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Facts and figures about
Cook County, Illinois

illinois
population

5,173,146

County Population

population

Chicago

County Seat

population

944 sq mi

County area

population

11.50%

Cook County sales tax rate

😵‍💫 1 CPA for every 300 people in Illinois = high CPA charges

😓 19 million Americans missed the tax filing deadline last year

😨 30 million people miss tax deductions without expert help

😣 Almost 50% of Americans end up overpaying

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Illinois State Income Tax Rates & Brackets for 2023

The following tables represents Illinois's income tax rates and tax brackets:

SINGLE FILER

Brackets

Rates

$0+

4.95%

MARRIED FILING JOINTLY

Brackets

Rates

$0+

4.95%

Filing Status

Standard Deduction Amt.

Single

n.a.

Couple

#VALUE!

Cook county Sales Tax Rates for 2023

City

Sales Tax Rate

Tax Jurisdiction

Chicago

10.25%

Chicago

Chicago

10.25%

Chicago Metro Pier And Exposition Authority District

Elgin

10.50%

Elgin

Arlington Heights

10%

Arlington Heights

Chicago

11%

River Grove

Cicero

10.75%

Berwyn

Evanston

10.25%

Evanston

Des Plaines

10.25%

Niles

Mount Prospect

10.25%

Mount Prospect Bd Sp

Berwyn

10.75%

Berwyn

Oak Lawn

10.25%

Chicago

Chicago Heights

10%

Chicago Heights

Hoffman Estates

10%

Hoffman Estates

Barrington

10%

Deer Park

Northbrook

10%

Northfield

Tinley Park

10.25%

Country Club Hills

Glenview

10.75%

Glenview Chestnut-Waukegan Business District Sp

Orland Park

10%

Oak Forest

Palatine

10%

Hoffman Estates

Schaumburg

10%

Elk Grove Village

Schaumburg

10%

Hoffman Estates

Elmwood Park

11%

Elmwood Park Harlem Ave North Ave Business District Sp

Streamwood

10%

Bartlett

Chicago

10.75%

Cicero

Park Ridge

10.25%

Chicago

Palatine

10%

Deer Park

Wheeling

10%

Arlington Heights

Elk Grove Village

10.25%

Chicago Metro Pier And Exposition Authority District

Skokie

10.25%

Chicago

Calumet City

11%

Calumet City Sibley/East End Avenue Bdd

La Grange

10%

La Grange Park 31St St Barnsdale Bd Sp

Oak Park

10.25%

Chicago

Niles

10.25%

Chicago

Des Plaines

10.25%

Chicago Metro Pier And Exposition Authority District

Wilmette

10.25%

Skokie

Lansing

9.50%

Lansing

Oak Forest

10%

Midlothian

Burbank

10.25%

Oak Lawn

Chicago

10.50%

Norridge

Orland Park

10%

Orland Hills

Skokie

11.25%

Skokie

Park Forest

10%

University Park

Tinley Park

10%

Orland Hills

Midlothian

10%

Crestwood

Morton Grove

10.50%

Morton Grove Dempster Waukegan Business District

Harvey

11.50%

Harvey

Lemont

10%

Lemont

Rolling Meadows

10%

Arlington Heights

Harwood Heights

11.50%

Norridge

Blue Island

10.50%

Robbins

Riverdale

10.25%

Chicago

Maywood

10.50%

Regional Transport. Authority (Rta)

Dolton

10.25%

Chicago

South Holland

10.50%

Harvey

Melrose Park

11%

River Grove

Alsip

10.25%

Chicago

Winnetka

10%

Northfield

Melrose Park

10.50%

Melrose Park

Homewood

10.25%

Country Club Hills

Evergreen Park

11%

Evergreen Park Place Business District Sp

Oak Park

10%

Oak Park

Matteson

11.50%

Richton Park Sauk Trail Bd Sp

Brookfield

10%

Brookfield

Bellwood

10.50%

Regional Transport. Authority (Rta)

Franklin Park

10.25%

Chicago

Palos Hills

10%

Worth

Westchester

10%

Broadview

Prospect Heights

10%

Arlington Heights

Riverside

11%

Riverside

Country Club Hills

10.25%

Country Club Hills

Palos Heights

10%

Alsip

Bridgeview

10.25%

Oak Lawn

Hazel Crest

10.50%

Harvey

Western Springs

10%

La Grange

Forest Park

10%

Forest Park

Hickory Hills

10%

Bridgeview

Justice

10%

Bedford Park

La Grange Park

10%

La Grange Park 31St Street Maple Avenue Bd Sp

Glenview

10%

Northbrook

Lincolnwood

10.25%

Lincolnwood

Chicago Ridge

10.50%

Chicago Ridge

Richton Park

11.50%

Richton Park Sauk Trail Bd Sp

Schiller Park

10%

Franklin Park

River Forest

10%

Elmwood Park

Palos Park

9.75%

Orland Park

Worth

10%

Alsip

Markham

10.50%

Harvey

River Grove

11%

River Grove

Flossmoor

10.25%

Country Club Hills

Summit Argo

10%

Bedford Park

Lyons

10%

Brookfield

Steger

10%

South Chicago Heights

Glencoe

9%

Regional Transport. Authority (Rta)

Glenwood

10%

Glenwood

Broadview

10%

Broadview

Hillside

10.50%

Regional Transport. Authority (Rta)

Willow Springs

10%

Willow Springs

Posen

10%

Markham

Berkeley

10.50%

Melrose Park

Olympia Fields

10%

Matteson

Hometown

10.25%

Oak Lawn

Robbins

10.50%

Robbins

Stone Park

10.50%

Melrose Park

Kenilworth

10%

Wilmette

Thornton

9.50%

South Holland

Golf

10.25%

Morton Grove

Palatine

10%

Palatine

Schaumburg

10%

Schaumburg

Hines

9%

Regional Transport. Authority (Rta)

Techny

10%

Northbrook

Oak Lawn

10.25%

Oak Lawn

Barrington

9%

Barrington

Northbrook

10%

Northbrook

Des Plaines

10%

Des Plaines

Bedford Park

10%

Bedford Park

Elk Grove Village

10%

Elk Grove Village

Frequently Asked Questions

How does online tax filing in Cook County Illinois work?

How is a CPA defined in Cook County Illinois?

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