Wiktionary(0.00 / 0 votes)Rate this definition: 1  simmer(Noun) The state or process of simmering. 2  simmer(Verb) To cook or undergo heating slowly at or below the boiling point. 3  simmer(Verb) To cause to cook or to cause to undergo heating slowly at or below the boiling point.
Middlesboro, Kentucky. Not to be confused with Middletown, Kentucky, near Louisville. Middlesboro (local /ËmÉªdÉlzbÉËrÉ/) is a home rule-class city in Bell County, Kentucky, United States. The population was 10,334 at the 2010 U.S. census, while its micropolitan area had a population of 69,060. It is located 1 mile west of the Cumberland Gap and is the largest city in southeastern Kentucky.
The Middlesboro income tax is due on April 15th, when you file your federal and state tax returns. Because calculating your local income tax is relatively simple compared to your other tax returns, many tax preparers will file your Middlesboro income tax return for free.