Let me do a quick count...
Virginia vessels
Virginia - 6x 9" SB, 2x 6.4" Brooke and 2x 7" Brooke
Richmond - 1x 10" SB, 2x 6.4" and 1x 7" Brooke
Fredericksburg - 1x 11" SB, 2x 6.4" and 1x 8" Brooke
Virginia II - as Fredericksburg
Texas - 2x 11" SB, 2x 6.4" and 2x 8" Brooke (never completed)
NC vessels
North Carolina - 2x 6.4" Brooke and 2x 7" Brooke
Raleigh - 4x 6.4" Brooke
Albemarle - 2x 6.4" Brooke
Neuse - as Albemarle
SC vessels
Palmento State - 2x 9" SB and 2x 7" Brooke
Chicora - 2x 9" SB and 4x rifled 32 pdrs (6.4")
Charleston - as Chicora
Columbia - 1x 10" SB, 2x 6.4" and 3x 7" Brooke
Georgia vessels
Atlanta - 2x 6.4" Brooke and 2x 7" Brooke
Savannah - 2x 6.4" Brooke and 2x 7" Brooke
Millegdeville - 2x 6.4" Brooke and 2x 7" Brooke (burned before complete to prevent capture)
(Georgia not counted, immobile floating battery)
Alabama vessels
Baltic - 2x rifled 32 pdrs, 2x rifles 42 pdrs and a couple of light howitzers
Huntsville - 3x 32 pdr SB and 1x 6.4" Brooke
Tuscaloosa - as Huntsville
Tennessee - 2x 6.4" Brooke and 2x 7" Brooke
Nashville - 3x 7" Brooke and 1x 24 pdr howitzer
Louisiana vessels
Manassas - 1x 64 pdr SB
Louisiana - 4x 8" SB, 3x 9" SB, 2x 7" Brookes and 7x rifled 32 pdrs
Inland
Missouri - 1x 11" SB, 1x 9" SB and 1x 32 pdr SB
Arkansas - 2x 8" SB, 2x 9" SB, 4x 32 pdr SB and 2x 7" Brookes
5x 11" smoothbores (some Dahlgrens, some Brookes?)
2x 10" smoothbores (both Brookes I think)
18x 9" Dahlgren shell guns
6x 8" shell guns
8x 32 pdr smoothbores
4x 8" Brookes
23x 7" Brookes
2x rifles 42 pdrs (7")
31x 6.4" Brookes
17x rifles 32 pdrs (6.4")
So, most numerous by a long way were 6.4" rifles (48), some of which were Brookes pattern and some converted 32 pdrs. Then 25x 7" rifles (mostly Brookes) and then the 18x 9" Dahlgren shell guns.