RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Largest Black population, US counties · 1990

US counties ranked by the number of residents who are Black or African American, from the 1990 American Community Survey (table B03002). Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 1,302,746. 3,122 counties qualify in total. New York carries 4 of the top 25 entries. The median across all 3,122 is 405.

All statesAll rankings

SAME RANKING BYCities States Metros

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

RANKPLACESTATEPOPBLACK POPULATIONVS –

USUnited States11.8% of US population248,709,87329,284,596–

01Cook County, ILIL5,194,6251,302,746–

02Los Angeles County, CACA9,694,934946,862–

03Wayne County, MIMI1,769,038845,974–

04Kings County, NYNY2,653,963806,864–

05Philadelphia County, PAPA1,574,281626,782–

06Harris County, TXTX5,045,026532,735–

07Baltimore, MDMD569,997433,967–

08District of Columbia, DCDC693,645396,397–

09Queens County, NYNY2,358,182394,170–

10Bronx County, NYNY1,406,332380,670–

11Prince George's County, MDMD970,374366,114–

12Dallas County, TXTX2,661,397366,080–

13Shelby County, TNTN910,226359,153–

14Cuyahoga County, OHOH1,232,925348,208–

15Fulton County, GAGA1,098,791322,773–

16Essex County, NJNJ896,379308,376–

17Orleans Parish, LALA362,154306,129–

18New York County, NYNY1,664,862264,717–

19DeKalb County, GAGA774,394229,538–

20Jefferson County, ALAL665,742227,836–

21Alameda County, CACA1,636,630224,457–

22Milwaukee County, WIWI924,216194,422–

23Broward County, FLFL2,013,317187,608–

24St. Louis, MOMO278,144187,561–

25Hamilton County, OHOH838,418180,423–

26Marion County, ININ992,196168,178–

27Duval County, FLFL1,062,963162,933–

28Franklin County, OHOH1,361,536152,166–

29San Diego County, CACA3,282,248150,670–

30Allegheny County, PAPA1,225,035148,998–

31Suffolk County, MAMA791,891139,737–

32Tarrant County, TXTX2,248,466138,773–

33St. Louis County, MOMO990,911138,606–

34Jackson County, MOMO732,994134,827–

35Mecklenburg County, NCNC1,233,383134,140–

36East Baton Rouge Parish, LALA456,180132,083–

37Hinds County, MSMS211,888129,308–

38Davidson County, TNTN745,904119,067–

39Richland County, SCSC434,956118,675–

40Mobile County, ALAL411,658117,380–

41Lake County, ININ504,612115,604–

42Westchester County, NYNY1,015,743115,065–

43Jefferson County, KYKY795,222112,911–

44Richmond, VAVA237,257112,072–

45San Bernardino County, CACA2,224,091110,352–

46Erie County, NYNY946,741108,337–

47Hillsborough County, FLFL1,574,115106,923–

48Nassau County, NYNY1,398,939106,479–

49Palm Beach County, FLFL1,575,726103,047–

50Charleston County, SCSC436,200102,322–

51Montgomery County, OHOH539,598101,390–

52Norfolk, VAVA231,013101,271–

53Orange County, FLFL1,528,002100,443–

54Caddo Parish, LALA224,22699,300–

55Sacramento County, CACA1,618,46094,373–

56Pulaski County, ARAR404,61192,118–

57Guilford County, NCNC562,23491,508–

58Montgomery County, MDMD1,074,58289,676–

59Union County, NJNJ601,86389,640–

60Oklahoma County, OKOK822,12587,577–

61Wake County, NCNC1,257,23587,359–

62Montgomery County, ALAL225,89186,908–

63Cumberland County, NCNC338,47386,163–

64Baltimore County, MDMD847,65084,412–

65Genesee County, MIMI401,09383,572–

66Monroe County, NYNY750,50683,163–

67Bexar County, TXTX2,160,08882,134–

68Chatham County, GAGA311,85581,999–

69Camden County, NJNJ535,79979,430–

70Richmond County, GAGA206,55979,315–

