Oil & Gas Investing > Tax Reference Information > State Corporate Income Tax Rates

For tax year 2005 -- as of January 1, 2005


State
Tax Rates
Tax Brackets
# of Brackets
Bank Tax Rates
Federal Tax Deductible
ALABAMA
6.5
----Flat Rate----
1
6.5
*
ALASKA
1.0 - 9.4
10,000
.
90,000
10
1.0 - 9.4
.
ARIZONA
6.968 (b)
----Flat Rate----
1
6.968
.
ARKANSAS
1.0 - 6.5
3,000
.
100,000
6
1.0 - 6.5
.
CALIFORNIA
8.84 (c)
----Flat Rate----
1
10.84 (c)
.
COLORADO
4.63
----Flat Rate----
1
4.63
.
CONNECTICUT
7.5 (d)
----Flat Rate----
1
7.5 (d)
.
DELAWARE
8.7
----Flat Rate----
1
8.7-1.7 (e)
.
FLORIDA
5.5 (f)
----Flat Rate----
1
5.5 (f)
.
GEORGIA
6.0
----Flat Rate----
1
6.0
.
HAWAII
4.4 - 6.4 (g)
25,000
.
100,000
3
7.92 (g)
.
IDAHO
7.6 (h)
----Flat Rate----
1
7.6 (h)
.
ILLINOIS
7.3 (i)
----Flat Rate----
1
7.3 (i)
.
INDIANA
8.5
----Flat Rate----
1
8.5
.
IOWA
6.0 - 12.0
25,000
.
250,000
4
5.0
* (k)
KANSAS
4.0 (l)
----Flat Rate----
1
2.25 (l)
.
KENTUCKY
4.0 - 8.25
25,000
.
250,000
5
--- (a)
.
LOUISIANA
4.0 - 8.0
25,000
.
200,000
5
--- (a)
*
MAINE
3.5 - 8.93 (m)
25,000
.
250,000
4
1.0
.
MARYLAND
7.0
----Flat Rate----
1
7.0
.
MASSACHUSETTS
9.5 (n)
----Flat Rate----
1
10.5 (n)
.
MINNESOTA
9.8 (o)
----Flat Rate----
1
9.8 (o)
.
MISSISSIPPI
3.0 - 5.0
5,000
.
10,000
3
3.0 - 5.0
.
MISSOURI
6.25
----Flat Rate----
1
7.0
* (k)
MONTANA
6.75 (p)
----Flat Rate----
1
6.75 (p)
.
NEBRASKA
5.58 - 7.81
.
50,000
.
2
--- (a)
.
NEW HAMPSHIRE
8.5 (q)
----Flat Rate----
1
8.5 (q)
.
NEW JERSEY
9.0 (r)
----Flat Rate----
1
9 (r)
.
NEW MEXICO
4.8 - 7.6
500,000
.
1 million
3
4.8 - 7.6
.
NEW YORK
7.5 (s)
----Flat Rate----
1
7.5 (s)
.
NORTH CAROLINA
6.9 (t)
----Flat Rate----
1
6.9 (t)
.
NORTH DAKOTA
2.6 - 7.0
3,000
.
30,000
5
7 (b)
*
OHIO
5.1 - 8.5 (u)
.
50,000
.
2
--- (u)
.
OKLAHOMA
6.0
----Flat Rate----
1
6.0
.
OREGON
6.6 (b)
----Flat Rate----
1
6.6 (b)
.
PENNSYLVANIA
9.99
----Flat Rate----
1
--- (a)
.
RHODE ISLAND
9.0 (b)
----Flat Rate----
1
9.0 (v)
.
SOUTH CAROLINA
5.0
----Flat Rate----
1
4.5 (w)
.
SOUTH DAKOTA
---
.
.
.
.
6.0-0.25% (b)
.
TENNESSEE
6.5
----Flat Rate----
1
6.5
.
UTAH
5.0 (b)
----Flat Rate----
.
5.0 (b)
.
VERMONT
7.0 - 9.75 (b)
10,000
.
250,000
4
7.0 - 9.75 (b)
.
VIRGINIA
6.0
----Flat Rate----
1
6.0 (x)
.
WEST VIRGINIA
9.0
----Flat Rate----
1
9.0
.
WISCONSIN
7.9
----Flat Rate----
1
7.9
.
DIST. OF COLUMBIA
9.975 (y)
----Flat Rate----
.
9.975 (y)
.