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Facts and figures about
Middlesex County, Connecticut
164,759
County Population
Middletown
County Seat
369 sq mi
County area
6.35%
Middlesex County sales tax rate
😵💫 Connecticut CPAs cost a lot when there's only one for every 516 residents.
😓 19 million taxpayers were late filing taxes last year.
😨 Without a trained tax professional, 30 million Americans miss tax-saving deductions.
😣 Nearly half of Americans end up paying more tax than they have to.
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Connecticut State Income Tax Rates & Brackets for 2023
The following tables represents Connecticut's income tax rates and tax brackets:
SINGLE FILER
Brackets
Rates
$0 - $10,000
3.00%
$10,000 - $50,000
5.00%
$50,000 - $ 1,00,000
5.50%
$ 1,00,000 - $ 2,00,000
6.00%
$ 2,00,000 - $ 2,50,000
6.50%
$ 2,50,000 - $ 5,00,000
6.90%
$ 5,00,000+
6.99%
MARRIED FILING JOINTLY
Brackets
Rates
$0 - $20,000
3.00%
$20,000 - $ 1,00,000
5.00%
$ 1,00,000 - $ 2,00,000
5.50%
$ 2,00,000 - $ 4,00,000
6.00%
$ 4,00,000 - $ 5,00,000
6.50%
$ 5,00,000 - $ 10,00,000
6.90%
$ 10,00,000+
6.99%
Filing Status
Standard Deduction Amt.
Single
n.a.
Couple
#VALUE!
Middlesex county Sales Tax Rates for 2023
City
Sales Tax Rate
Tax Jurisdiction
Middletown
6.35%
Connecticut
Cromwell
6.35%
Connecticut
Clinton
6.35%
Connecticut
East Hampton
6.35%
Connecticut
Old Saybrook
6.35%
Connecticut
Portland
6.35%
Connecticut
Durham
6.35%
Connecticut
Westbrook
6.35%
Connecticut
Killingworth
6.35%
Connecticut
Higganum
6.35%
Connecticut
East Haddam
6.35%
Connecticut
Deep River
6.35%
Connecticut
Chester
6.35%
Connecticut
Essex
6.35%
Connecticut
Middlefield
6.35%
Connecticut
Moodus
6.35%
Connecticut
Ivoryton
6.35%
Connecticut
Haddam
6.35%
Connecticut
Rockfall
6.35%
Connecticut
Centerbrook
6.35%
Connecticut
Cobalt
6.35%
Connecticut
Middle Haddam
6.35%
Connecticut
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