71Jefferson Parish, LALA431,39878,274–

72Suffolk County, NYNY1,546,09078,015–

73San Francisco County, CACA826,07976,944–

74Oakland County, MIMI1,288,33776,939–

75Jefferson County, TXTX254,32174,067–

76King County, WAWA2,344,93973,380–

77Contra Costa County, CACA1,170,07072,886–

78Maricopa County, AZAZ4,689,55871,896–

79New Castle County, DEDE588,02671,643–

80St. Clair County, ILIL250,70871,101–

81Hudson County, NJNJ735,03370,362–

82Clark County, NVNV2,407,22669,200–

83Lucas County, OHOH423,34767,920–

84Muscogee County, GAGA202,17167,541–

85Durham County, NCNC347,24067,391–

86Forsyth County, NCNC401,71865,736–

87Pinellas County, FLFL948,56364,660–

88Bibb County, GAGA157,55662,429–

89Fairfax County, VAVA1,167,87362,275–

90Travis County, TXTX1,389,67061,470–

91Summit County, OHOH538,37660,725–

92Delaware County, PAPA580,93760,224–

93Riverside County, CACA2,544,91660,063–

94Mercer County, NJNJ399,28959,787–

95Hennepin County, MNMN1,284,78459,163–

96Denver County, COCO740,61358,401–

97Passaic County, NJNJ531,62457,751–

98Greenville County, SCSC583,12557,558–

99Newport News, VAVA183,23056,258–

100Burlington County, NJNJ481,43955,582–

101Hamilton County, TNTN390,83354,251–

102Virginia Beach, VAVA453,73753,920–

103Polk County, FLFL874,79053,622–

104Santa Clara County, CACA1,914,39152,884–

105Escambia County, FLFL333,83452,339–

106Hampton, VAVA137,31551,669–

107Anne Arundel County, MDMD603,38049,865–

108Middlesex County, NJNJ883,33549,258–

109Orangeburg County, SCSC83,17749,191–

110Tulsa County, OKOK698,78249,123–

111Portsmouth, VAVA96,77748,868–

112Dougherty County, GAGA82,61648,106–

113Madison County, ALAL433,51647,688–

114Spartanburg County, SCSC380,85746,792–

115Leon County, FLFL299,04846,127–

116Monmouth County, NJNJ651,03545,918–

117Fort Bend County, TXTX975,19145,805–

118Douglas County, NENE606,46044,875–

119Sumter County, SCSC105,06744,341–

120Wyandotte County, KSKS170,59744,285–

121Solano County, CACA455,37644,177–

122Florence County, SCSC138,50444,135–

123Ouachita Parish, LALA158,54243,950–

124Cobb County, GAGA793,34543,755–

125Henrico County, VAVA342,77543,734–

126Clayton County, GAGA297,47143,030–

127Chesapeake, VAVA255,33241,566–

128Pierce County, WAWA946,28840,982–

129Kent County, MIMI675,23239,544–

130Washington County, MSMS40,44639,248–

131Mahoning County, OHOH224,70639,152–

132Tuscaloosa County, ALAL241,36838,909–

133Orange County, CACA3,149,50738,825–

134Calcasieu Parish, LALA208,46638,278–

135Montgomery County, PAPA877,64338,167–

136Atlantic County, NJNJ278,65737,994–

137Bergen County, NJNJ977,02637,563–

138Galveston County, TXTX372,20737,483–

139Middlesex County, MAMA1,669,97937,347–

140Will County, ILIL712,25337,262–

141Lafayette Parish, LALA257,94936,737–

142Jefferson County, ARAR62,98736,690–

143Onondaga County, NYNY466,58436,672–

144Saginaw County, MIMI187,68836,577–

145Rapides Parish, LALA125,87736,529–

146Pitt County, NCNC182,93635,919–

147Sedgwick County, KSKS538,43335,395–

148Bell County, TXTX402,24835,238–

149Dauphin County, PAPA293,35135,086–

150Multnomah County, OROR795,39134,353–

151Alachua County, FLFL290,02834,215–

152Lake County, ILIL719,33934,080–

153Wayne County, NCNC122,27833,724–

154San Mateo County, CACA743,56833,470–

155Volusia County, FLFL606,57333,005–

156Hampden County, MAMA464,33832,814–

157Harrison County, MSMS217,13632,281–

158St. Landry Parish, LALA80,76532,161–

159Fresno County, CACA1,035,45631,673–

