County Maps US

US counties starting with B

221 counties and county-equivalents, which is 7% of the 3,144 in the United States. They are spread across 44 states. Sort any column, or select a county for its map and full data.

Every county beginning with B

US counties and county-equivalents starting with B
NameStatePopulationLand areaDensityMedian incomeSeatFIPS
Baca CountyColorado3,3472,555 sq mi1.3 per sq mi$46,215Springfield08009
Bacon CountyGeorgia11,070284.1 sq mi39.0 per sq mi$44,694Alma13005
Bailey CountyTexas6,963827 sq mi8.4 per sq mi$61,420Muleshoe48017
Baker CountyFlorida29,737585.2 sq mi50.8 per sq mi$79,836Macclenny12003
Baker CountyGeorgia2,725342 sq mi8.0 per sq mi$46,012Newton13007
Baker CountyOregon16,6583,068 sq mi5.4 per sq mi$60,936Baker City41001
Baldwin CountyAlabama267,7611,590 sq mi168 per sq mi$78,775Bay Minette01003
Baldwin CountyGeorgia44,029258.7 sq mi170 per sq mi$54,403Milledgeville13009
Ballard CountyKentucky7,594247.1 sq mi30.7 per sq mi$66,164Wickliffe21007
Baltimore CountyMaryland847,650598.4 sq mi1,417 per sq mi$91,768Towson24005
Baltimore cityMaryland569,99780.9 sq mi7,042 per sq mi$62,177Baltimore city24510
Bamberg CountySouth Carolina12,796393.4 sq mi32.5 per sq mi$44,370Bamberg45009
Bandera CountyTexas22,876791 sq mi28.9 per sq mi$75,813Bandera48019
Banks CountyGeorgia21,273232.7 sq mi91.4 per sq mi$77,063Homer13011
Banner CountyNebraska686746 sq mi0.92 per sq mi$78,839Harrisburg31007
Bannock CountyIdaho91,5911,112 sq mi82.3 per sq mi$66,499Pocatello16005
Baraga CountyMichigan8,169898.4 sq mi9.1 per sq mi$55,327L'Anse26013
Barber CountyKansas4,0831,134 sq mi3.6 per sq mi$61,926Medicine Lodge20007
Barbour CountyAlabama24,607885 sq mi27.8 per sq mi$46,042Clayton01005
Barbour CountyWest Virginia15,414341.1 sq mi45.2 per sq mi$51,394Philippi54001
Barnes CountyNorth Dakota10,5731,492 sq mi7.1 per sq mi$68,038Valley City38003
Barnstable CountyMassachusetts233,539394.2 sq mi592 per sq mi$95,241Barnstable25001
Barnwell CountySouth Carolina20,653548.4 sq mi37.7 per sq mi$46,626Barnwell45011
Barren CountyKentucky45,641487.4 sq mi93.6 per sq mi$50,628Glasgow21009
Barron CountyWisconsin46,484863.1 sq mi53.9 per sq mi$65,933Barron55005
Barrow CountyGeorgia99,773161.1 sq mi619 per sq mi$80,653Winder13013
Barry CountyMichigan63,991553.1 sq mi116 per sq mi$77,500Hastings26015
Barry CountyMissouri36,200778.1 sq mi46.5 per sq mi$58,346Cassville29009
Bartholomew CountyIndiana85,729406.9 sq mi211 per sq mi$79,901Columbus18005
Barton CountyKansas24,790895.3 sq mi27.7 per sq mi$58,851Great Bend20009
Barton CountyMissouri11,795592 sq mi19.9 per sq mi$51,635Lamar29011
Bartow CountyGeorgia120,800458.9 sq mi263 per sq mi$82,243Cartersville13015
Bastrop CountyTexas118,908888.2 sq mi134 per sq mi$86,226Bastrop48021
