Which county has the highest total population?

Los Angeles County, California ranks #1 with 10,014,009 (2020 Decennial Census).

What are the top 5 counties by total population?

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

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 total population measured?

Total resident population. Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Largest by population, US counties · 2020

The most populous US counties as of the 2020 population estimates.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

2001Potter County, PAPA16,396−9%

2002Clay County, IAIA16,384−6%

2003Alamosa County, COCO16,376+9%

2004Jasper County, MSMS16,367−10%

2005Atchison County, KSKS16,348−3%

2006Fayette County, ALAL16,321−12%

2007Hill County, MTMT16,309−2%

2008Brooks County, GAGA16,301−1%

2009Lawrence County, KYKY16,293+5%

2010Dade County, GAGA16,251+7%

2011Wayne County, TNTN16,232−4%

2012Bayfield County, WIWI16,220+8%

2013Lawrence County, ARAR16,216−9%

2014Wayne County, ILIL16,179−6%

2015Long County, GAGA16,168+57%

2016Parke County, ININ16,156−6%

2017Union County, FLFL16,147+20%

2018Appomattox County, VAVA16,119+18%

2019Crawford County, WIWI16,113−7%

2020Trinity County, CACA16,112+24%

2021Radford, VAVA16,070+1%

2022Bates County, MOMO16,042−4%

2023Rockcastle County, KYKY16,037−3%

2024Kanabec County, MNMN16,032+7%

2025Ashland County, WIWI16,027−5%

2026Casey County, KYKY15,941+3%

2027Otoe County, NENE15,912+3%

2028Neosho County, KSKS15,904−6%

2029Benton County, TNTN15,864−4%

2030Brunswick County, VAVA15,849−14%

2031Sevier County, ARAR15,839+1%

2032Sequatchie County, TNTN15,826+39%

2033Richland County, ILIL15,813−2%

2034Van Buren County, ARAR15,796−2%

2035Osage County, KSKS15,766−6%

2036Leon County, TXTX15,719+3%

2037Grand County, COCO15,717+26%

2038Jefferson County, GAGA15,709−9%

2039Carroll County, ILIL15,702−6%

2040Mercer County, ILIL15,699−7%

2041Aitkin County, MNMN15,697+3%

2042Henry County, KYKY15,678+4%

2043Jefferson County, IAIA15,663−3%

2044Pemiscot County, MOMO15,661−22%

2045Nottoway County, VAVA15,642−1%

2046Floyd County, IAIA15,627−8%

2047Clarke County, MSMS15,615−13%

2048Gooding County, IDID15,598+10%

2049Marquette County, WIWI15,592−2%

2050Pawnee County, OKOK15,553−6%

2051De Witt County, ILIL15,516−8%

2052Floyd County, VAVA15,476+12%

2053Brown County, ININ15,475+3%

2054Moniteau County, MOMO15,473+4%

2055Barbour County, WVWV15,465−1%

2056Clark County, ILIL15,455−9%

2057Vermillion County, ININ15,439−8%

2058Redwood County, MNMN15,425−8%

2059Williamsburg, VAVA15,425+29%

2060Washington County, ALAL15,388−15%

2061Tipton County, ININ15,359−7%

2062Grayson County, VAVA15,333−14%

2063Roseau County, MNMN15,331−6%

2064Marshall County, OKOK15,312+16%

2065West Feliciana Parish, LALA15,310+1%

2066Lawrence County, ILIL15,280−1%

2067Alleghany County, VAVA15,223+18%

2068Page County, IAIA15,211−10%

2069Macon County, MOMO15,209−4%

2070Pecos County, TXTX15,193−10%

2071Kingfisher County, OKOK15,184+9%