160Edgecombe County, NCNC49,12131,614–

161Smith County, TXTX252,54931,349–

162Washtenaw County, MIMI370,21431,071–

163Berkeley County, SCSC274,66630,893–

164Brevard County, FLFL663,98230,842–

165Fayette County, KYKY329,75129,922–

166Allen County, ININ402,32929,888–

167Knox County, TNTN511,45329,232–

168McLennan County, TXTX272,02029,228–

169Onslow County, NCNC217,17529,154–

170Aiken County, SCSC181,51529,028–

171Kern County, CACA927,06828,927–

172Richmond County, NYNY501,29028,471–

173Providence County, RIRI678,17928,325–

174Dallas County, ALAL35,14027,818–

175Petersburg, VAVA33,73427,504–

176Halifax County, NCNC46,53427,477–

177El Paso County, COCO757,04027,445–

178Ingham County, MIMI289,70927,171–

179Chesterfield County, VAVA397,14826,974–

180Bolivar County, MSMS28,26226,407–

181York County, SCSC306,88726,265–

182Lauderdale County, MSMS70,31726,249–

183Robeson County, NCNC119,94126,204–

184San Joaquin County, CACA823,81525,432–

185Horry County, SCSC427,55125,095–

186Peoria County, ILIL178,55324,937–

187Wilson County, NCNC81,15024,892–

188Berrien County, MIMI152,44424,706–

189Darlington County, SCSC62,88824,682–

190Honolulu County, HIHI988,70324,609–

191Prince William County, VAVA502,96624,579–

192Marion County, FLFL442,66024,526–

193Stark County, OHOH373,77124,516–

194Tangipahoa Parish, LALA141,34624,468–

195Beaufort County, SCSC204,43324,441–

196Alexandria, VAVA160,66224,320–

197Rockland County, NYNY357,39724,289–

198St. Lucie County, FLFL402,44924,252–

199Lowndes County, GAGA122,86724,168–

200Madison County, TNTN100,79024,098–

201Nash County, NCNC99,36524,076–

202Albany County, NYNY321,22524,062–

203Anderson County, SCSC219,93024,031–

204New Hanover County, NCNC245,95923,928–

205Gadsden County, FLFL44,29823,809–

206St. Joseph County, ININ272,86123,775–

207Madison County, MSMS116,29823,705–

208Williamsburg County, SCSC29,66223,577–

209Jackson County, MSMS147,66623,531–

210Chester County, PAPA557,11623,455–

211Seminole County, FLFL491,88423,353–

212Suffolk, VAVA104,69923,157–

213Roanoke, VAVA99,11123,073–

214Winnebago County, ILIL283,67422,941–

215Clarke County, GAGA129,92122,874–

216Talladega County, ALAL81,60322,770–

217Cumberland County, NJNJ157,14822,736–

218Leflore County, MSMS25,68622,623–

219Lenoir County, NCNC55,83722,544–

220Gaston County, NCNC246,55822,441–

221Arapahoe County, COCO673,82022,271–

222Lowndes County, MSMS57,34621,989–

223Ramsey County, MNMN541,62321,909–

224Monterey County, CACA433,72921,699–

225Howard County, MDMD339,18321,641–

226Calhoun County, ALAL115,83421,612–

227Lee County, FLFL875,60721,416–

228Macon County, ALAL18,13221,411–

229Muskegon County, MIMI177,90121,388–

230Crittenden County, ARAR46,21021,358–

231Sunflower County, MSMS22,89321,025–

232Craven County, NCNC105,02520,941–

233Forrest County, MSMS79,03420,931–

234Alamance County, NCNC186,17720,767–

235Orange County, NYNY417,66920,763–

236Lorain County, OHOH323,21920,625–

237Dutchess County, NYNY300,70820,573–

238Coahoma County, MSMS19,84920,477–

239Lee County, ALAL189,88120,389–

240Liberty County, GAGA70,31320,386–

241Kent County, DEDE194,78620,336–

242El Paso County, TXTX877,85820,264–

243Georgetown County, SCSC65,91219,959–

244Iberia Parish, LALA66,84619,907–

245Gloucester County, NJNJ312,63819,821–

246Kalamazoo County, MIMI263,79519,759–

247Pima County, AZAZ1,074,68519,663–

248Gregg County, TXTX126,09519,651–