Bates CountyMissouri16,512836.7 sq mi19.7 per sq mi$60,733Butler29013
Bath CountyKentucky13,176278 sq mi47.4 per sq mi$56,541Owingsville21011
Bath CountyVirginia4,076529.2 sq mi7.7 per sq mi$56,184Warm Springs51017
Baxter CountyArkansas42,982553.9 sq mi77.6 per sq mi$48,452Mountain Home05005
Bay CountyFlorida204,479758.6 sq mi270 per sq mi$73,533Panama City12005
Bay CountyMichigan102,123442.4 sq mi231 per sq mi$61,763Bay City26017
Bayfield CountyWisconsin16,7871,478 sq mi11.4 per sq mi$71,151Washburn55007
Baylor CountyTexas3,472867.5 sq mi4.0 per sq mi$45,370Seymour48023
Beadle CountySouth Dakota19,6241,259 sq mi15.6 per sq mi$67,681Huron46005
Bear Lake CountyIdaho6,727975.7 sq mi6.9 per sq mi$75,260Paris16007
Beaufort CountyNorth Carolina44,670832.7 sq mi53.6 per sq mi$58,357Washington37013
Beaufort CountySouth Carolina204,433576 sq mi355 per sq mi$86,573Beaufort45013
Beauregard ParishLouisiana36,6731,157 sq mi31.7 per sq mi$65,944DeRidder22011
Beaver CountyOklahoma4,8821,815 sq mi2.7 per sq mi$64,276Beaver40007
Beaver CountyPennsylvania166,032434.7 sq mi382 per sq mi$71,089Beaver42007
Beaver CountyUtah7,3012,583 sq mi2.8 per sq mi$79,360Beaver49001
Beaverhead CountyMontana10,0435,543 sq mi1.8 per sq mi$61,268Dillon30001
Becker CountyMinnesota35,4971,315 sq mi27.0 per sq mi$71,388Detroit Lakes27005
Beckham CountyOklahoma22,159901.7 sq mi24.6 per sq mi$53,328Sayre40009
Bedford CountyPennsylvania47,4801,012 sq mi46.9 per sq mi$59,992Bedford42009
Bedford CountyTennessee55,273473.6 sq mi117 per sq mi$67,225Shelbyville47003
Bedford CountyVirginia83,059760.1 sq mi109 per sq mi$78,937Bedford51019
Bee CountyTexas32,515880.2 sq mi36.9 per sq mi$57,673Beeville48025
Belknap CountyNew Hampshire65,147401.9 sq mi162 per sq mi$92,783Laconia33001
Bell CountyKentucky22,829359 sq mi63.6 per sq mi$31,354Pineville21013
Bell CountyTexas402,2481,054 sq mi382 per sq mi$68,865Belton48027
Belmont CountyOhio64,434532.2 sq mi121 per sq mi$57,017St. Clairsville39013
Beltrami CountyMinnesota47,0552,505 sq mi18.8 per sq mi$68,975Bemidji27007
Ben Hill CountyGeorgia17,099250.1 sq mi68.4 per sq mi$41,758Fitzgerald13017
Benewah CountyIdaho10,508776.9 sq mi13.5 per sq mi$59,794St. Maries16009
Bennett CountySouth Dakota3,3071,185 sq mi2.8 per sq mi$53,750Martin46007
Bennington CountyVermont36,630674.2 sq mi54.3 per sq mi$73,325Bennington50003
Benson CountyNorth Dakota5,7591,389 sq mi4.2 per sq mi$64,033Minnewaukan38005
Bent CountyColorado5,7161,513 sq mi3.8 per sq mi$50,179Las Animas08011
Benton CountyArkansas332,554847.7 sq mi392 per sq mi$93,506Bentonville05007
Benton CountyIndiana8,883406.4 sq mi21.9 per sq mi$65,875Fowler18007
Benton CountyIowa26,004716.1 sq mi36.3 per sq mi$86,962Vinton19011
Benton CountyMinnesota41,744408.3 sq mi102 per sq mi$74,410Foley27009
