LUCC Counties

State County Population Square Miles  
AL Jefferson County 660,367 1,111.28 NACo Member
AZ Maricopa County 4,167,947 9,200.14 NACo Member
AZ Pima County 1,010,025 9,187.04 NACo Member
CA Alameda County 1,638,215 739.02 NACo Member
CA Contra Costa County 1,126,745 715.94 NACo Member
CA Fresno County 974,861 5,957.99 NACo Member
CA Kern County 882,176 8,131.92 NACo Member
CA Los Angeles County 10,170,292 4,057.88 NACo Member
CA Orange County 3,169,776 790.57 NACo Member
CA Riverside County 2,361,026 7,206.48 NACo Member
CA Sacramento County 1,501,335 964.64 NACo Member
CA San Bernardino County 2,128,133 20,056.94 NACo Member
CA San Diego County 3,299,521 4,206.63 NACo Member
CA San Francisco City and County 864,816 46.87 NACo Member
CA San Joaquin County 726,106 1,391.32 NACo Member
CA San Mateo County 765,135 448.41 NACo Member
CA Santa Clara County 1,918,044 1,290.10 NACo Member
CA Sonoma County 502,146 1,575.85 NACo Member
CA Stanislaus County 538,388 1,494.83 NACo Member
CA Ventura County 850,536 1,843.13 NACo Member
CO Arapahoe County 631,096 798.10 NACo Member
CO Denver City and County 682,545 153.00  
CO El Paso County 674,471 2,126.80 NACo Member
CO Jefferson County 565,524 764.21 NACo Member
DC District Of Columbia 672,228 61.05  
DE New Castle County 556,779 426.29 NACo Member
FL Brevard County 568,088 1,015.66 NACo Member
FL Broward County 1,896,425 1,209.79 NACo Member
FL Duval County/City of Jacksonville 913,010 762.19 NACo Member
FL Hillsborough County 1,349,050 1,020.21 NACo Member
FL Lee County 701,982 784.51 NACo Member
FL Miami-Dade County 2,693,117 1,897.72 NACo Member
FL Orange County 1,288,126 903.43 NACo Member
FL Palm Beach County 1,422,789 1,969.76 NACo Member
FL Pinellas County 949,827 273.80 NACo Member
FL Polk County 650,092 1,797.84 NACo Member
FL Volusia County 517,887 1,101.03 NACo Member
GA Cobb County 741,334 339.55 NACo Member
GA DeKalb County 734,871 267.58 NACo Member
GA Fulton County 1,010,562 526.64 NACo Member
GA Gwinnett County 895,823 430.38 NACo Member
HI Honolulu City and County 998,714 600.74 NACo Member
IL Cook County 5,238,216 945.33 NACo Member
IL DuPage County 933,736 327.50 NACo Member
IL Kane County 530,847 520.06 NACo Member
IL Lake County 703,910 443.67 NACo Member
IL Will County 687,263 836.91 NACo Member
IN Indianapolis and Marion County 939,020 396.30 NACo Member
KS Johnson County 580,159 473.38 NACo Member
KS Sedgwick County 511,574 997.51  
KY Louisville Jefferson County Metro Government 763,623 380.42 NACo Member
MA Bristol County 556,772 553.10 NACo Member
MA Norfolk County 696,023 396.11 NACo Member
MA Plymouth County 510,393 659.08  
MA Suffolk County, City of Boston 778,121 58.15  
MD Anne Arundel County 564,195 414.90 NACo Member
MD Baltimore City 621,849 80.94 NACo Member
MD Baltimore County 831,128 598.30 NACo Member
MD Montgomery County 1,040,116 491.25 NACo Member
MD Prince George's County 909,535 482.69 NACo Member
MI Kent County 636,369 846.95 NACo Member
MI Macomb County 864,840 479.22 NACo Member
MI Oakland County 1,242,304 867.66 NACo Member
MI Wayne County 1,759,335 612.08 NACo Member
MN Hennepin County 1,223,149 553.59 NACo Member
MN Ramsey County 538,133 152.21 NACo Member
MO Jackson County 687,623 604.46 NACo Member
MO St. Louis County 1,003,362 507.80  
NC Guilford County 517,600 645.70 NACo Member
NC Mecklenburg County 1,034,070 523.84 NACo Member
NC Wake County 1,024,198 835.22 NACo Member
NE Douglas County 550,064 328.46 NACo Member
NJ Bergen County 938,506 233.01  
NJ Camden County 510,923 221.26  
NJ Essex County 797,434 126.21 NACo Member
NJ Hudson County 674,836 46.19 NACo Member
NJ Middlesex County 840,900 308.91  
NJ Monmouth County 628,715 468.79  
NJ Ocean County 588,721 628.78  
NJ Passaic County 510,916 184.59  
NJ Union County 555,786 102.86 NACo Member
NM Bernalillo County 676,685 1,160.83 NACo Member
NV Clark County 2,114,801 7,891.43 NACo Member
NY Erie County 922,578 1,042.69  
NY Monroe County 749,600 657.21 NACo Member
NY Nassau County 1,361,350 284.72  
NY New York City 8,550,405 22.83  
NY Suffolk County 1,501,587 912.05 NACo Member
NY Westchester County 976,396 430.50 NACo Member
OH Cuyahoga County 1,255,921 457.19 NACo Member
OH Franklin County 1,251,722 532.19 NACo Member
OH Hamilton County 807,598 405.91 NACo Member
OH Montgomery County 532,258 461.55 NACo Member
OH Summit County 541,968 412.75 NACo Member
OK Oklahoma County 776,864 708.82 NACo Member
OK Tulsa County 639,242 570.25 NACo Member
OR Multnomah County 790,294 431.30 NACo Member
OR Washington County 574,326 724.23 NACo Member
PA Allegheny County 1,230,459 730.08 NACo Member
PA Bucks County 627,367 604.31  
PA Chester County 515,939 750.51 NACo Member
PA Delaware County 563,894 183.84 NACo Member
PA Lancaster County 536,624 943.81 NACo Member
PA Montgomery County 819,264 483.04  
PA Philadelphia County 1,567,442 134.10  
TN Metropolitan Government of Nashville and Davidson County 678,889 504.03 NACo Member
TN Shelby County 938,069 763.17 NACo Member
TX Bexar County 1,897,753 1,239.82 NACo Member
TX Collin County 914,127 841.23  
TX Dallas County 2,553,385 871.28 NACo Member
TX Denton County 780,612 878.43 NACo Member
TX El Paso County 835,593 1,012.69 NACo Member
TX Fort Bend County 716,087 861.48 NACo Member
TX Harris County 4,538,028 1,703.48 NACo Member
TX Hidalgo County 842,304 1,570.87 NACo Member
TX Montgomery County 537,559 1,041.74  
TX Tarrant County 1,982,498 863.61 NACo Member
TX Travis County 1,176,558 990.20 NACo Member
TX Williamson County 508,514 1,118.30 NACo Member
UT Salt Lake County 1,107,314 742.28 NACo Member
UT Utah County 575,205 2,003.45 NACo Member
VA Fairfax County 1,142,234 390.97 NACo Member
WA King County 2,117,125 2,115.57 NACo Member
WA Pierce County 843,954 1,669.51 NACo Member
WA Snohomish County 772,501 2,087.27 NACo Member
WI Dane County 523,643 1,197.24 NACo Member
WI Milwaukee County 957,735 241.40 NACo Member