If the question is about states of the United States of America then I don't think there is any one state.... several have 5 syllables.....
* California * North Carolina * Pennsylvania * South Carolina * West Virginia
If the question is about international states then, again, there is a tie
* The former Yugoslav Republic of Macedonia * The United Kingdom of Great Britain and Northern Ireland.
There are two syllables in the phrase "each state." The syllables in the phrase are each-state.
There are two syllables. Up-state.
There are 3 syllables. Mon-tan-a.
There are 2 syllables. State-ment.
State only has one syllable
Maine
There are 2 syllables in mostly. Most-ly.
Two state capitals that have 5 syllables are Indianapolis (In-di-a-na-pol-is) and Sacramento (Sac-ra-men-to).
It has ten syllables.
Austin and Boston
Most has one syllable.
The word almost has two syllables. Al-most.