Completely stole these numbers from Yuri S Andrade at SSP, but here are the MSA/CSA numbers for Southern metros over 800,000, and their estimated growth since last census.
7 - Dallas, TX --- 6,887,383 --- 6,731,317 --- 2.32% --- 156,066
9 - Houston, TX --- 6,191,434 --- 6,051,363 --- 2.31% --- 140,071
10 - Atlanta, GA-AL --- 5,712,148 --- 5,618,431 --- 1.67% --- 93,717
11 - Miami, FL --- 5,670,125 --- 5,564,635 --- 1.90% --- 105,490
20 - Orlando, FL --- 2,861,296 --- 2,818,120 --- 1.53% --- 43,176
21 - Tampa, FL --- 2,824,724 --- 2,783,243 --- 1.49% --- 41,481
24 - Charlotte, NC-SC --- 2,442,564 --- 2,402,623 --- 1.66% --- 39,941
26 - San Antonio, TX --- 2,194,927 --- 2,142,508 --- 2.45% --- 52,419
32 - Austin, TX --- 1,826,636 --- 1,759,039 --- 3.84% --- 67,597
33 - Raleigh, NC --- 1,795,750 --- 1,749,525 --- 2.64% --- 46,225
36 - Nashville, TN --- 1,698,651 --- 1,670,890 --- 1.66% --- 27,761
37 - Norfolk, VA-NC --- 1,679,894 --- 1,671,683 --- 0.49% --- 8,211
38 - Greensboro, NC --- 1,602,693 --- 1,589,200 --- 0.85% --- 13,493
39 - Louisville, KY-IN --- 1,440,607 --- 1,427,483 --- 0.92% --- 13,124
40 - Jacksonville, FL --- 1,360,251 --- 1,345,596 --- 1.09% --- 14,655
41 - Oklahoma City, OK --- 1,348,333 --- 1,322,429 --- 1.96% --- 25,904
44 - Memphis, TN-MS-AR --- 1,325,605 --- 1,316,100 --- 0.72% --- 9,505
45 - Greenville, SC --- 1,281,394 --- 1,266,995 --- 1.14% --- 14,399
46 - Richmond, VA --- 1,269,380 --- 1,258,251 --- 0.88% --- 11,129
47 - New Orleans, LA --- 1,238,228 --- 1,214,932 --- 1.92% --- 23,296
49 - Birmingham, AL --- 1,212,800 --- 1,208,453 --- 0.36% --- 4,347
54 - Knoxville, TN --- 1,063,354 --- 1,055,086 --- 0.78% --- 8,268
55 - Tulsa, OK --- 998,438 --- 988,454 --- 1.01% --- 9,984
60 - Little Rock, AR --- 886,992 --- 877,091 --- 1.13% --- 9,901
61 - Sarasota, FL --- 869,866 --- 862,259 --- 0.88% --- 7,607
63 - Baton Rouge, LA --- 831,395 --- 825,905 --- 0.66% --- 5,490
65 - El Paso, TX --- 820,790 --- 800,647 --- 2.52% --- 20,143
66 - Columbia, SC --- 814,837 --- 805,106 --- 1.21% --- 9,731