RANKING · 2020 CENSUS · 207 SHOWN OF 207

Largest Mongolian population, US counties · 2020

US counties ranked by the number of residents who are Mongolian, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 3,111. 207 counties qualify in total. California carries 7 of the top 25 entries. The median across all 207 is 27.

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RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

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RANKPLACESTATEPOPMONGOLIAN POPULATIONVS –

USUnited States0.0% of US population331,449,28121,199–

01Cook County, ILIL5,194,6253,111–

02Los Angeles County, CACA9,694,9342,696–

03Alameda County, CACA1,636,630883–

04Arlington County, VAVA243,931806–

05Fairfax County, VAVA1,167,873793–

06King County, WAWA2,344,939719–

07Arapahoe County, COCO673,820609–

08San Francisco County, CACA826,079602–

09Santa Clara County, CACA1,914,391499–

10Snohomish County, WAWA870,656430–

11Sacramento County, CACA1,618,460392–

12Bay County, FLFL204,479316–

13DuPage County, ILIL934,298253–

14Kings County, NYNY2,653,963238–

15Philadelphia County, PAPA1,574,281237–

16Denver County, COCO740,613231–

17Orange County, CACA3,149,507229–

18Rock Island County, ILIL141,869228–

19Contra Costa County, CACA1,170,070226–

20Ocean County, NJNJ673,746220–

21Utah County, UTUT759,859213–

22Winnebago County, ILIL283,674212–

23St. Clair County, ILIL250,708203–

24Sedgwick County, KSKS538,433177–

25New York County, NYNY1,664,862175–

26Montgomery County, MDMD1,074,582156–

27Maricopa County, AZAZ4,689,558153–

28San Mateo County, CACA743,568151–

29Dane County, WIWI590,375144–

30Bexar County, TXTX2,160,088141–

31Douglas County, COCO399,396141–

32Will County, ILIL712,253136–

33Guilford County, NCNC562,234132–

34Thurston County, WAWA304,261119–

35Honolulu County, HIHI988,703115–

36Jefferson County, IAIA15,291113–

37Yolo County, CACA224,410111–

38Cumberland County, NCNC338,473104–

39Loudoun County, VAVA449,749103–

40Madison County, ALAL433,51689–

41St. Louis County, MOMO990,91189–

42Alexandria, VAVA160,66286–

43Howard County, MDMD339,18385–

44Clark County, NVNV2,407,22681–

45Monroe County, ININ143,34579–

46Pulaski County, ARAR404,61178–

47Monterey County, CACA433,72975–

48Bucks County, PAPA647,82875–

49Prince William County, VAVA502,96673–

50Spokane County, WAWA558,34473–

51Clark County, ININ130,45170–

52Norfolk County, MAMA739,74970–

53Queens County, NYNY2,358,18269–

54Worcester County, MAMA888,50265–

55Williamson County, TNTN272,06165–

56Dallas County, TXTX2,661,39764–

57Placer County, CACA442,08163–

58Lee County, FLFL875,60762–

59Miami-Dade County, FLFL2,802,02961–

60Champaign County, ILIL209,97259–

61Riverside County, CACA2,544,91658–

62San Bernardino County, CACA2,224,09158–

63Ouachita Parish, LALA158,54257–

64Maui County, HIHI160,59253–

65Bernalillo County, NMNM667,60152–

66Allegheny County, PAPA1,225,03552–

67Erie County, NYNY946,74151–

68Tulare County, CACA485,14650–

69Hidalgo County, TXTX921,54947–

70Washtenaw County, MIMI370,21446–

71Orange County, NCNC152,49846–

72Prince George's County, MDMD970,37446–

73Franklin County, OHOH1,361,53645–

74Marion County, ARAR17,59344–

75Bedford County, VAVA83,05944–

76Richmond County, NYNY501,29043–

77Mineral County, COCO91043–

78Wake County, NCNC1,257,23542–

79Shelby County, TNTN910,22642–

80Collin County, TXTX1,297,17942–

81Montgomery County, PAPA877,64341–

82Middlesex County, MAMA1,669,97940–

83York County, SCSC306,88740–

84Washoe County, NVNV509,38640–

85Centre County, PAPA157,39339–

86Sangamon County, ILIL194,17039–

87San Diego County, CACA3,282,24838–

88Clay County, MOMO265,03238–

89Madison County, ILIL263,11038–

90District of Columbia, DCDC693,64537–

91Cuyahoga County, OHOH1,232,92536–

92Spartanburg County, SCSC380,85735–

93Newport News, VAVA183,23033–

94Rockingham County, NHNH324,07732–

95Ventura County, CACA830,85132–

96Marin County, CACA253,69430–

97Fairfax, VAVA26,77230–

98Twin Falls County, IDID97,53930–

99Hennepin County, MNMN1,284,78430–

100Suffolk County, MAMA791,89128–

101Washington County, MNMN286,89528–

102Riley County, KSKS72,59828–

103Sanpete County, UTUT31,45328–