2072Fleming County, KYKY15,082+9%

2073Cleburne County, ALAL15,056+7%

2074Missaukee County, MIMI15,052+4%

2075Torrance County, NMNM15,045−11%

2076Hamilton County, IAIA15,039−9%

2077Jackson Parish, LALA15,031−2%

2078Arenac County, MIMI15,002−13%

2079Jackson County, TXTX14,988+4%

2080Clay County, SDSD14,967+11%

2081Bledsoe County, TNTN14,913+21%

2082Mitchell County, NCNC14,903−5%

2083Larue County, KYKY14,867+11%

2084Sibley County, MNMN14,836−3%

2085Kossuth County, IAIA14,828−14%

2086Oglethorpe County, GAGA14,825+17%

2087Gasconade County, MOMO14,794−4%

2088LaSalle Parish, LALA14,791+4%

2089Hale County, ALAL14,785−14%

2090Clarke County, VAVA14,783+17%

2091Jeff Davis County, GAGA14,779+17%

2092Nelson County, VAVA14,775+2%

2093Reeves County, TXTX14,748+12%

2094Pike County, ILIL14,739−15%

2095Nolan County, TXTX14,738−7%

2096Renville County, MNMN14,723−14%

2097Karnes County, TXTX14,710−5%

2098McKenzie County, NDND14,704+156%

2099Falls Church, VAVA14,658+41%

2100Pendleton County, KYKY14,644+2%

2101Jasper County, GAGA14,588+28%

2102Harrison County, IAIA14,582−7%

2103Livingston County, MOMO14,557−0%

2104Fulton County, PAPA14,556+2%

2105Las Animas County, COCO14,555−4%

2106Clay County, ARAR14,552−17%

2107Carbon County, WYWY14,537−7%

2108Moultrie County, ILIL14,526+2%

2109San Juan County, UTUT14,518+1%

2110Jefferson County, FLFL14,510+12%

2111Cannon County, TNTN14,506+13%

2112Mills County, IAIA14,484−0%

2113Harrison County, OHOH14,483−9%

2114Wetzel County, WVWV14,442−18%

2115Dent County, MOMO14,421−3%

2116Gogebic County, MIMI14,380−17%

2117Bourbon County, KSKS14,360−7%

2118Butler County, IAIA14,334−6%

2119Hardy County, WVWV14,299+13%

2120Saline County, NENE14,292+3%

2121Nantucket County, MAMA14,255+50%

2122Knott County, KYKY14,251−19%

2123Clay County, ALAL14,236−0%

2124Smith County, MSMS14,209−12%

2125Choctaw County, OKOK14,204−7%

2126Franklin County, IDID14,194+25%

2127Gulf County, FLFL14,192+6%

2128Rusk County, WIWI14,188−8%

2129Cedar County, MOMO14,188+3%

2130O'Brien County, IAIA14,182−6%

2131Claiborne Parish, LALA14,170−16%

2132Massac County, ILIL14,169−7%

2133Estill County, KYKY14,163−7%

2134Atoka County, OKOK14,143+2%

2135York County, NENE14,125−3%

2136Dickenson County, VAVA14,124−14%

2137Calhoun County, SCSC14,119−7%

2138Swain County, NCNC14,117+9%

2139Noble County, OHOH14,115+0%

2140Craig County, OKOK14,107−6%

2141Screven County, GAGA14,067−9%

2142Wadena County, MNMN14,065+3%

2143Allamakee County, IAIA14,061−4%

2144Trigg County, KYKY14,061+12%

2145Price County, WIWI14,054−11%

2146Roane County, WVWV14,028−9%

2147Hamilton County, FLFL14,004+5%

2148Pennington County, MNMN13,992+3%

2149Lamar County, ALAL13,972−12%

2150Ketchikan Gateway, AKAK13,948−1%

2151Faribault County, MNMN13,921−14%

2152Crockett County, TNTN13,911−4%

2153Murray County, OKOK13,904+10%

2154Zapata County, TXTX13,889+14%

2155Walthall County, MSMS13,884−8%

2156White County, ILIL13,877−10%

2157Madison County, VAVA13,837+11%

