Ranking of US Counties By Population in 2013
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2013, the Population for the United States was 316.06M. Among all US counties, Los Angeles County had the highest population (9.99M), followed by Cook County (5.25M), and Harris County (4.35M).
On the other hand, Kalawao County had the lowest population (89) followed by Loving County (106), and King County (272).
The chart below shows the top 10 counties with high population, and the table below shows the ranking of the top 200 US counties.
You can see similar ranking information for related topics. You can also see links at the bottom of the page for the ranking of counties for each state.
You may also be interested in:
Related Topics: US Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of US Counties By Population in 2013
Items per page:
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| Rank | County | Population |
|---|---|---|
| 1 | Los Angeles County, CA | 9987189 |
| 2 | Cook County, IL | 5252513 |
| 3 | Harris County, TX | 4352419 |
| 4 | Maricopa County, AZ | 4018657 |
| 5 | San Diego County, CA | 3210788 |
| 6 | Orange County, CA | 3105262 |
| 7 | Miami-Dade County, FL | 2609570 |
| 8 | Kings County, NY | 2587759 |
| 9 | Dallas County, TX | 2484675 |
| 10 | Queens County, NY | 2286788 |
| 11 | Riverside County, CA | 2286087 |
| 12 | San Bernardino County, CA | 2082101 |
| 13 | King County, WA | 2047967 |
| 14 | Clark County, NV | 2017798 |
| 15 | Tarrant County, TX | 1913541 |
| 16 | Santa Clara County, CA | 1866050 |
| 17 | Broward County, FL | 1836869 |
| 18 | Bexar County, TX | 1821354 |
| 19 | Wayne County, MI | 1780131 |
| 20 | New York County, NY | 1628379 |
| 21 | Alameda County, CA | 1579508 |
| 22 | Middlesex County, MA | 1560625 |
| 23 | Philadelphia County, PA | 1558713 |
| 24 | Suffolk County, NY | 1497389 |
| 25 | Sacramento County, CA | 1457283 |
| 26 | Bronx County, NY | 1421498 |
| 27 | Palm Beach County, FL | 1376782 |
| 28 | Nassau County, NY | 1352355 |
| 29 | Hillsborough County, FL | 1304474 |
| 30 | Cuyahoga County, OH | 1265698 |
| 31 | Oakland County, MI | 1235656 |
| 32 | Allegheny County, PA | 1233999 |
| 33 | Orange County, FL | 1227761 |
| 34 | Franklin County, OH | 1219186 |
| 35 | Hennepin County, MN | 1198531 |
| 36 | Fairfax County, VA | 1132186 |
| 37 | Travis County, TX | 1122346 |
| 38 | Contra Costa County, CA | 1093253 |
| 39 | Salt Lake County, UT | 1079661 |
| 40 | Montgomery County, MD | 1015534 |
| 41 | St. Louis County, MO | 1000746 |
| 42 | Pima County, AZ | 997374 |
| 43 | Mecklenburg County, NC | 991182 |
| 44 | Honolulu County, HI | 986494 |
| 45 | Fulton County, GA | 981844 |
| 46 | Wake County, NC | 974508 |
| 47 | Westchester County, NY | 964713 |
| 48 | Milwaukee County, WI | 957557 |
| 49 | Fresno County, CA | 951143 |
| 50 | Fairfield County, CT | 940189 |
| 51 | Shelby County, TN | 938713 |
| 52 | DuPage County, IL | 932301 |
| 53 | Marion County, IN | 930127 |
| 54 | Pinellas County, FL | 928755 |
| 55 | Erie County, NY | 921015 |
| 56 | Bergen County, NJ | 920021 |
| 57 | Hartford County, CT | 897837 |
| 58 | Prince George's County, MD | 891020 |
| 59 | Duval County, FL | 886277 |
| 60 | New Haven County, CT | 863035 |
| 61 | Kern County, CA | 862727 |
| 62 | Macomb County, MI | 857146 |
| 63 | Collin County, TX | 856063 |
| 64 | Gwinnett County, GA | 853496 |
| 65 | San Francisco County, CA | 839695 |
| 66 | Ventura County, CA | 837729 |
| 67 | El Paso County, TX | 830585 |
| 68 | Baltimore County, MD | 822426 |
| 69 | Middlesex County, NJ | 821811 |
| 70 | Pierce County, WA | 821307 |
| 71 | Hidalgo County, TX | 818047 |
| 72 | Montgomery County, PA | 812750 |
| 73 | Worcester County, MA | 810994 |
| 74 | Hamilton County, OH | 805408 |
| 75 | Essex County, NJ | 786685 |
| 76 | Multnomah County, OR | 766977 |
| 77 | Essex County, MA | 764684 |
| 78 | Suffolk County, MA | 762863 |
| 79 | Jefferson County, KY | 759427 |
| 80 | Oklahoma County, OK | 756286 |
| 81 | San Mateo County, CA | 749131 |
| 82 | Monroe County, NY | 748456 |
| 83 | Snohomish County, WA | 744322 |
| 84 | Denton County, TX | 727776 |
| 85 | DeKalb County, GA | 718026 |
| 86 | Cobb County, GA | 716265 |
| 87 | Lake County, IL | 704259 |
| 88 | San Joaquin County, CA | 701831 |
| 89 | Norfolk County, MA | 688518 |
| 90 | Will County, IL | 683720 |
