With the release of The 2010 Census, these are the fastest growing Top 100 US cities:

Rank	City	State	Growth since 2000
1	Los Angeles	California	125,131
2	New York	New York	77,464
3	San Antonio	Texas	70,079
4	Phoenix	Arizona	67,371
5	Houston	Texas	56,059
6	Fort Worth	Texas	50,428
7	Charlotte	North Carolina	43,830
8	San Diego	California	43,353
9	Raleigh	North Carolina	40,709
10	Henderson	Nevada	39,471
11	Las Vegas	Nevada	38,583
12	Sacramento	California	38,317
13	Jacksonville	Florida	38,164
14	Mesa	Arizona	36,001
15	Gilbert town	Arizona	35,553
16	Chandler	Arizona	34,718
17	North Las Vegas	Nevada	29,014
18	Stockton	California	27,695
19	Irvine	California	27,489
20	Riverside	California	26,348
21	Chula Vista	California	25,504
22	Bakersfield	California	23,978
23	Rancho Cucamonga	California	23,897
24	Fresno	California	23,803
25	Albuquerque	New Mexico	23,249
26	Fontana	California	22,974
27	Arlington	Texas	22,038
28	Tucson	Arizona	20,959
29	Laredo	Texas	20,912
30	El Paso	Texas	20,451
31	Plano	Texas	19,961
32	Dallas	Texas	19,738
33	Peoria	Arizona	19,216
34	Aurora	Illinois	19,194
35	Modesto	California	18,016
36	Corona	California	17,488
37	Joliet	Illinois	17,349
38	Oklahoma	Oklahoma	17,171
39	Columbus	Ohio	16,962
40	Brownsville	Texas	16,456
41	Cape Coral	Florida	16,451
42	Austin	Texas	15,449
43	Scottsdale	Arizona	15,284
44	Moreno Valley	California	14,682
45	Miami	Florida	14,345
46	Omaha	Nebraska	14,260
47	Virginia Beach	Virginia	14,210
48	Tampa	Florida	14,200
49	Glendale	Arizona	14,026
50	Aurora	Colorado	14,025
51	Long Beach	California	13,938
52	Fort Wayne	Indiana	13,768
53	Reno	Nevada	13,402
54	Orlando	Florida	13,385
55	Santa Clarita	California	11,654
56	Chesapeake	Virginia	11,650
57	Pembroke Pines	Florida	11,500
58	Durham	North Carolina	11,341
59	Overland Park	Kansas	11,288
60	Palmdale	California	11,089
61	Anchorage	Alaska	10,668
62	Fort Lauderdale	Florida	10,520
63	Oxnard	California	10,514
64	Madison	Wisconsin	10,378
65	Wichita	Kansas	10,333
66	Lincoln	Nebraska	10,013
67	San Bernardino	California	9,956
68	Sioux Falls	South Dakota	9,859
69	Colorado Springs	Colorado	9,558
70	Naperville	Illinois	9,536
71	Coral Springs	Florida	9,456
72	Portland	Oregon	9,423
73	Ontario	California	9,395
74	Grand Prairie	Texas	9,244
75	Honolulu CDP	Hawaii	8,492
76	Vancouver	Washington	8,094
77	Norfolk	Virginia	7,324
78	Thousand Oaks	California	7,187
79	Pasadena	California	7,178
80	Lancaster	California	7,178
81	Fort Collins	Colorado	7,088
82	Lubbock	Texas	6,917
83	Atlanta	Georgia	6,545
84	Lexington-Fayette	Kentucky	6,286
85	Oceanside	California	6,053
86	Huntsville	Alabama	6,021
87	Salem	Oregon	5,990
88	Santa Rosa	California	5,791
89	El Monte	California	5,775
90	Simi Valley	California	5,764
91	Seattle	Washington	5,727
92	Glendale	California	5,526
93	Fullerton	California	5,246
94	Greensboro	North Carolina	5,219
95	Amarillo	Texas	4,985
96	Mesquite	Texas	4,747
97	Torrance	California	4,675
98	Pomona	California	4,674
99	Huntington Beach	California	4,654
100	Santa Ana	California	4,533