ABCDEFGHIJKLMNOPQRSTUVWXY
1
County or equivalentState
2013 Population
2
Los AngelesCalifornia10,017,068
3
CookIllinois5,240,700
4
HarrisTexas4,336,853
5
MaricopaArizona4,009,412
6
San DiegoCalifornia3,211,252
7
OrangeCalifornia3,114,363
8
Miami-DadeFlorida2,617,176
9
KingsNew York2,592,149
10
DallasTexas2,480,331
11
QueensNew York2,296,175
12
RiversideCalifornia2,292,507
13
San BernardinoCalifornia2,088,371
14
KingWashington2,044,449
15
ClarkNevada2,027,868
16
TarrantTexas1,911,541
17
Santa ClaraCalifornia1,862,041
18
BrowardFlorida1,838,844
19
BexarTexas1,817,610
20
WayneMichigan1,775,273
21
New YorkNew York1,626,159
22
AlamedaCalifornia1,578,891
23
Philadelphia[w]Pennsylvania1,553,165
24
MiddlesexMassachusetts1,552,802
25
SuffolkNew York1,499,738
26
SacramentoCalifornia1,462,131
27
BronxNew York1,418,733
28
Palm BeachFlorida1,372,171
29
NassauNew York1,352,146
30
HillsboroughFlorida1,291,578
31
CuyahogaOhio1,263,154
32
OaklandMichigan1,231,640
33
AlleghenyPennsylvania1,231,527
34
OrangeFlorida1,225,267
35
FranklinOhio1,212,263
36
HennepinMinnesota1,198,778
37
FairfaxVirginia1,130,924
38
TravisTexas1,120,954
39
Contra CostaCalifornia1,094,205
40
Salt LakeUtah1,079,721
41
MecklenburgNorth Carolina1,076,837
42
WakeNorth Carolina1,072,203
43
MontgomeryMaryland1,016,677
44
FultonGeorgia1,010,562
45
St. LouisMissouri1,001,444
46
PimaArizona996,554
47
WestchesterNew York968,802
48
MilwaukeeWisconsin956,0231
49
FresnoCalifornia955,272
50
FairfieldConnecticut939,9041
51
ShelbyTennessee939,465
52
DuPageIllinois932,126
53
PinellasFlorida929,0481
54
MarionIndiana928,2811
55
BergenNew Jersey925,3281
56
ErieNew York919,866
57
HartfordConnecticut898,2721
58
Prince George'sMaryland890,081
59
DuvalFlorida885,8551
60
KernCalifornia864,124
61
New HavenConnecticut862,2871
62
GwinnettGeorgia859,304
63
CollinTexas854,778
64
MacombMichigan854,769
65
VenturaCalifornia839,620
66
San FranciscoCalifornia837,442
67
MiddlesexNew Jersey828,9191
68
El PasoTexas827,718
69
BaltimoreMaryland823,0151
70
PierceWashington819,743
71
HidalgoTexas815,996
72
MontgomeryPennsylvania812,3761
73
WorcesterMassachusetts809,1061
74
HamiltonOhio804,520
75
EssexNew Jersey789,565
76
MultnomahOregon766,135
77
EssexMassachusetts762,550
78
JeffersonKentucky756,832
79
SuffolkMassachusetts755,503
80
OklahomaOklahoma755,245
81
MonroeNew York749,606
82
San MateoCalifornia747,373
83
SnohomishWashington745,913
84
DentonTexas728,799
85
CobbGeorgia717,190
86
DeKalbGeorgia713,340
87
San JoaquinCalifornia704,379
88
LakeIllinois703,019
89
NorfolkMassachusetts687,802
90
WillIllinois682,829
91
JacksonMissouri679,996
92
BernalilloNew Mexico674,221
93
LeeFlorida661,115
94
HudsonNew Jersey660,282
95
JeffersonAlabama659,479
96
DavidsonTennessee658,602
97
El PasoColorado655,044
98
Fort BendTexas652,365
99
DenverColorado649,495
100
District of ColumbiaDistrict of Columbia646,449