104Greenville County, SCSC583,12527–

105Columbia County, WIWI58,13227–

106Oklahoma County, OKOK822,12527–

107Bremer County, IAIA25,29627–

108Durham County, NCNC347,24027–

109Washington County, OROR611,70826–

110Fayette County, KYKY329,75125–

111Salt Lake County, UTUT1,220,91625–

112Orange County, NYNY417,66923–

113El Paso County, COCO757,04023–

114McLean County, ILIL171,41923–

115Story County, IAIA101,29123–

116Beltrami County, MNMN47,05522–

117Albany County, NYNY321,22521–

118Jefferson County, COCO580,45121–

119Lake County, ININ504,61221–

120Kane County, ILIL525,75720–

121Mesa County, COCO162,84520–

122Oakland County, MIMI1,288,33719–

123Deschutes County, OROR213,07219–

124Fort Bend County, TXTX975,19119–

125Boone County, ILIL53,56819–

126Teton County, WYWY23,33318–

127Bannock County, IDID91,59118–

128Multnomah County, OROR795,39117–

129Isabella County, MIMI64,69117–

130Travis County, TXTX1,389,67016–

131Roanoke County, VAVA97,15016–

132Hudson County, NJNJ735,03316–

133Jasper County, ININ33,89416–

134York County, MEME222,43416–

135Fond du Lac County, WIWI104,66916–

136Merced County, CACA297,26015–

137Middlesex County, NJNJ883,33515–

138Forest County, WIWI9,57414–

139Bergen County, NJNJ977,02614–

140Solano County, CACA455,37614–

141Jefferson County, KYKY795,22214–

142Wayne County, MIMI1,769,03813–

143Mendocino County, CACA88,12213–

144St. Charles County, MOMO426,49913–

145Chautauqua County, NYNY124,12613–

146Jefferson County, NYNY111,54013–

147Livingston County, NYNY61,43813–

148Chester County, PAPA557,11613–

149Harrisonburg, VAVA50,83913–

150Kittitas County, WAWA48,80313–

151Washington County, WIWI139,23812–

152Milwaukee County, WIWI924,21612–

153Burlington County, NJNJ481,43911–

154Scott County, MNMN159,01711–

155Davidson County, TNTN745,90410–

156Somerset County, NJNJ356,48610–

157Otero County, NMNM70,36810–

158Frederick County, VAVA99,95510–

159Baltimore County, MDMD847,65010–

160Harris County, TXTX5,045,0269–

161Eaton County, MIMI109,5819–

162Northumberland County, PAPA89,9209–

163Vernon County, MOMO19,9469–

164Cobb County, GAGA793,3459–

165Broward County, FLFL2,013,3179–

166Seminole County, FLFL491,8849–

167Black Hawk County, IAIA131,5329–

168Hillsborough County, FLFL1,574,1158–

169Berkshire County, MAMA128,2248–

170Adair County, MOMO25,6848–

171Monroe County, NYNY750,5068–

172Franklin County, VTVT51,1778–

173Kenosha County, WIWI168,4488–

174Racine County, WIWI198,9198–

175Lake County, ILIL719,3398–

176Westmoreland County, PAPA349,3248–

177San Luis Obispo County, CACA282,3677–

178Ingham County, MIMI289,7097–

179Williamson County, TXTX752,8277–

180Routt County, COCO25,3297–

181Summit County, UTUT43,1417–

182Camden County, NJNJ535,7996–

183Lackawanna County, PAPA216,5026–

184Hays County, TXTX304,3906–

185Sauk County, WIWI66,6526–

186Mercer County, NJNJ399,2895–

187Manitowoc County, WIWI81,7105–

188Richmond, VAVA237,2575–

189Warren County, KYKY149,3754–

190Orleans Parish, LALA362,1544–

191Burnett County, WIWI17,2234–

192Monmouth County, NJNJ651,0354–

193Greene County, OHOH174,3223–

194Latah County, IDID41,8423–

195Woodbury County, IAIA106,6493–

196Taylor County, KYKY26,7633–

197Madison County, NENE36,1063–

198Ionia County, MIMI66,5572–

199Schuylkill County, PAPA145,0852–

200Rutland County, VTVT59,6532–

201Stanislaus County, CACA557,7192–

202La Plata County, COCO56,8982–

203Delaware County, PAPA580,9371–

204Clark County, WIWI35,0521–

205Sublette County, WYWY8,9291–

206Hawaii County, HIHI210,0431–

207Franklin County, PAPA160,6521–

SHOWING 1–207 OF 207

Download CSV (full list, 207 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest mongolian population?

Cook County, Illinois ranks #1 with 3,111 (2020 Decennial Census).

What are the top 5 counties by mongolian population?

Cook County, Illinois, Los Angeles County, California, Alameda County, California, Arlington County, Virginia, Fairfax County, Virginia.

How many counties are in this ranking?

207 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is mongolian population measured?

Number of residents who are Mongolian (Asian origin, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.