249Comanche County, OKOK122,15819,622–

250Danville, VAVA41,64719,491–

251Houston County, GAGA178,21419,420–

252Dorchester County, SCSC178,39719,097–

253Houston County, ALAL110,31818,852–

254Sussex County, DEDE277,14018,847–

255Warren County, MSMS41,75918,550–

256Kane County, ILIL525,75718,541–

257Marion County, SCSC28,24218,540–

258Lexington County, SCSC317,58818,389–

259Charles County, MDMD176,59318,179–

260St. Mary Parish, LALA46,55218,104–

261Russell County, ALAL58,89818,048–

262Greenwood County, SCSC70,37917,996–

263Gwinnett County, GAGA1,018,09917,929–

264Bowie County, TXTX92,69617,811–

265Montgomery County, TNTN249,93517,694–

266Cleveland County, NCNC103,32517,679–

267Rowan County, NCNC155,09617,626–

268Arlington County, VAVA243,93117,598–

269Vance County, NCNC42,63817,536–

270Rockingham County, NCNC94,19517,532–

271Lynchburg, VAVA81,34717,465–

272Bossier Parish, LALA131,86717,200–

273Adams County, MSMS30,06117,174–

274Racine County, WIWI198,91916,840–

275Pike County, MSMS38,71216,819–

276Baldwin County, GAGA44,02916,757–

277Christian County, KYKY70,11516,698–

278Troup County, GAGA72,84416,680–

279Champaign County, ILIL209,97216,534–

280Lincoln Parish, LALA48,36016,402–

281Laurens County, SCSC71,84816,358–

282Holmes County, MSMS15,46516,332–

283Wicomico County, MDMD106,89916,317–

284Lubbock County, TXTX328,90616,238–

285Manatee County, FLFL468,20016,158–

286Mississippi County, ARAR37,82816,024–

287Clarendon County, SCSC31,04316,010–

288Harrison County, TXTX71,95615,973–

289Glynn County, GAGA87,59915,964–

290Madison County, ILIL263,11015,954–

291Terrebonne Parish, LALA104,16315,878–

292Spalding County, GAGA70,77515,824–

293St. Tammany Parish, LALA279,10815,712–

294Phillips County, ARAR14,25515,666–

295Sampson County, NCNC61,50415,623–

296Brazoria County, TXTX419,08015,508–

297Colleton County, SCSC39,38215,450–

298Jones County, MSMS66,49615,446–

299Marshall County, MSMS34,65415,342–

300Harford County, MDMD266,44615,289–

301Harnett County, NCNC150,13715,201–

302Columbus County, NCNC50,48715,154–

303Trumbull County, OHOH198,97215,127–

304DuPage County, ILIL934,29815,012–

305Granville County, NCNC61,42114,932–

306Plymouth County, MAMA546,82914,931–

307Pittsylvania County, VAVA59,49014,909–

308Ventura County, CACA830,85114,884–

309Bucks County, PAPA647,82814,838–

310Orange County, NCNC152,49814,808–

311Thomas County, GAGA46,36814,767–

312Iredell County, NCNC211,79814,649–

313Rankin County, MSMS162,18114,516–

314Panola County, MSMS32,69114,480–

315St. Martin Parish, LALA51,10614,448–

316Kankakee County, ILIL105,52514,391–

317Johnston County, NCNC256,44814,363–

318Polk County, IAIA516,54614,360–

319Iberville Parish, LALA29,57914,355–

320St. John the Baptist Parish, LALA39,87514,335–

321Sangamon County, ILIL194,17014,288–

322Marlboro County, SCSC25,48814,247–

323Somerset County, NJNJ356,48614,193–

324Erie County, PAPA265,83214,129–

325Macon County, ILIL99,30014,087–

326Union County, ARAR36,92614,054–

327Calhoun County, MIMI133,40814,037–

328Buncombe County, NCNC277,41714,027–

329Anchorage, AKAK287,15513,998–

330Sumter County, GAGA28,80113,997–

331Copiah County, MSMS27,49713,918–

332Lee County, MSMS83,73113,911–

333Etowah County, ALAL103,88613,837–

334Lancaster County, SCSC114,29613,800–

335Lake County, FLFL456,06813,735–

336Natchitoches Parish, LALA36,08913,670–

337Brazos County, TXTX249,08813,573–

