Rank
|
Population
|
City
|
1
|
669,347
|
Oklahoma City, OK
|
2
|
479,978
|
Omaha, NE
|
3
|
440,981
|
Oakland, CA
|
4
|
290,520
|
Orlando, FL
|
5
|
208,101
|
Oxnard, CA
|
6
|
201,034
|
Overland Park, KS
|
7
|
193,594
|
Ontario, CA
|
8
|
175,710
|
Oceanside, CA
|
9
|
142,119
|
Olathe, KS
|
10
|
137,109
|
Orange, CA
|
11
|
129,928
|
Odessa, TX
|
12
|
98,624
|
Orem, UT
|
13
|
89,291
|
O'Fallon, MO
|
14
|
88,915
|
Ogden, UT
|
15
|
67,408
|
Oshkosh, WI
|
16
|
61,810
|
Ocala, FL
|
17
|
60,903
|
Owensboro, KY
|
18
|
57,213
|
Orland Park, IL
|
19
|
54,206
|
Oak Lawn, IL
|
20
|
53,630
|
Olympia, WA
|
21
|
52,797
|
Oak Park, IL
|
22
|
49,231
|
Ocoee, FL
|
23
|
47,502
|
Oro Valley, AZ
|
24
|
45,170
|
Oakland Park, FL
|
25
|
44,591
|
Ormond Beach, FL
|
26
|
43,387
|
Oakley, CA
|
27
|
42,436
|
Oviedo, FL
|
28
|
40,382
|
Olive Branch, MS
|
29
|
38,390
|
Oswego, IL
|
30
|
37,769
|
Oregon City, OR
|
31
|
37,547
|
Owasso, OK
|
32
|
36,163
|
Oak Creek, WI
|
33
|
31,472
|
Opelika, AL
|
34
|
29,635
|
O'Fallon, IL
|
35
|
29,384
|
Oak Ridge, TN
|
36
|
29,141
|
Oak Park, MI
|
37
|
28,996
|
Oxford, MS
|
38
|
27,823
|
Oakdale, MN
|
39
|
26,797
|
Oak Forest, IL
|
|
Rank
|
Population
|
City
|
40
|
25,662
|
Owatonna, MN
|
41
|
24,454
|
Ossining, NY
|
42
|
24,274
|
Ottumwa, IA
|
43
|
23,998
|
Oakdale, CA
|
44
|
23,975
|
Oak Harbor, WA
|
45
|
23,951
|
Oroville, CA
|
46
|
23,588
|
Oxford, OH
|
47
|
21,075
|
Oxford, AL
|
48
|
21,060
|
Ozark, MO
|
49
|
20,343
|
Oregon, OH
|
50
|
20,136
|
Orinda, CA
|
51
|
19,691
|
Otsego, MN
|
52
|
19,483
|
Onalaska, WI
|
53
|
17,951
|
Ottawa, IL
|
54
|
17,900
|
Ocean Springs, MS
|
55
|
17,500
|
Orange, TX
|
56
|
17,299
|
Oconomowoc, WI
|
57
|
17,042
|
Oswego, NY
|
58
|
15,547
|
Opelousas, LA
|
59
|
15,527
|
Oldsmar, FL
|
60
|
15,523
|
Opa-Locka, FL
|
61
|
15,425
|
Overland, MO
|
62
|
14,373
|
Owosso, MI
|
63
|
14,194
|
Ozark, AL
|
64
|
13,934
|
Orange, CT
|
65
|
13,765
|
Oneonta, NY
|
66
|
13,161
|
Olean, NY
|
67
|
12,846
|
Oakland, NJ
|
68
|
12,685
|
Orange City, FL
|
69
|
12,402
|
Orangeburg, SC
|
70
|
12,216
|
Ottawa, KS
|
71
|
11,735
|
Okmulgee, OK
|
72
|
11,622
|
Oskaloosa, IA
|
73
|
10,972
|
Ontario, OR
|
74
|
10,859
|
Ocean City, NJ
|
75
|
10,788
|
Oneida, NY
|
76
|
10,695
|
Oregon, WI
|
77
|
10,247
|
Orange Cove, CA
|
78
|
10,186
|
Ogdensburg, NY
|
|