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.