CensusEasy
RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Most uninsured people, US counties · 2020

US counties with the most residents lacking health insurance, as of the 2020 American Community Survey. Ranked by number of people, not the uninsured rate. Harris County, Texas leads at 951,568. 3,135 counties qualify in total. Texas carries 8 of the top 25 entries. The median across all 3,135 is 2,247.

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RANKPLACESTATEPOPUNINSURED RESIDENTSVS –
USUnited States8.5% of US population331,449,28128,058,903–
01Harris County, TXTX5,045,026951,568–
02Los Angeles County, CACA9,694,934914,046–
03Dallas County, TXTX2,661,397542,636–
04Maricopa County, AZAZ4,689,558478,064–
05Cook County, ILIL5,194,625447,982–
06Miami-Dade County, FLFL2,802,029433,554–
07Tarrant County, TXTX2,248,466337,553–
08Bexar County, TXTX2,160,088309,185–
09Broward County, FLFL2,013,317274,533–
10Hidalgo County, TXTX921,549260,885–
11Clark County, NVNV2,407,226258,326–
12San Diego County, CACA3,282,248244,072–
13Orange County, CACA3,149,507225,042–
14Riverside County, CACA2,544,916204,878–
15Queens County, NYNY2,358,182200,657–
16Palm Beach County, FLFL1,575,726197,976–
17Orange County, FLFL1,528,002179,349–
18Hillsborough County, FLFL1,574,115176,212–
19San Bernardino County, CACA2,224,091175,185–
20Kings County, NYNY2,653,963170,913–
21El Paso County, TXTX877,858166,909–
22Travis County, TXTX1,389,670152,633–
23Gwinnett County, GAGA1,018,099145,068–
24Mecklenburg County, NCNC1,233,383124,453–
25Cameron County, TXTX433,946120,426–
26Philadelphia County, PAPA1,574,281119,436–
27King County, WAWA2,344,939117,336–
28Salt Lake County, UTUT1,220,916114,332–
29Bronx County, NYNY1,406,332113,006–
30Oklahoma County, OKOK822,125110,309–
31Duval County, FLFL1,062,963109,267–
32Shelby County, TNTN910,226106,155–
33Collin County, TXTX1,297,179105,647–
34Fulton County, GAGA1,098,791104,828–
35Wayne County, MIMI1,769,038103,858–
36Pinellas County, FLFL948,563102,801–
37Lee County, FLFL875,607100,493–
38Franklin County, OHOH1,361,536100,364–
39DeKalb County, GAGA774,39499,552–
40Fort Bend County, TXTX975,19196,371–
41Marion County, ININ992,19693,045–
42Denton County, TXTX1,069,34692,811–
43Prince George's County, MDMD970,37492,790–
44Cobb County, GAGA793,34591,841–
45Fairfax County, VAVA1,167,87391,785–
46Wake County, NCNC1,257,23591,582–
47Tulsa County, OKOK698,78291,106–
48Pima County, AZAZ1,074,68590,650–
49Polk County, FLFL874,79090,387–
50Essex County, NJNJ896,37988,499–
51Montgomery County, TXTX781,19486,170–
52Sacramento County, CACA1,618,46083,134–
53Hudson County, NJNJ735,03382,920–
54Santa Clara County, CACA1,914,39181,041–
55Davidson County, TNTN745,90479,478–
56Jackson County, MOMO732,99478,557–
57Webb County, TXTX281,22478,374–
58Fresno County, CACA1,035,45676,302–
59New York County, NYNY1,664,86275,705–
60Ventura County, CACA830,85170,449–
61Alameda County, CACA1,636,63070,389–
62Montgomery County, MDMD1,074,58270,331–
63Denver County, COCO740,61368,142–
64Milwaukee County, WIWI924,21667,755–
65Kern County, CACA927,06866,775–
66Cuyahoga County, OHOH1,232,92566,381–
67Bergen County, NJNJ977,02664,617–
68Nueces County, TXTX352,99263,133–
69Passaic County, NJNJ531,62462,861–
70Lancaster County, PAPA563,15962,745–
71Union County, NJNJ601,86361,811–
72Pasco County, FLFL674,51661,546–
73Suffolk County, NYNY1,546,09061,432–