338St. Francis County, ARAR21,80013,568–

339Kanawha County, WVWV172,38113,545–

340Yazoo County, MSMS22,94713,431–

341Union County, NCNC267,67413,411–

342Worcester County, MAMA888,50213,371–

343Coryell County, TXTX85,59213,323–

344Duplin County, NCNC51,57113,291–

345Morehouse Parish, LALA23,70513,276–

346Denton County, TXTX1,069,34613,269–

347Washington Parish, LALA44,93713,263–

348Webster Parish, LALA34,94813,256–

349Laurens County, GAGA51,04113,251–

350Bay County, FLFL204,47913,240–

351Chambers County, ALAL34,25313,239–

352Oktibbeha County, MSMS51,89613,179–

353Clark County, OHOH135,34013,146–

354Beaufort County, NCNC44,67013,144–

355Ascension Parish, LALA135,10513,125–

356Henry County, VAVA49,24213,113–

357Fairfield County, SCSC20,34013,025–

358Hertford County, NCNC19,01513,001–

359Chesterfield County, SCSC44,74012,885–

360Franklin County, NCNC82,03712,877–

361Butler County, OHOH400,12812,872–

362Richmond County, NCNC42,04112,863–

363Okaloosa County, FLFL221,81012,826–

364Cabarrus County, NCNC249,72512,802–

365Chester County, SCSC33,00112,754–

366Oneida County, NYNY226,39212,752–

367Shawnee County, KSKS178,60712,701–

368Vernon Parish, LALA45,09112,663–

369Dillon County, SCSC27,45812,563–

370Baldwin County, ALAL267,76112,544–

371Bertie County, NCNC17,08612,519–

372Vanderburgh County, ININ181,99512,387–

373Kershaw County, SCSC73,16612,359–

374Northampton County, NCNC16,49112,307–

375Nueces County, TXTX352,99212,206–

376Allen County, OHOH100,88112,200–

377Davidson County, NCNC180,18212,167–

378Coweta County, GAGA160,24012,157–

379Bernalillo County, NMNM667,60112,124–

380Scotland County, NCNC33,32212,110–

381Niagara County, NYNY208,91212,018–

382Putnam County, FLFL77,73412,018–

383Walker County, TXTX83,84212,005–

384Jackson County, MIMI159,55211,804–

385Marengo County, ALAL18,31111,740–

386Sarasota County, FLFL479,95811,672–

387Clarke County, ALAL22,01411,663–

388Morris County, NJNJ524,25111,620–

389Pasquotank County, NCNC42,20111,597–

390Newberry County, SCSC39,56111,555–

391Halifax County, VAVA33,44711,424–

392Lee County, SCSC15,73011,422–

393Ocean County, NJNJ673,74611,343–

394Sumter County, ALAL11,58811,290–

395Clay County, MSMS18,23811,260–

396Bladen County, NCNC30,00711,211–

397Mecklenburg County, VAVA30,74711,199–

398Fayette County, TNTN45,07111,196–

399Barbour County, ALAL24,60711,194–

400Bulloch County, GAGA86,94911,191–

401De Soto Parish, LALA27,38111,189–

402Martin County, NCNC21,60111,180–

403Anderson County, TXTX59,80511,158–

404Anson County, NCNC21,75811,071–

405Monroe County, MSMS33,31811,034–

406Carroll County, GAGA131,03611,003–

407Elmore County, ALAL91,57710,973–

408Floyd County, GAGA101,37810,966–

409Norfolk County, MAMA739,74910,946–

410Wichita County, TXTX129,55510,918–

411Moore County, NCNC110,61910,846–

412Accomack County, VAVA33,85910,836–

413Burke County, GAGA24,40810,741–

414York County, PAPA473,19710,721–

415Ouachita County, ARAR21,73110,715–

416Jackson County, FLFL49,62910,676–

417Catawba County, NCNC170,17210,666–

418Angelina County, TXTX88,15410,654–

419Lafourche Parish, LALA95,50510,596–

420Rutherford County, TNTN386,35210,560–

421Avoyelles Parish, LALA37,94110,523–

422Bamberg County, SCSC12,79610,399–

423St. James Parish, LALA18,93810,333–

424Beaver County, PAPA166,03210,308–

425Collin County, TXTX1,297,17910,305–

426Dane County, WIWI590,37510,296–

427St. Mary's County, MDMD116,69210,254–