Benton CountyMississippi7,502406.6 sq mi18.4 per sq mi$46,016Ashland28009
Benton CountyMissouri20,536704 sq mi29.2 per sq mi$52,567Warsaw29015
Benton CountyOregon97,728675.2 sq mi145 per sq mi$77,702Corvallis41003
Benton CountyTennessee16,183394.3 sq mi41.0 per sq mi$51,746Camden47005
Benton CountyWashington221,7221,700 sq mi130 per sq mi$89,874Prosser53005
Benzie CountyMichigan18,568319.7 sq mi58.1 per sq mi$74,834Beulah26019
Bergen CountyNew Jersey977,026232.8 sq mi4,197 per sq mi$124,884Hackensack34003
Berkeley CountySouth Carolina274,6661,104 sq mi249 per sq mi$84,358Moncks Corner45015
Berkeley CountyWest Virginia139,522321.1 sq mi434 per sq mi$80,815Martinsburg54003
Berks CountyPennsylvania440,072856.4 sq mi514 per sq mi$79,777Reading42011
Berkshire CountyMassachusetts128,224926.9 sq mi138 per sq mi$76,013Pittsfield25003
Bernalillo CountyNew Mexico667,6011,161 sq mi575 per sq mi$69,473Albuquerque35001
Berrien CountyGeorgia18,932453.4 sq mi41.8 per sq mi$52,876Nashville13019
Berrien CountyMichigan152,444567.8 sq mi268 per sq mi$65,425St. Joseph26021
Bertie CountyNorth Carolina17,086699.2 sq mi24.4 per sq mi$48,750Windsor37015
Bethel Census AreaAlaska18,39140,655 sq mi0.45 per sq mi$73,996Not available02050
Bexar CountyTexas2,160,0881,240 sq mi1,741 per sq mi$72,341San Antonio48029
Bibb CountyAlabama22,262622.5 sq mi35.8 per sq mi$52,541Centreville01007
Bibb CountyGeorgia157,556249.4 sq mi632 per sq mi$51,234Macon13021
Bienville ParishLouisiana12,269811.3 sq mi15.1 per sq mi$35,011Arcadia22013
Big Horn CountyMontana12,7524,998 sq mi2.6 per sq mi$58,750Hardin30003
Big Horn CountyWyoming12,0243,137 sq mi3.8 per sq mi$62,101Basin56003
Big Stone CountyMinnesota5,054499.1 sq mi10.1 per sq mi$70,400Ortonville27011
Billings CountyNorth Dakota1,0711,148 sq mi0.93 per sq mi$86,806Medora38007
Bingham CountyIdaho51,1532,094 sq mi24.4 per sq mi$77,878Blackfoot16011
Black Hawk CountyIowa131,532565.8 sq mi232 per sq mi$66,417Waterloo19013
Blackford CountyIndiana11,730165.1 sq mi71.1 per sq mi$51,326Hartford City18009
Bladen CountyNorth Carolina30,007875 sq mi34.3 per sq mi$42,422Elizabethtown37017
Blaine CountyIdaho25,5172,638 sq mi9.7 per sq mi$92,566Hailey16013
Blaine CountyMontana6,8604,228 sq mi1.6 per sq mi$64,813Chinook30005
Blaine CountyNebraska458710.7 sq mi0.64 per sq mi$69,583Brewster31009
Blaine CountyOklahoma8,515928.5 sq mi9.2 per sq mi$61,642Watonga40011
Blair CountyPennsylvania119,541525.1 sq mi228 per sq mi$62,382Hollidaysburg42013
Blanco CountyTexas13,581709.3 sq mi19.1 per sq mi$92,425Johnson City48031
Bland CountyVirginia6,151357.6 sq mi17.2 per sq mi$61,216Bland51021
Bleckley CountyGeorgia12,866215.9 sq mi59.6 per sq mi$62,008Cochran13023
Bledsoe CountyTennessee15,920406.6 sq mi39.2 per sq mi$54,720Pikeville47007
Blount CountyAlabama60,156644.9 sq mi93.3 per sq mi$64,190Oneonta01009
