The census data releases so far have covered basic data for five states - Louisiana, Mississippi, New Jersey, and Virginia. You can read the summaries in .xls format:
Louisiana
Mississippi
New Jersey
Virginia
For example, here is what New Jersey's summary table has to say about the state's 20 largest cities as of the 2010 count:
1 (2010 rank) 1 (2000 rank) Newark city……………………………………………….. 273,546 (2000 population) 277,140 (2010 population) 3,594 (Change) 1.3 (Percentage change)
2. 2. Jersey City city…………………………………………….. 240,055 • 247,597 • 7,542 • 3.1
3. 3. Paterson city………………………...……………………. 149,222 • 146,199 • -3,023 • -2.0
4. 4. Elizabeth city……………………………………………. 120,568 • 124,969 • 4,401 • 3.7
5. 5. Edison township (Middlesex County)……………………. 97,687 • 99,967 • 2,280 • 2.3
6. 6. Woodbridge township (Middlesex County)……………………………. 97,203 • 99,585 • 2,382 • 2.5
7. 22. Lakewood township (Ocean County)……………………… 60,352 • 92,843 • 32,491 • 53.8
8. 7. Toms River township (Ocean County) 2………………………………….. 89,706 • 91,239 • 1,533 • 1.7
9. 8. Hamilton township (Mercer County)…………………….. 87,109 • 88,464 • 1,355 • 1.6
10. 9. Trenton city……………………………………………….. 85,403 • 84,913 • -490 • -0.6
11. 11. Clifton city………………………………..………………….. 78,672 • 84,136 • 5,464 • 6.9
12. 10. Camden city……………………………………………….. 79,904 • 77,344 • -2,560 • -3.2
13. 12. Brick township (Ocean County)………………………….. 76,119 • 75,072 • -1,047 • -1.4
14. 13. Cherry Hill township (Camden County)……………………. 69,965 • 71,045 • 1,080 • 1.5
15. 15. Passaic city…………………………………………….. 67,861 • 69,781 • 1,920 • 2.8
16. 17. Middletown township (Monmouth County)………………… 66,327 • 66,522 • 195 • 0.3
17. 16. Union City city…………………………………………… 67,088 • 66,455 • -633 • -0.9
18. 21. Old Bridge township (Middlesex County)……………… 60,456 • 65,375 • 4,919 • 8.1
19. 18. Gloucester township (Camden County)………………… 64,350 • 64,634 • 284 • 0.4
20. 14. East Orange city………………………………………….. 69,824 • 64,270 • -5,554 • -8.0
Now, if you want the bulky, tract-level data, you can download the files from the FTP folder for each state:
2010 Census FTP site