428Acadia Parish, LALA57,03210,236–

429Rock Island County, ILIL141,86910,224–

430Tallapoosa County, ALAL40,95310,203–

431St. Charles Parish, LALA50,58610,198–

432Peach County, GAGA29,87710,015–

433Macomb County, MIMI886,22110,002–

434Meriwether County, GAGA21,5169,995–

435Escambia County, ALAL36,6659,964–

436Decatur County, GAGA29,4329,929–

437Morgan County, ALAL126,4839,910–

438Washington County, GAGA19,4539,884–

439Hampton County, SCSC18,1749,871–

440Warren County, NCNC18,8989,851–

441Hoke County, NCNC56,9399,831–

442Madison County, ININ135,0889,819–

443Richland County, OHOH124,8939,744–

444Jefferson County, GAGA15,0119,723–

445Mitchell County, GAGA20,4679,694–

446Hardin County, KYKY113,4829,693–

447Essex County, MAMA826,6539,639–

448Haywood County, TNTN17,0429,611–

449LaPorte County, ININ111,2949,596–

450Salem County, NJNJ66,2809,553–

451Pike County, ALAL33,6889,552–

452Greene County, OHOH174,3229,543–

453Lee County, NCNC70,2589,401–

454Lowndes County, ALAL9,3599,385–

455Muskogee County, OKOK66,7089,376–

456Monroe County, ALAL18,9659,356–

457Wilcox County, ALAL9,6669,350–

458Berks County, PAPA440,0729,350–

459Newton County, GAGA125,5839,328–

460Santa Barbara County, CACA442,0659,327–

461Brunswick County, VAVA15,7279,322–

462Claiborne County, MSMS8,0589,296–

463Tift County, GAGA42,2549,250–

464Pointe Coupee Parish, LALA19,5209,230–

465Scott County, MSMS28,0739,202–

466Brunswick County, NCNC174,7029,177–

467Cherokee County, SCSC58,2759,162–

468Ware County, GAGA36,9069,156–

469Hale County, ALAL15,1949,117–

470Union County, SCSC26,7999,102–

471Person County, NCNC40,6369,092–

472Lincoln County, MSMS35,0129,028–

473East Feliciana Parish, LALA18,9119,015–

474Columbia County, ARAR21,8949,014–

475Gibson County, TNTN51,7798,925–

476Grenada County, MSMS20,8688,896–

477Rusk County, TXTX54,8548,895–

478Nacogdoches County, TXTX66,0358,881–

479Somerset County, MDMD24,9738,881–

480Jasper County, SCSC38,5338,877–

481Tallahatchie County, MSMS10,8778,854–

482Tipton County, TNTN62,2878,840–

483Lancaster County, PAPA563,1598,821–

484Butler County, ALAL18,1008,794–

485Colquitt County, GAGA47,4388,791–

486Hardeman County, TNTN25,2748,786–

487Chatham County, NCNC85,1118,776–

488Dale County, ALAL49,9128,744–

489Chicot County, ARAR9,1078,743–

490Pender County, NCNC72,1118,743–

491Waller County, TXTX69,8588,742–

492Barnwell County, SCSC20,6538,722–

493Pickens County, ALAL18,2218,705–

494Jasper County, MSMS15,7858,686–

495DeSoto County, MSMS197,9188,660–

496Evangeline Parish, LALA31,9808,636–

497Miller County, ARAR42,3578,609–

498Charlottesville, VAVA44,3888,602–

499Colbert County, ALAL59,4748,594–

500Noxubee County, MSMS9,7988,562–

SHOWING 1–500 OF 3,122

Download CSV (full list, 3,122 rows)

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

Frequently asked

Which county has the highest black population?

Cook County, Illinois ranks #1 with 1,302,746 (1990 Decennial Census).

What are the top 5 counties by black population?

Cook County, Illinois, Los Angeles County, California, Wayne County, Michigan, Kings County, New York, Philadelphia County, Pennsylvania.

How many counties are in this ranking?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is black population measured?

Number of residents who are Black or African American (derived from the ACS race table B03002). Source: US Census Bureau, 1990 Decennial Census.