2158Newton County, ININ13,830−5%

2159Morgan County, OHOH13,802−7%

2160Glacier County, MTMT13,778+4%

2161Washington County, ILIL13,761−9%

2162Winn Parish, LALA13,755−19%

2163Converse County, WYWY13,751+14%

2164Morgan County, KYKY13,726−2%

2165Breathitt County, KYKY13,718−15%

2166Chowan County, NCNC13,708−6%

2167Callahan County, TXTX13,708+6%

2168Oglala Lakota County, SDSD13,672–

2169Union County, KYKY13,668−13%

2170Stewart County, TNTN13,657+10%

2171Calhoun County, FLFL13,648+5%

2172Trinity County, TXTX13,602−1%

2173Comanche County, TXTX13,594−3%

2174Izard County, ARAR13,577+2%

2175Ford County, ILIL13,534−5%

2176Greene County, MSMS13,530+2%

2177Grundy County, TNTN13,529−6%

2178Martinsville, VAVA13,485−13%

2179Madison County, TXTX13,455+4%

2180Pend Oreille County, WAWA13,401+14%

2181Fremont County, IDID13,388+13%

2182Monroe County, OHOH13,385−12%

2183Hughes County, OKOK13,367−6%

2184Archuleta County, COCO13,359+35%

2185Buffalo County, WIWI13,317−4%

2186Bamberg County, SCSC13,311−20%

2187Johnson County, ILIL13,308+3%

2188Moffat County, COCO13,292+1%

2189Clay County, ILIL13,288−9%

2190Osage County, MOMO13,274+2%

2191Calhoun County, MSMS13,266−12%

2192Amelia County, VAVA13,265+16%

2193Jackson County, KSKS13,232+5%

2194Mono County, CACA13,195+3%

2195Crenshaw County, ALAL13,194−3%

2196Shoshone County, IDID13,169−4%

2197Powell County, KYKY13,129−1%

2198Cass County, IAIA13,127−11%

2199Big Horn County, MTMT13,124+4%

2200Kodiak Island, AKAK13,101−6%

2201Mason County, ILIL13,086−18%

2202Lewis County, KYKY13,080−7%

2203Lamb County, TXTX13,045−11%

2204Cass County, ILIL13,042−5%

2205Webster County, KYKY13,017−8%

2206Perquimans County, NCNC13,005+14%

2207Crawford County, MIMI12,988−9%

2208Presque Isle County, MIMI12,982−10%

2209Bienville Parish, LALA12,981−18%

2210Millard County, UTUT12,975+5%

2211Jackson County, KYKY12,955−4%

2212Wright County, IAIA12,943−10%

2213Lincoln County, ARAR12,941−11%

2214Wilbarger County, TXTX12,887−12%

2215Vinton County, OHOH12,800−0%

2216Howard County, ARAR12,785−11%

2217Meigs County, TNTN12,758+15%

2218Bath County, KYKY12,750+15%

2219Amite County, MSMS12,720−6%

2220Tallahatchie County, MSMS12,715−15%

2221Choctaw County, ALAL12,665−20%

2222Caldwell County, KYKY12,649−3%

2223Madison County, MOMO12,626+7%

2224Chippewa County, MNMN12,598−4%

2225Bleckley County, GAGA12,583+8%

2226Lewis County, TNTN12,582+11%

2227Mississippi County, MOMO12,577−6%

2228Allen County, KSKS12,526−13%

2229Charlton County, GAGA12,518+22%

2230Pulaski County, ININ12,514−9%

2231Goshen County, WYWY12,498−0%

2232Towns County, GAGA12,493+34%

2233Yalobusha County, MSMS12,481−4%

2234Telfair County, GAGA12,477+6%

2235Camp County, TXTX12,464+8%

2236Poquoson, VAVA12,460+8%

2237Dawson County, TXTX12,456−17%

2238Franklin County, FLFL12,451+13%

2239Braxton County, WVWV12,447−15%

2240Sanders County, MTMT12,400+21%

2241Colfax County, NMNM12,387−13%

2242Monroe County, WVWV12,376−15%

2243Butler County, KYKY12,371−5%