Blount CountyTennessee143,820558.8 sq mi257 per sq mi$77,365Maryville47009
Blue Earth CountyMinnesota70,634747.8 sq mi94.5 per sq mi$74,477Mankato27013
Boise CountyIdaho8,5451,899 sq mi4.5 per sq mi$78,774Idaho City16015
Bolivar CountyMississippi28,262876.5 sq mi32.2 per sq mi$39,585Cleveland28011
Bollinger CountyMissouri10,646617.9 sq mi17.2 per sq mi$63,814Marble Hill29017
Bon Homme CountySouth Dakota7,244563.5 sq mi12.9 per sq mi$64,435Tyndall46009
Bond CountyIllinois16,959380.3 sq mi44.6 per sq mi$65,959Greenville17005
Bonner CountyIdaho54,4201,733 sq mi31.4 per sq mi$66,979Sandpoint16017
Bonneville CountyIdaho135,7711,866 sq mi72.8 per sq mi$79,068Idaho Falls16019
Boone CountyArkansas38,628589.7 sq mi65.5 per sq mi$55,143Harrison05009
Boone CountyIllinois53,568280.7 sq mi191 per sq mi$84,571Belvidere17007
Boone CountyIndiana80,689422.9 sq mi191 per sq mi$111,250Lebanon18011
Boone CountyIowa26,799570.5 sq mi47.0 per sq mi$83,531Boone19015
Boone CountyKentucky145,316246.3 sq mi590 per sq mi$99,414Burlington21015
Boone CountyMissouri191,746685.6 sq mi280 per sq mi$72,758Columbia29019
Boone CountyNebraska5,355686.5 sq mi7.8 per sq mi$74,947Albion31011
Boone CountyWest Virginia20,251502.4 sq mi40.3 per sq mi$57,093Madison54005
Borden CountyTexas567897.4 sq mi0.63 per sq mi$65,625Gail48033
Bosque CountyTexas18,918983 sq mi19.2 per sq mi$68,914Meridian48035
Bossier ParishLouisiana131,867839.6 sq mi157 per sq mi$69,617Benton22015
Botetourt CountyVirginia34,144541.3 sq mi63.1 per sq mi$81,213Fincastle51023
Bottineau CountyNorth Dakota6,2841,669 sq mi3.8 per sq mi$85,000Bottineau38009
Boulder CountyColorado328,560726.4 sq mi452 per sq mi$103,994Boulder08013
Boundary CountyIdaho13,9971,269 sq mi11.0 per sq mi$67,237Bonners Ferry16021
Bourbon CountyKansas14,319635.5 sq mi22.5 per sq mi$59,238Fort Scott20011
Bourbon CountyKentucky20,243289.8 sq mi69.9 per sq mi$61,354Paris21017
Bowie CountyTexas92,696884.9 sq mi105 per sq mi$59,803Boston48037
Bowman CountyNorth Dakota2,7621,162 sq mi2.4 per sq mi$72,109Bowman38011
Box Butte CountyNebraska10,4941,075 sq mi9.8 per sq mi$68,892Alliance31013
Box Elder CountyUtah65,3205,781 sq mi11.3 per sq mi$84,550Brigham City49003
Boyd CountyKentucky47,751159.9 sq mi299 per sq mi$61,118Catlettsburg21019
Boyd CountyNebraska1,674539.4 sq mi3.1 per sq mi$67,045Butte31015
Boyle CountyKentucky31,632180.3 sq mi175 per sq mi$61,159Danville21021
Bracken CountyKentucky8,511202.7 sq mi42.0 per sq mi$66,319Brooksville21023
Bradford CountyFlorida28,307294 sq mi96.3 per sq mi$63,050Starke12007
Bradford CountyPennsylvania59,6001,147 sq mi51.9 per sq mi$63,675Towanda42015
Bradley CountyArkansas9,828649.2 sq mi15.1 per sq mi$41,476Warren05011
Bradley CountyTennessee115,465328.8 sq mi351 per sq mi$66,552Cleveland47011