| 91 | Jackson County, MO | 680063 |
| 92 | Bernalillo County, NM | 676467 |
| 93 | Davidson County, TN | 660560 |
| 94 | Lee County, FL | 660197 |
| 95 | Jefferson County, AL | 659434 |
| 96 | Hudson County, NJ | 657101 |
| 97 | El Paso County, CO | 655178 |
| 98 | Fort Bend County, TX | 651770 |
| 99 | Denver County, CO | 649270 |
| 100 | Providence County, RI | 631836 |
| 101 | Monmouth County, NJ | 626964 |
| 102 | Bucks County, PA | 625325 |
| 103 | Kent County, MI | 624409 |
| 104 | Tulsa County, OK | 623978 |
| 105 | Polk County, FL | 622808 |
| 106 | Baltimore city, MD | 622591 |
| 107 | Arapahoe County, CO | 609089 |
| 108 | Ocean County, NJ | 582166 |
| 109 | Johnson County, KS | 566661 |
| 110 | Delaware County, PA | 561635 |
| 111 | Anne Arundel County, MD | 555638 |
| 112 | Washington County, OR | 555443 |
| 113 | Bristol County, MA | 552495 |
| 114 | Jefferson County, CO | 552242 |
| 115 | Utah County, UT | 551689 |
| 116 | Brevard County, FL | 550478 |
| 117 | New Castle County, DE | 548614 |
| 118 | Union County, NJ | 546051 |
| 119 | Summit County, OH | 542032 |
| 120 | Douglas County, NE | 536923 |
| 121 | Montgomery County, OH | 534448 |
| 122 | Lancaster County, PA | 530109 |
| 123 | Ramsey County, MN | 527261 |
| 124 | Stanislaus County, CA | 523313 |
| 125 | Kane County, IL | 522523 |
| 126 | Dane County, WI | 510026 |
| 127 | Camden County, NJ | 509983 |
| 128 | Chester County, PA | 509101 |
| 129 | Sedgwick County, KS | 506542 |
| 130 | Guilford County, NC | 506537 |
| 131 | Passaic County, NJ | 503815 |
| 132 | Plymouth County, MA | 502895 |
| 133 | Volusia County, FL | 500702 |
| 134 | Montgomery County, TX | 498488 |
| 135 | Morris County, NJ | 496050 |
| 136 | Sonoma County, CA | 493870 |
| 137 | Lake County, IN | 491909 |
| 138 | Spokane County, WA | 478553 |
| 139 | Pasco County, FL | 474501 |
| 140 | Greenville County, SC | 473196 |
| 141 | Richmond County, NY | 471783 |
| 142 | Williamson County, TX | 470494 |
| 143 | Adams County, CO | 469995 |
| 144 | Onondaga County, NY | 468302 |
| 145 | Hampden County, MA | 467828 |
| 146 | Polk County, IA | 452780 |
| 147 | Tulare County, CA | 452259 |
| 148 | Burlington County, NJ | 448992 |
| 149 | Virginia Beach city, VA | 447922 |
| 150 | Knox County, TN | 444453 |
| 151 | East Baton Rouge Parish, LA | 444345 |
| 152 | Clark County, WA | 441591 |
| 153 | York County, PA | 439041 |
| 154 | Prince William County, VA | 437900 |
| 155 | Lucas County, OH | 436269 |
| 156 | Seminole County, FL | 435640 |
| 157 | Santa Barbara County, CA | 434503 |
| 158 | Jefferson Parish, LA | 434394 |
| 159 | Washoe County, NV | 431255 |
| 160 | Monterey County, CA | 426163 |
| 161 | Solano County, CA | 423634 |
| 162 | Cameron County, TX | 417129 |
| 163 | Ada County, ID | 416180 |
| 164 | Genesee County, MI | 415713 |
| 165 | Mobile County, AL | 414025 |
| 166 | Berks County, PA | 413975 |
| 167 | Dakota County, MN | 407974 |
| 168 | Hillsborough County, NH | 405417 |
| 169 | Richland County, SC | 397015 |
| 170 | Waukesha County, WI | 394257 |
| 171 | Pulaski County, AR | 391745 |
| 172 | Sarasota County, FL | 390153 |
| 173 | Clackamas County, OR | 387571 |
| 174 | Pinal County, AZ | 385574 |
| 175 | Orleans Parish, LA | 378863 |
| 176 | Stark County, OH | 375152 |
| 177 | Orange County, NY | 374417 |
| 178 | St. Charles County, MO | 374378 |
| 179 | Charleston County, SC | 372065 |
| 180 | Butler County, OH | 371497 |
| 181 | Mercer County, NJ | 369534 |
| 182 | Placer County, CA | 365415 |
| 183 | Allen County, IN | 363432 |
| 184 | Westmoreland County, PA | 360720 |
| 185 | Forsyth County, NC | 360677 |
| 186 | Washtenaw County, MI | 356474 |
| 187 | Lane County, OR | 355654 |
| 188 | Lehigh County, PA | 355273 |
| 189 | Nueces County, TX | 352987 |
| 190 | Loudoun County, VA | 350001 |
| 191 | Hamilton County, TN | 349234 |
| 192 | Madison County, AL | 346764 |
| 193 | Manatee County, FL | 342024 |
| 194 | Collier County, FL | 339133 |
| 195 | Anoka County, MN | 339120 |
| 196 | Marion County, FL | 335196 |
| 197 | Cumberland County, NC | 333253 |
| 198 | Brazoria County, TX | 329961 |
| 199 | Somerset County, NJ | 329052 |
| 200 | Chesterfield County, VA | 327721 |
Ranking of Counties By Population in 2013 for each US State
Use the following links to see the ranking of counties by population for each of the following US states.