2244Stone County, ARAR12,359+7%

2245Sumter County, ALAL12,345−17%

2246Grundy County, IAIA12,329−0%

2247Appanoose County, IAIA12,317−10%

2248Menard County, ILIL12,297−2%

2249Morgan County, UTUT12,295+72%

2250Northampton County, VAVA12,282−6%

2251Pamlico County, NCNC12,276−5%

2252Pike County, ININ12,250−5%

2253Todd County, KYKY12,243+2%

2254Newton County, TXTX12,217−19%

2255Rolette County, NDND12,187−11%

2256Morrow County, OROR12,186+11%

2257Rains County, TXTX12,164+33%

2258Union County, IAIA12,138−1%

2259Crawford County, GAGA12,130−3%

2260Edmonson County, KYKY12,126+4%

2261Glades County, FLFL12,126+15%

2262Blackford County, ININ12,112−14%

2263Lake County, MIMI12,096+7%

2264Jefferson County, MTMT12,085+20%

2265Macon County, GAGA12,082−14%

2266Fulton County, ARAR12,075+4%

2267Koochiching County, MNMN12,062−16%

2268Boundary County, IDID12,056+22%

2269Skamania County, WAWA12,036+22%

2270Washington County, KYKY12,027+10%

2271Little River County, ARAR12,026−12%

2272Lawrence County, MSMS12,016−9%

2273Chickasaw County, IAIA12,012−8%

2274Prowers County, COCO11,999−17%

2275Greene County, ILIL11,985−19%

2276Morris County, TXTX11,973−8%

2277Summers County, WVWV11,959−8%

2278Lunenburg County, VAVA11,936−9%

2279Lyon County, IAIA11,934+1%

2280Owyhee County, IDID11,913+12%

2281Linn County, MOMO11,874−14%

2282Custer County, MTMT11,867+1%

2283Northumberland County, VAVA11,839−3%

2284Terry County, TXTX11,831−7%

2285Marion County, KSKS11,823−12%

2286Juab County, UTUT11,786+43%

2287Valley County, IDID11,746+54%

2288Shelby County, IAIA11,746−11%

2289Marshall County, ILIL11,742−11%

2290Cherokee County, IAIA11,658−11%

2291Ward County, TXTX11,644+7%

2292Barton County, MOMO11,637−7%

2293Magoffin County, KYKY11,637−13%

2294Iron County, MIMI11,631−11%

2295Teton County, IDID11,630+94%

2296Jackson County, TNTN11,617+6%

2297Trousdale County, TNTN11,615+60%

2298Ramsey County, NDND11,605−4%

2299Conecuh County, ALAL11,597−18%

2300Red River County, TXTX11,587−19%

2301Douglas County, MOMO11,578−12%

2302Sierra County, NMNM11,576−13%

2303Haskell County, OKOK11,561−2%

2304Rio Grande County, COCO11,539−7%

2305Charlotte County, VAVA11,529−8%

2306Big Horn County, WYWY11,521+1%

2307Cottonwood County, MNMN11,517−5%

2308Perry County, MSMS11,511−5%

2309Richland County, MTMT11,491+19%

2310Fergus County, MTMT11,446−4%

2311Decatur County, TNTN11,435−3%

2312Heard County, GAGA11,412+4%

2313Desha County, ARAR11,395−26%

2314Greensville County, VAVA11,391−1%

2315Blanco County, TXTX11,374+35%

2316Wabash County, ILIL11,361−12%

2317Monroe County, KYKY11,338−4%

2318Live Oak County, TXTX11,335−8%

2319Montgomery County, MOMO11,322−7%

2320Jefferson Davis County, MSMS11,321−19%

2321Okfuskee County, OKOK11,310−4%

2322Pope County, MNMN11,308+1%

2323Martin County, KYKY11,287−10%

2324Owen County, KYKY11,278+7%

2325Watonwan County, MNMN11,253−5%

2326Dooly County, GAGA11,208−3%

2327Bacon County, GAGA11,140+10%

2328Green County, KYKY11,107−4%

2329Clay County, NCNC11,089+26%