Branch CountyMichigan45,993506.4 sq mi90.8 per sq mi$63,724Coldwater26023
Brantley CountyGeorgia18,936443.2 sq mi42.7 per sq mi$58,239Nahunta13025
Braxton CountyWest Virginia11,885510.7 sq mi23.3 per sq mi$50,331Sutton54007
Brazoria CountyTexas419,0801,363 sq mi307 per sq mi$97,993Angleton48039
Brazos CountyTexas249,088586.2 sq mi425 per sq mi$58,553Bryan48041
Breathitt CountyKentucky12,558492.4 sq mi25.5 per sq mi$34,808Jackson21025
Breckinridge CountyKentucky21,503569.7 sq mi37.7 per sq mi$55,843Hardinsburg21027
Bremer CountyIowa25,296435.5 sq mi58.1 per sq mi$86,784Waverly19017
Brevard CountyFlorida663,9821,015 sq mi654 per sq mi$78,476Titusville12009
Brewster CountyTexas9,4586,184 sq mi1.5 per sq mi$56,212Alpine48043
Briscoe CountyTexas1,474900 sq mi1.6 per sq mi$45,417Silverton48045
Bristol CountyMassachusetts593,640553.1 sq mi1,073 per sq mi$85,625Taunton25005
Bristol CountyRhode Island50,00124.1 sq mi2,072 per sq mi$114,490Bristol44001
Bristol cityVirginia16,41812.9 sq mi1,275 per sq mi$50,404Bristol city51520
Bristol Bay BoroughAlaska847481.4 sq mi1.8 per sq mi$95,625Naknek02060
Broadwater CountyMontana8,4931,192 sq mi7.1 per sq mi$70,374Townsend30007
Bronx CountyNew York1,406,33242.2 sq mi33,325 per sq mi$48,676Bronx36005
Brooke CountyWest Virginia21,14289.0 sq mi237 per sq mi$54,316Wellsburg54009
Brookings CountySouth Dakota37,635792.2 sq mi47.5 per sq mi$70,064Brookings46011
Brooks CountyGeorgia16,101493.2 sq mi32.6 per sq mi$46,807Quitman13027
Brooks CountyTexas6,579943.4 sq mi7.0 per sq mi$47,764Falfurrias48047
Broome CountyNew York195,736705.7 sq mi277 per sq mi$62,616Binghamton36007
Broomfield CountyColorado79,17433.0 sq mi2,402 per sq mi$123,874Broomfield08014
Broward CountyFlorida2,013,3171,203 sq mi1,674 per sq mi$77,633Fort Lauderdale12011
Brown CountyIllinois6,401305.7 sq mi20.9 per sq mi$67,917Mount Sterling17009
Brown CountyIndiana15,777312 sq mi50.6 per sq mi$78,528Nashville18013
Brown CountyKansas9,104570.9 sq mi15.9 per sq mi$62,233Hiawatha20013
Brown CountyMinnesota25,517611.1 sq mi41.8 per sq mi$69,378New Ulm27015
Brown CountyNebraska2,8261,221 sq mi2.3 per sq mi$54,676Ainsworth31017
Brown CountyOhio44,397489.6 sq mi90.7 per sq mi$71,270Georgetown39015
Brown CountySouth Dakota37,5611,713 sq mi21.9 per sq mi$70,898Aberdeen46013
Brown CountyTexas38,711944.5 sq mi41.0 per sq mi$57,470Brownwood48049
Brown CountyWisconsin275,803530.1 sq mi520 per sq mi$79,649Green Bay55009
Brule CountySouth Dakota5,278817.2 sq mi6.5 per sq mi$73,720Chamberlain46015
Brunswick CountyNorth Carolina174,702849.5 sq mi206 per sq mi$77,024Bolivia37019
Brunswick CountyVirginia15,727566.4 sq mi27.8 per sq mi$53,084Lawrenceville51025
Bryan CountyGeorgia52,062437.6 sq mi119 per sq mi$103,408Pembroke13029
Bryan CountyOklahoma51,367904.3 sq mi56.8 per sq mi$57,225Durant40013