74Volusia County, FLFL606,57361,178–
75St. Louis County, MOMO990,91159,744–
76Brevard County, FLFL663,98259,668–
77Hennepin County, MNMN1,284,78459,174–
78Jefferson County, ALAL665,74258,699–
79Contra Costa County, CACA1,170,07057,133–
80Middlesex County, NJNJ883,33555,796–
81Nassau County, NYNY1,398,93955,051–
82Williamson County, TXTX752,82754,481–
83Greenville County, SCSC583,12553,419–
84Bernalillo County, NMNM667,60153,222–
85Sedgwick County, KSKS538,43352,997–
86Douglas County, NENE606,46052,780–
87Oakland County, MIMI1,288,33752,531–
88Multnomah County, OROR795,39152,462–
89Westchester County, NYNY1,015,74352,370–
90Clayton County, GAGA297,47151,935–
91Adams County, COCO554,66851,909–
92Pierce County, WAWA946,28851,326–
93Collier County, FLFL417,13151,245–
94Arapahoe County, COCO673,82050,808–
95DuPage County, ILIL934,29849,392–
96Prince William County, VAVA502,96649,254–
97Snohomish County, WAWA870,65648,877–
98Guilford County, NCNC562,23448,567–
99El Paso County, COCO757,04048,427–
100Osceola County, FLFL481,71847,826–
101Jefferson Parish, LALA431,39847,687–
102Brazoria County, TXTX419,08047,503–
103Jefferson County, TXTX254,32147,477–
104Utah County, UTUT759,85947,372–
105Horry County, SCSC427,55147,202–
106San Joaquin County, CACA823,81546,860–
107Manatee County, FLFL468,20046,545–
108Allegheny County, PAPA1,225,03546,333–
109Sarasota County, FLFL479,95846,062–
110Mobile County, ALAL411,65845,822–
111Bell County, TXTX402,24845,143–
112Macomb County, MIMI886,22145,070–
113Washoe County, NVNV509,38644,990–
114Hamilton County, OHOH838,41844,460–
115Lake County, ILIL719,33943,987–
116St. Lucie County, FLFL402,44943,562–
117Seminole County, FLFL491,88443,496–
118Galveston County, TXTX372,20743,310–
119Santa Barbara County, CACA442,06543,302–
120Kane County, ILIL525,75743,277–
121Baltimore County, MDMD847,65043,146–
122Middlesex County, MAMA1,669,97941,461–
123Charleston County, SCSC436,20041,101–
124Marion County, FLFL442,66040,955–
125Lubbock County, TXTX328,90640,535–
126Forsyth County, NCNC401,71839,672–
127Chatham County, GAGA311,85539,390–
128Monterey County, CACA433,72939,081–
129Smith County, TXTX252,54937,616–
130Jefferson County, KYKY795,22237,604–
131Lake County, FLFL456,06837,442–
132East Baton Rouge Parish, LALA456,18037,234–
133Pinal County, AZAZ539,38037,001–
134Durham County, NCNC347,24036,869–
135Kent County, MIMI675,23236,619–
136Richland County, SCSC434,95636,194–
137Ada County, IDID546,14135,883–
138Tulare County, CACA485,14635,869–
139McLennan County, TXTX272,02035,716–
140Baltimore, MDMD569,99735,525–
141Knox County, TNTN511,45335,411–
142Orleans Parish, LALA362,15435,341–
143Will County, ILIL712,25334,923–
144Montgomery County, OHOH539,59834,395–
145Johnson County, KSKS636,90634,316–
146Hall County, GAGA226,56833,732–
147Lake County, ININ504,61233,081–
148Hamilton County, TNTN390,83333,059–
149Providence County, RIRI678,17932,924–
150Greene County, MOMO309,28632,857–
151Washington County, OROR611,70832,799–
152Escambia County, FLFL333,83432,753–
153Monmouth County, NJNJ651,03532,666–
154Ector County, TXTX173,80132,449–
155Spartanburg County, SCSC380,85732,156–
156Camden County, NJNJ535,79931,998–
157Virginia Beach, VAVA453,73731,512–
158Cumberland County, NCNC338,47331,417–
159Honolulu County, HIHI988,70331,201–
160San Francisco County, CACA826,07931,049–
161Summit County, OHOH538,37630,810–