2330Lake County, SDSD11,059−2%

2331North Slope, AKAK11,031+49%

2332DeKalb County, MOMO11,029−5%

2333Washington County, NCNC11,003−20%

2334Candler County, GAGA10,981+15%

2335Grant County, WVWV10,976−3%

2336McIntosh County, GAGA10,975+1%

2337Wayne County, MOMO10,974−17%

2338Noble County, OKOK10,924−4%

2339Washita County, OKOK10,924−5%

2340St. Helena Parish, LALA10,920+4%

2341Lancaster County, VAVA10,919−6%

2342Lake County, MNMN10,905−1%

2343Alleghany County, NCNC10,888+2%

2344Lincoln County, WAWA10,876+7%

2345Early County, GAGA10,854−12%

2346Barnes County, NDND10,853−8%

2347Box Butte County, NENE10,842−11%

2348Louisa County, IAIA10,837−11%

2349Mackinac County, MIMI10,834−9%

2350Sussex County, VAVA10,829−13%

2351Pushmataha County, OKOK10,812−7%

2352Carroll County, KYKY10,810+6%

2353Hancock County, IAIA10,795−11%

2354Roosevelt County, MTMT10,794+2%

2355Evans County, GAGA10,774+3%

2356Red Willow County, NENE10,702−7%

2357Ripley County, MOMO10,679−21%

2358Winnebago County, IAIA10,679−9%

2359Middlesex County, VAVA10,625+7%

2360Guthrie County, IAIA10,623−6%

2361Wilcox County, ALAL10,600−20%

2362Essex County, VAVA10,599+6%

2363Colfax County, NENE10,582+1%

2364Bollinger County, MOMO10,567−12%

2365Mitchell County, IAIA10,565−3%

2366Walsh County, NDND10,563−15%

2367Bradley County, ARAR10,545−16%

2368Custer County, NENE10,545−11%

2369Crawford County, ININ10,526−2%

2370Leslie County, KYKY10,513−15%

2371Washington County, IDID10,500+5%

2372Gates County, NCNC10,478−0%

2373Carbon County, MTMT10,473+10%

2374Cumberland County, ILIL10,450−7%

2375Coosa County, ALAL10,387−15%

2376Franklin County, TXTX10,359+10%

2377Bullock County, ALAL10,357−12%

2378Ralls County, MOMO10,355+8%

2379Camden County, NCNC10,355+50%

2380Montgomery County, IAIA10,330−12%

2381Lowndes County, ALAL10,311−23%

2382Metcalfe County, KYKY10,286+2%

2383Noxubee County, MSMS10,285−18%

2384Roberts County, SDSD10,280+3%

2385Nemaha County, KSKS10,273−4%

2386Johnston County, OKOK10,272−2%

2387Butte County, SDSD10,243+13%

2388Clay County, TXTX10,218−7%

2389Chicot County, ARAR10,208−28%

2390Pike County, ARAR10,171−10%

2391Alcona County, MIMI10,167−13%

2392Howard County, MOMO10,151−1%

2393Love County, OKOK10,146+15%

2394Holt County, NENE10,127−12%

2395Nome Census Area, AKAK10,046+9%

2396Marshall County, KSKS10,038−8%

2397Keokuk County, IAIA10,033−12%

2398Lewis County, MOMO10,032−4%

2399Perry County, ARAR10,019−2%

2400Franklin County, IAIA10,019−6%

2401Madison Parish, LALA10,017−27%

2402Ochiltree County, TXTX10,015+11%

2403Carroll County, MSMS9,998−7%

2404Jackson County, MNMN9,989−11%

2405Yuma County, COCO9,988+1%

2406Calhoun County, IAIA9,927−11%

2407Webster County, MSMS9,926−4%

2408Runnels County, TXTX9,900−14%

2409Sabine County, TXTX9,894−5%

2410Lanier County, GAGA9,877+36%

2411Parmer County, TXTX9,869−1%

2412Pulaski County, GAGA9,855+3%

2413Swift County, MNMN9,838−18%

2414Scott County, ARAR9,836−11%

2415Duval County, TXTX9,831−25%