Buchanan CountyIowa20,883571.1 sq mi36.6 per sq mi$78,236Independence19019
Buchanan CountyMissouri83,540408.2 sq mi205 per sq mi$62,158St. Joseph29021
Buchanan CountyVirginia18,492502.9 sq mi36.8 per sq mi$42,886Grundy51027
Buckingham CountyVirginia17,137579.6 sq mi29.6 per sq mi$60,828Buckingham51029
Bucks CountyPennsylvania647,828604.4 sq mi1,072 per sq mi$114,764Doylestown42017
Buena Vista CountyIowa20,449574.9 sq mi35.6 per sq mi$71,719Storm Lake19021
Buena Vista cityVirginia6,6726.4 sq mi1,036 per sq mi$57,833Buena Vista city51530
Buffalo CountyNebraska51,172968.2 sq mi52.9 per sq mi$75,911Kearney31019
Buffalo CountySouth Dakota1,802471.4 sq mi3.8 per sq mi$47,045Gann Valley46017
Buffalo CountyWisconsin13,318675.8 sq mi19.7 per sq mi$70,479Alma55011
Bullitt CountyKentucky86,454297.1 sq mi291 per sq mi$80,558Shepherdsville21029
Bulloch CountyGeorgia86,949676 sq mi129 per sq mi$58,810Statesboro13031
Bullock CountyAlabama9,780622.8 sq mi15.7 per sq mi$31,310Union Springs01011
Buncombe CountyNorth Carolina277,417656.5 sq mi423 per sq mi$74,436Asheville37021
Bureau CountyIllinois32,510869.1 sq mi37.4 per sq mi$69,257Princeton17011
Burke CountyGeorgia24,408827 sq mi29.5 per sq mi$53,014Waynesboro13033
Burke CountyNorth Carolina88,655506.2 sq mi175 per sq mi$58,592Morganton37023
Burke CountyNorth Dakota2,1321,104 sq mi1.9 per sq mi$91,591Bowbells38013
Burleigh CountyNorth Dakota103,2511,633 sq mi63.2 per sq mi$86,851Bismarck38015
Burleson CountyTexas20,549659.1 sq mi31.2 per sq mi$70,000Caldwell48051
Burlington CountyNew Jersey481,439799.3 sq mi602 per sq mi$108,111Mount Holly34005
Burnet CountyTexas57,015994.8 sq mi57.3 per sq mi$78,732Burnet48053
Burnett CountyWisconsin17,223821.6 sq mi21.0 per sq mi$62,819Siren55013
Burt CountyNebraska6,678491.6 sq mi13.6 per sq mi$63,685Tekamah31021
Butler CountyAlabama18,100776.8 sq mi23.3 per sq mi$44,755Greenville01013
Butler CountyIowa14,049580.1 sq mi24.2 per sq mi$73,715Allison19023
Butler CountyKansas69,4841,430 sq mi48.6 per sq mi$81,610El Dorado20015
Butler CountyKentucky12,520426.1 sq mi29.4 per sq mi$56,092Morgantown21031
Butler CountyMissouri41,904694.8 sq mi60.3 per sq mi$49,089Poplar Bluff29023
Butler CountyNebraska8,507584.8 sq mi14.5 per sq mi$79,268David City31023
Butler CountyOhio400,128466.5 sq mi858 per sq mi$81,590Hamilton39017
Butler CountyPennsylvania200,169789.5 sq mi254 per sq mi$89,843Butler42019
Butte CountyCalifornia209,2111,637 sq mi128 per sq mi$67,928Oroville06007
Butte CountyIdaho2,7832,236 sq mi1.2 per sq mi$53,015Arco16023
Butte CountySouth Dakota10,8562,250 sq mi4.8 per sq mi$75,652Belle Fourche46019
Butts CountyGeorgia27,218183.7 sq mi148 per sq mi$69,241Jackson13035

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Retrieved 30 August 2026.