162Hays County, TXTX304,39030,709–
163St. Louis, MOMO278,14430,642–
164Stanislaus County, CACA557,71930,491–
165Pulaski County, ARAR404,61130,449–
166Elkhart County, ININ208,77430,412–
167Yakima County, WAWA259,18530,318–
168Jefferson County, COCO580,45130,317–
169Allen County, ININ402,32929,921–
170Suffolk County, MAMA791,89129,883–
171Sonoma County, CACA486,44429,765–
172Anchorage, AKAK287,15529,680–
173Ocean County, NJNJ673,74629,526–
174Hinds County, MSMS211,88829,454–
175Clark County, WAWA532,11929,330–
176San Mateo County, CACA743,56829,312–
177Canyon County, IDID275,12329,255–
178Madison County, ALAL433,51629,244–
179Cleveland County, OKOK303,97328,797–
180Rutherford County, TNTN386,35228,787–
181Montgomery County, PAPA877,64328,680–
182Harrison County, MSMS217,13628,620–
183Buncombe County, NCNC277,41728,505–
184Midland County, TXTX187,85528,475–
185Lexington County, SCSC317,58828,359–
186Johnson County, TXTX218,04828,287–
187New Castle County, DEDE588,02628,252–
188Wyandotte County, KSKS170,59728,152–
189Marion County, OROR355,77728,063–
190Erie County, NYNY946,74127,979–
191Ellis County, TXTX240,86727,947–
192Cherokee County, GAGA299,27327,909–
193Weld County, COCO378,42627,740–
194Delaware County, PAPA580,93727,404–
195Washington County, ARAR271,21327,310–
196Ramsey County, MNMN541,62327,300–
197Brazos County, TXTX249,08826,783–
198Lane County, OROR381,58426,138–
199Richmond, VAVA237,25726,066–
200Spokane County, WAWA558,34426,022–
201Chesterfield County, VAVA397,14825,992–
202Chester County, PAPA557,11625,934–
203Yuma County, AZAZ224,44925,719–
204Berks County, PAPA440,07225,627–
205Richmond County, GAGA206,55925,620–
206Mercer County, NJNJ399,28925,605–
207Hillsborough County, NHNH433,41525,350–
208District of Columbia, DCDC693,64525,288–
209Bucks County, PAPA647,82825,208–
210Henry County, GAGA264,92224,925–
211Lucas County, OHOH423,34724,901–
212Potter County, TXTX114,45324,649–
213Norfolk, VAVA231,01324,336–
214New Hanover County, NCNC245,95924,037–
215Johnston County, NCNC256,44824,018–
216Henrico County, VAVA342,77523,782–
217Monroe County, NYNY750,50623,763–
218Bay County, FLFL204,47923,753–
219Benton County, ARAR332,55423,693–
220Hernando County, FLFL221,70123,628–
221Anne Arundel County, MDMD603,38023,561–
222Essex County, MAMA826,65323,282–
223York County, SCSC306,88723,092–
224Okaloosa County, FLFL221,81022,848–
225Clackamas County, OROR426,28022,770–
226Doña Ana County, NMNM229,09122,757–
227Gaston County, NCNC246,55822,741–
228Lancaster County, NENE334,04922,671–
229Berkeley County, SCSC274,66622,671–
230Genesee County, MIMI401,09322,650–
231Leon County, FLFL299,04822,594–
232Yavapai County, AZAZ252,55222,431–
233Lehigh County, PAPA384,38322,394–
234Loudoun County, VAVA449,74922,317–
235Montgomery County, ALAL225,89122,277–
236Muscogee County, GAGA202,17122,220–
237Polk County, IAIA516,54622,220–
238York County, PAPA473,19722,075–
239Morris County, NJNJ524,25122,006–
240Alachua County, FLFL290,02821,916–
241Weber County, UTUT278,17421,793–
242Solano County, CACA455,37621,737–
243Merced County, CACA297,26021,609–
244Gregg County, TXTX126,09521,555–
245Starr County, TXTX66,31921,240–
246Fayette County, KYKY329,75121,227–
247Butler County, OHOH400,12821,039–
248Lafayette Parish, LALA257,94921,038–
249Grayson County, TXTX153,61321,019–
250Larimer County, COCO377,29220,839–