2416Emery County, UTUT9,825−10%

2417Montgomery County, MSMS9,822−19%

2418Sac County, IAIA9,814−15%

2419Martin County, ININ9,812−5%

2420Mountrail County, NDND9,809+48%

2421Grundy County, MOMO9,808−6%

2422Tunica County, MSMS9,782+6%

2423McLean County, NDND9,771+5%

2424West Carroll Parish, LALA9,751−21%

2425Clarke County, IAIA9,748+7%

2426Switzerland County, ININ9,737+7%

2427Marion County, TXTX9,725−11%

2428Rock County, MNMN9,704−0%

2429Wayne County, NENE9,697−2%

2430Cumberland County, VAVA9,675+7%

2431Stevens County, MNMN9,671−4%

2432Zavala County, TXTX9,670−17%

2433Grand County, UTUT9,669+14%

2434Irwin County, GAGA9,666−3%

2435Caldwell Parish, LALA9,645−9%

2436Humboldt County, IAIA9,597−8%

2437Linn County, KSKS9,591+0%

2438Chattahoochee County, GAGA9,565−36%

2439Wilkes County, GAGA9,565−10%

2440Greenlee County, AZAZ9,563+12%

2441Brewster County, TXTX9,546+8%

2442Iron County, MOMO9,537−11%

2443Benewah County, IDID9,530+4%

2444Yellow Medicine County, MNMN9,528−14%

2445McCormick County, SCSC9,526−4%

2446Brown County, KSKS9,508−11%

2447Howard County, IAIA9,469−5%

2448Cheyenne County, NENE9,468−4%

2449Latimer County, OKOK9,444−12%

2450Hamilton County, NENE9,429+0%

2451Rice County, KSKS9,427−12%

2452Pipestone County, MNMN9,424−5%

2453Deer Lodge County, MTMT9,421+0%

2454Clear Creek County, COCO9,397+1%

2455Emmet County, IAIA9,388−15%

2456Charles Mix County, SDSD9,373+0%

2457Beaverhead County, MTMT9,371+2%

2458Nowata County, OKOK9,320−12%

2459Todd County, SDSD9,319+3%

2460Jasper County, ILIL9,287−8%

2461St. Clair County, MOMO9,284−4%

2462Clinton County, KYKY9,253−4%

2463Somervell County, TXTX9,205+35%

2464Johnson County, GAGA9,189+7%

2465Terrell County, GAGA9,185−16%

2466Forest County, WIWI9,179−8%

2467Jones County, NCNC9,172−12%

2468Pratt County, KSKS9,157−5%

2469Montmorency County, MIMI9,153−11%

2470McLean County, KYKY9,152−8%

2471Seminole County, GAGA9,147−2%

2472Claiborne County, MSMS9,135−23%

2473Davis County, IAIA9,110+7%

2474Stephens County, TXTX9,101−6%

2475Hancock County, KYKY9,095+8%

2476White Pine County, NVNV9,080−1%

2477Marshall County, MNMN9,040−11%

2478Cloud County, KSKS9,032−12%

2479Cuming County, NENE9,013−12%

2480Turner County, GAGA9,006−5%

2481Palo Alto County, IAIA8,996−11%

2482Mitchell County, TXTX8,990−7%

2483Crittenden County, KYKY8,990−4%

2484Kemper County, MSMS8,988−14%

2485Phelps County, NENE8,968−8%

2486Stillwater County, MTMT8,963+9%

2487Dawson County, MTMT8,940−1%

2488Richmond County, VAVA8,923+1%

2489Catahoula Parish, LALA8,906−18%

2490Livingston County, KYKY8,888−9%

2491Wilkinson County, GAGA8,877−13%

2492Alger County, MIMI8,842−10%

2493Caldwell County, MOMO8,815−2%

2494Greene County, IAIA8,771−15%

2495Wilcox County, GAGA8,766+2%

2496Monona County, IAIA8,751−13%

2497Quay County, NMNM8,746−14%

2498Blaine County, OKOK8,735−27%

2499Hancock County, GAGA8,735−13%

2500Clearwater County, IDID8,734−2%

SHOWING 2,001–2,500 OF 3,135

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS