort Bend County, TX299.66
28Orange County, CA299.09
29Suffolk County, MA294.36
30Essex County, NJ293.18
31Colfax County, NE287.73
32Monterey County, CA287.59
33Seward County, KS286.88
34Hudspeth County, TX286.40
35Hendry County, FL282.51
36New York County, NY281.11
37Presidio County, TX280.32
38Moore County, TX277.48
39Colusa County, CA275.36
40Somerset County, NJ274.86
41Starr County, TX274.83
42Gwinnett County, GA273.84
43Palm Beach County, FL269.44
44Loudoun County, VA266.72
45Harris County, TX264.03
46Prince William County, VA261.89
47Contra Costa County, CA261.58
48Merced County, CA260.58
49Hidalgo County, TX260.36
50Dallam County, TX260.03
51Mercer County, NJ256.64
52Westchester County, NY256.15
53Webb County, TX253.39
54Richmond County, NY251.52
55Yuma County, AZ251.39
56King County, WA251.16
57Osceola County, FL250.40
58Prince George's County, MD248.87
59Stanton County, KS247.77
60Alexandria city, VA246.21
61Dallas County, TX246.07
62San Joaquin County, CA245.03
63Gaines County, TX242.79
64Collier County, FL241.71
65Texas County, OK238.84
66Haskell County, KS237.08
67Western Connecticut Planning Region, CT236.72
68Crane County, TX236.43
69Dakota County, NE236.28
70Parmer County, TX236.05
71Orange County, FL234.58
72El Paso County, TX231.23
73Adams County, WA231.17
74Finney County, KS230.91
75Grant County, KS230.09
76Zapata County, TX228.94
77Nassau County, NY228.80
78Yoakum County, TX227.17
79Cameron County, TX226.74
80Middlesex County, MA226.11
81Collin County, TX225.69
82San Diego County, CA224.89
83Hamilton County, KS224.55
84Greater Bridgeport Planning Region, CT224.43
85Dawson County, NE223.90
86Sutter County, CA223.50
87Howard County, MD221.65
88Napa County, CA221.30
89Santa Barbara County, CA221.06
90Nobles County, MN220.69
91Ford County, KS220.34
92Arlington County, VA219.50
93Ventura County, CA219.45
94Tulare County, CA218.61
95Rockland County, NY217.89
96Franklin County, WA217.41
97Clark County, NV217.08
98Yolo County, CA216.44
99Riverside County, CA216.27
100Buena Vista County, IA215.77

Every state, highest first

Each state’s own published figure, not an average of its counties.

RankStatePer 1,000 residents
1California267.06
2New Jersey235.44
3New York226.40
4Florida214.07
5Nevada189.54
6Hawaii180.63
7Massachusetts176.83
8Texas171.92
9Maryland162.83
10Connecticut154.28
11Washington151.23
12Rhode Island148.27
13Illinois144.48
14District of Columbia133.28
15Virginia129.39
16Arizona128.72
17Georgia108.34
18Delaware104.08
19Oregon96.91
20Colorado95.79
21New Mexico92.44
22North Carolina87.29
23Minnesota85.57
24Utah85.56
25Alaska77.84
26Nebraska77.03
27Pennsylvania74.02
28Kansas71.90
29Michigan70.38
30Oklahoma62.52
31New Hampshire62.04
32Indiana59.40
33Tennessee58.95
34Idaho57.35
35Iowa57.13
36South Carolina56.32
37Arkansas52.17
38Wisconsin50.88
39Ohio50.35
40Louisiana47.27
41North Dakota44.67
42Kentucky44.25
43Missouri43.76
44Vermont43.34
45South Dakota39.17
46Maine38.93
47Alabama38.00
48Wyoming35.12
49Puerto Rico27.23
50Mississippi23.91
51Montana22.92
52West Virginia17.10

More on foreign-born population

A ranking describes places, not the people in them, and a high or low place does not by itself say why. All US rankings.