251Caddo Parish, LALA224,22620,688–
252Stark County, OHOH373,77120,574–
253Baldwin County, ALAL267,76120,501–
254Union County, NCNC267,67420,499–
255St. Joseph County, ININ272,86120,483–
256Clay County, FLFL239,59320,447–
257Davis County, UTUT381,22720,443–
258Atlantic County, NJNJ278,65720,292–
259Washington County, UTUT213,67020,279–
260Anderson County, SCSC219,93020,251–
261St. Johns County, FLFL346,32820,055–
262Forsyth County, GAGA282,80519,947–
263Dane County, WIWI590,37519,545–
264Mohave County, AZAZ228,10219,536–
265Parker County, TXTX184,76719,377–
266Davidson County, NCNC180,18219,347–
267Richmond County, NYNY501,29019,276–
268St. Tammany Parish, LALA279,10819,219–
269Paulding County, GAGA190,99619,185–
270Clay County, MOMO265,03219,159–
271Worcester County, MAMA888,50219,087–
272Charlotte County, FLFL217,21219,085–
273Burlington County, NJNJ481,43918,780–
274Guadalupe County, TXTX201,11118,767–
275Taylor County, TXTX150,07718,722–
276Douglas County, GAGA154,29318,659–
277Apache County, AZAZ64,44518,578–
278Randolph County, NCNC149,51618,558–
279Robeson County, NCNC119,94118,507–
280Liberty County, TXTX121,36418,475–
281Santa Rosa County, FLFL211,11518,462–
282Whitfield County, GAGA106,21218,278–
283Bibb County, GAGA157,55618,133–
284Newport News, VAVA183,23018,131–
285Jefferson County, MOMO233,13218,071–
286Pitt County, NCNC182,93618,060–
287Orange County, NYNY417,66918,042–
288Holmes County, OHOH44,97018,026–
289Jackson County, MSMS147,66617,925–
290Alamance County, NCNC186,17717,902–
291Catawba County, NCNC170,17217,766–
292Somerset County, NJNJ356,48617,742–
293Wichita County, TXTX129,55517,554–
294Indian River County, FLFL172,79917,287–
295Kaufman County, TXTX209,23517,262–
296Beaufort County, SCSC204,43317,137–
297St. Charles County, MOMO426,49917,043–
298Winnebago County, ILIL283,67417,042–
299Maverick County, TXTX58,82316,921–
300Iredell County, NCNC211,79816,844–
301Lowndes County, GAGA122,86716,790–
302LaGrange County, ININ41,30516,759–
303Kootenai County, IDID191,86416,674–
304Cumberland County, MEME317,22216,610–
305Luzerne County, PAPA332,12616,606–
306Cabarrus County, NCNC249,72516,552–
307Lorain County, OHOH323,21916,509–
308San Luis Obispo County, CACA282,36716,434–
309Dorchester County, SCSC178,39716,412–
310Aiken County, SCSC181,51516,232–
311Houston County, GAGA178,21416,222–
312Dakota County, MNMN457,71016,088–
313San Juan County, NMNM120,34016,061–
314Comal County, TXTX209,16615,974–
315Bristol County, MAMA593,64015,965–
316Onondaga County, NYNY466,58415,921–
317Santa Fe County, NMNM156,90715,902–
318Angelina County, TXTX88,15415,820–
319Calcasieu Parish, LALA208,46615,819–
320Rowan County, NCNC155,09615,808–
321Jasper County, MOMO127,42815,799–
322Chesapeake, VAVA255,33215,751–
323Victoria County, TXTX92,65615,732–
324Bartow County, GAGA120,80015,672–
325Clarke County, GAGA129,92115,666–
326Coconino County, AZAZ144,36815,646–
327DeSoto County, MSMS197,91815,519–
328Wayne County, NCNC122,27815,514–
329Citrus County, FLFL171,66615,491–
330Canadian County, OKOK187,18915,487–
331Hunt County, TXTX123,33615,251–
332Martin County, FLFL166,27215,177–
333St. Clair County, ILIL250,70815,169–
334Montgomery County, TNTN249,93515,151–
335Tom Green County, TXTX120,60215,148–
336McHenry County, ILIL317,75115,135–
337Rockland County, NYNY357,39715,129–
338Henderson County, TXTX88,59515,053–
339Dauphin County, PAPA293,35115,053–
