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RANKING · 2020 CENSUS · 110 SHOWN OF 110

Largest Japanese population, US counties · 2020

US counties ranked by the number of residents who are Japanese, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Franklin County, Ohio leads at 1,736. 110 counties qualify in total. Ohio carries 5 of the top 25 entries.

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SAME RANKING BYCitiesStatesMetros
RELATEDLargest Chinese populationHighest Chinese population shareLargest Taiwanese populationHighest Taiwanese population shareLargest Hmong populationHighest Hmong population share
YEAR20202024
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RANKPLACESTATEPOPJAPANESE POPULATIONVS 2000
01Franklin County, OHOH1,361,5361,736
02Summit County, OHOH538,3761,529
03Dauphin County, PAPA293,3511,253
04Arapahoe County, COCO673,8201,097
05DeKalb County, GAGA774,3941,061
06Monroe County, NYNY750,506937
07Mecklenburg County, NCNC1,233,383909
08Douglas County, NENE606,460831
09Ramsey County, MNMN541,623798
10Allegheny County, PAPA1,225,035720
11Chittenden County, VTVT169,115706
12Erie County, PAPA265,832627
13Polk County, IAIA516,546582
14Jefferson County, KYKY795,222539
15Lancaster County, PAPA563,159533
16Denver County, COCO740,613516
17Hillsborough County, NHNH433,415508
18Cuyahoga County, OHOH1,232,925489
19Licking County, OHOH185,564486
20Onondaga County, NYNY466,584482
21Fairfield County, OHOH169,752414
22Gwinnett County, GAGA1,018,099408
23Pima County, AZAZ1,074,685385
24Queens County, NYNY2,358,182371
25Dallas County, TXTX2,661,397361
26King County, WAWA2,344,939337
27Erie County, NYNY946,741324
28Hamilton County, OHOH838,418316
29Adams County, COCO554,668285
30Newport News, VAVA183,230268
31Minnehaha County, SDSD212,691241
32Philadelphia County, PAPA1,574,281228
33Salt Lake County, UTUT1,220,916224
34Maricopa County, AZAZ4,689,558217
35Grand Forks County, NDND74,501216
37Cass County, NDND201,794199
38Wyandotte County, KSKS170,597194
39Harris County, TXTX5,045,026192
40Multnomah County, OROR795,391189
41Contra Costa County, CACA1,170,070187
42Tarrant County, TXTX2,248,466187
43Bucks County, PAPA647,828185
44Washington County, PAPA210,802172
45Guilford County, NCNC562,234164
46Wake County, NCNC1,257,235161
47DuPage County, ILIL934,298158
48Charlottesville, VAVA44,388156
49Ada County, IDID546,141153
50Baltimore, MDMD569,997148
51Lackawanna County, PAPA216,502146
52Davidson County, TNTN745,904142
53Albemarle County, VAVA118,356139
54Taylor County, TXTX150,077121
55Snohomish County, WAWA870,656119
56Middlesex County, MAMA1,669,979118
57Lorain County, OHOH323,219117
58Washington County, MNMN286,895116
59Ingham County, MIMI289,709116
60Oneida County, NYNY226,392101
61Fayette County, KYKY329,75194
62Rockdale County, GAGA98,41692
63Henrico County, VAVA342,77572
64Westchester County, NYNY1,015,74369
65Lancaster County, NENE334,04968
66Honolulu County, HIHI988,70368
67Hampden County, MAMA464,33867
68Cobb County, GAGA793,34567
69Kent County, MIMI675,23263
70Providence County, RIRI678,17961
71Clark County, NVNV2,407,22659
72Sacramento County, CACA1,618,46058
73Worcester County, MAMA888,50256
74El Paso County, TXTX877,85854
75Paulding County, GAGA190,99653
76Montgomery County, PAPA877,64345
77Butler County, OHOH400,12839
78Merrimack County, NHNH158,07838
79Bergen County, NJNJ977,02638
80Gallatin County, MTMT128,74035
81Cumberland County, NCNC338,47334
82Cook County, ILIL5,194,62531
83Johnson County, KSKS636,90631
84Fairfax County, VAVA1,167,87329
85Berks County, PAPA440,07229
86Fredericksburg, VAVA30,39328
87Santa Barbara County, CACA442,06528
88Mercer County, NJNJ399,28926
90Essex County, MAMA826,65325
91Bronx County, NYNY1,406,33224
92Lehigh County, PAPA384,38323
93Forsyth County, NCNC401,71822
94Alameda County, CACA1,636,63020
95El Paso County, COCO757,04017
96Kane County, ILIL525,75715
97Muskegon County, MIMI177,90115
98Washoe County, NVNV509,38611
99Pueblo County, COCO169,27711
100Oakland County, MIMI1,288,33711
101Boulder County, COCO328,56010
102Monmouth County, NJNJ651,03510
103Collin County, TXTX1,297,1799
104Los Angeles County, CACA9,694,9348
105Nassau County, NYNY1,398,9397
106Fulton County, ILIL32,9017
107Jackson County, MOMO732,9946
108Mahoning County, OHOH224,7065
109Warren County, PAPA37,0385
110Pershing County, NVNV6,4211
SHOWING 1–110 OF 110
Download CSV (full list, 110 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest japanese population?

Franklin County, Ohio ranks #1 with 1,736 (2020 American Community Survey).

What are the top 5 counties by japanese population?

Franklin County, Ohio, Summit County, Ohio, Dauphin County, Pennsylvania, Arapahoe County, Colorado, DeKalb County, Georgia.

How many counties are in this ranking?

110 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.

How is japanese population measured?

Number of residents who are Japanese (Asian origin, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2020).