340Onslow County, NCNC217,17514,935–
341Matanuska-Susitna, AKAK118,66614,864–
342Comanche County, OKOK122,15814,858–
343Alexandria, VAVA160,66214,852–
344Bastrop County, TXTX118,90814,838–
345Newton County, GAGA125,58314,794–
346Jackson County, OROR221,79514,722–
347Wayne County, OHOH116,75814,680–
348Minnehaha County, SDSD212,69114,631–
349Anoka County, MNMN381,60514,585–
350Sussex County, DEDE277,14014,501–
351Navajo County, AZAZ109,94614,500–
352Rockingham County, NHNH324,07714,493–
353Tuscaloosa County, ALAL241,36814,468–
354Sumner County, TNTN215,53814,462–
355Flagler County, FLFL140,36014,453–
356Placer County, CACA442,08114,444–
357Ingham County, MIMI289,70914,429–
358Boulder County, COCO328,56014,420–
359Kalamazoo County, MIMI263,79514,350–
360Mesa County, COCO162,84514,312–
361McKinley County, NMNM68,11914,255–
362Coweta County, GAGA160,24014,250–
363Floyd County, GAGA101,37814,246–
364Benton County, WAWA221,72214,148–
365Franklin County, PAPA160,65214,137–
366Santa Cruz County, CACA258,85214,114–
367Harnett County, NCNC150,13714,096–
368Henderson County, NCNC122,37514,094–
369Hampden County, MAMA464,33814,026–
370Carroll County, GAGA131,03614,020–
371Deschutes County, OROR213,07213,995–
372Arlington County, VAVA243,93113,978–
373Hamilton County, ININ387,03613,886–
374Vanderburgh County, ININ181,99513,883–
375Sullivan County, TNTN163,75913,723–
376Sebastian County, ARAR130,64113,688–
377Dougherty County, GAGA82,61613,589–
378Brown County, WIWI275,80313,486–
379Northampton County, PAPA324,41113,477–
380Orange County, TXTX86,26613,438–
381Florence County, SCSC138,50413,428–
382Sevier County, TNTN101,34213,394–
383Butte County, CACA209,21113,336–
384Rankin County, MSMS162,18113,277–
385Brunswick County, NCNC174,70213,222–
386Cumberland County, NJNJ157,14813,164–
387Whatcom County, WAWA236,39213,145–
388Cumberland County, PAPA277,27013,144–
389Shelby County, ALAL238,55213,130–
390Thurston County, WAWA304,26113,022–
391Waukesha County, WIWI417,21013,019–
392Randall County, TXTX152,35112,962–
393Franklin County, WAWA102,61212,908–
394Madison County, ILIL263,11012,891–
395Dutchess County, NYNY300,70812,884–
396Kent County, DEDE194,78612,818–
397Norfolk County, MAMA739,74912,794–
398Shawnee County, KSKS178,60712,747–
399Highlands County, FLFL111,12212,684–
400Lee County, ALAL189,88112,682–
401Columbia County, GAGA169,18912,653–
402Ouachita Parish, LALA158,54212,552–
403Penobscot County, MEME157,96712,516–
404Monroe County, FLFL80,40612,471–
405Tippecanoe County, ININ190,45612,417–
406Barrow County, GAGA99,77312,414–
407Rockdale County, GAGA98,41612,377–
408Trumbull County, OHOH198,97212,310–
409Gloucester County, NJNJ312,63812,269–
410Plymouth County, MAMA546,82912,231–
411Pennington County, SDSD116,79212,228–
412Boone County, MOMO191,74612,202–
413Williamson County, TNTN272,06112,127–
414Douglas County, COCO399,39612,076–
415Imperial County, CACA181,41112,001–
416Blount County, TNTN143,82011,994–
417Bowie County, TXTX92,69611,960–
418Putnam County, FLFL77,73411,960–
419Howard County, MDMD339,18311,930–
420Morgan County, ALAL126,48311,927–
421Kitsap County, WAWA283,37411,924–
422Houston County, ALAL110,31811,915–
423Erie County, PAPA265,83211,829–
424Monroe County, PAPA167,17911,821–
425Lebanon County, PAPA146,38011,795–
426Washington County, TNTN141,19911,791–
427York County, MEME222,43411,759–
428Rapides Parish, LALA125,87711,713–
429Etowah County, ALAL103,88611,688–
430Sumter County, SCSC105,06711,599–
431Marshall County, ALAL103,53711,564–
432Bradley County, TNTN115,46511,556–
433Washtenaw County, MIMI370,21411,531–
434Wise County, TXTX83,77811,456–
435Frederick County, MDMD302,88311,452–
436Nacogdoches County, TXTX66,03511,435–
437Glynn County, GAGA87,59911,431–
438Sandoval County, NMNM159,56511,408–
439Grant County, WAWA105,72711,327–
440Stafford County, VAVA170,80311,297–
441Calhoun County, ALAL115,83411,260–
442Madera County, CACA167,92711,242–
443Tangipahoa Parish, LALA141,34611,169–
444Cleveland County, NCNC103,32511,163–
445Walton County, GAGA112,69611,150–
446Kenosha County, WIWI168,44811,136–
447Livingston Parish, LALA155,03611,105–
448Clermont County, OHOH216,97711,103–
449Lake County, OHOH232,21711,103–
450Pueblo County, COCO169,27711,001–
451Peoria County, ILIL178,55311,001–
452Westmoreland County, PAPA349,32410,965–
453Shasta County, CACA181,64810,935–
454Roanoke, VAVA99,11110,909–
455San Patricio County, TXTX72,05310,860–
456Muskogee County, OKOK66,70810,735–
457Mahoning County, OHOH224,70610,731–
458Pickens County, SCSC139,19810,712–
459Cherokee County, OKOK49,19610,645–
460Waller County, TXTX69,85810,569–
461Humboldt County, CACA131,64710,480–
462Burke County, NCNC88,65510,471–
463Garfield County, COCO63,47410,465–
464Terrebonne Parish, LALA104,16310,343–
465Cherokee County, TXTX53,33710,292–
466Buchanan County, MOMO83,54010,284–
467Harrison County, TXTX71,95610,243–
468Faulkner County, ARAR133,97910,242–
469Kanawha County, WVWV172,38110,220–
470Ottawa County, MIMI308,45910,213–
471Spotsylvania County, VAVA155,38810,193–
472Sarpy County, NENE208,30310,190–
473Cass County, NDND201,79410,147–
474Bonneville County, IDID135,77110,141–
475Kings County, CACA154,32710,122–
476Madison County, ININ135,08810,120–
477Val Verde County, TXTX47,83510,094–
478Forrest County, MSMS79,03410,076–
479Payne County, OKOK83,88910,037–
480Rogers County, OKOK102,19710,021–
481Berrien County, MIMI152,4449,978–
482Hendry County, FLFL48,2769,952–
483Madison County, TNTN100,7909,948–
484Colquitt County, GAGA47,4389,947–
485Walton County, FLFL93,2889,940–
486Craven County, NCNC105,0259,914–
487Bulloch County, GAGA86,9499,869–
488Garland County, ARAR99,6959,855–
489Duplin County, NCNC51,5719,813–
490Licking County, OHOH185,5649,808–
491Nash County, NCNC99,3659,797–
492Pottawatomie County, OKOK75,1029,781–
493Wagoner County, OKOK93,2639,729–
494Caldwell County, NCNC81,1059,725–
495Orange County, NCNC152,4989,719–
496Hampton, VAVA137,3159,713–
497Sampson County, NCNC61,5049,691–
498DeKalb County, ALAL74,0859,683–
499Natrona County, WYWY80,5269,675–
500Hawaii County, HIHI210,0439,667–
SHOWING 1–500 OF 3,135

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

Frequently asked

Which county has the highest uninsured residents?

Harris County, Texas ranks #1 with 951,568 (2020 Decennial Census).

What are the top 5 counties by uninsured residents?

Harris County, Texas, Los Angeles County, California, Dallas County, Texas, Maricopa County, Arizona, Cook County, Illinois.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is uninsured residents measured?

Number of civilian noninstitutionalized residents without health insurance (ACS S2701). The raw-count companion to the uninsured rate. Source: US Census Bureau, 2020 Decennial Census.