Mooney & Boland · IL
Private Detectives in Illinois
Confidential private detective inquiries for 862 communities in Illinois, coordinated with independent private detectives licensed where the work takes place.
Largest communities
Most-populated places in Illinois.
Illinois licenses private detectives and private detective agencies through the Department of Financial and Professional Regulation. Official regulator: Illinois Department of Financial and Professional Regulation (IDFPR).
Chicago2,711,226 residentsAurora179,898 residentsRockford Township169,035 residentsWheeling Township153,991 residentsThornton Township153,682 residentsNaperville150,692 residentsJoliet150,445 residentsWorth Township, Cook County149,419 residentsDowners Grove Township149,038 residentsProviso Township147,690 residentsRockford147,521 residentsMaine Township137,069 residents
Every community
All 862 Illinois location pages, by county.
Bond County
Boone County
Brown County
Carroll County
Cass County
Champaign County
Christian County
Clark County
Clay County
Clinton County
Cook County
- Alsip
- Arlington Heights
- Barrington
- Barrington Hills
- Barrington Township
- Bellwood
- Berkeley
- Berwyn
- Berwyn Township
- Bloom Township
- Blue Island
- Bremen Township
- Bridgeview
- Broadview
- Brookfield
- Burbank
- Burnham
- Calumet City
- Calumet Park
- Calumet Township
- Chicago
- Chicago Heights
- Chicago Ridge
- Cicero
- Country Club Hills
- Countryside
- Crestwood
- Des Plaines
- Dixmoor
- Dolton
- Elk Grove Township
- Elk Grove Village
- Elmwood Park
- Evanston
- Evergreen Park
- Flossmoor
- Forest Park
- Franklin Park
- Glencoe
- Glenview
- Glenwood
- Hanover Park
- Hanover Township
- Harvey
- Harwood Heights
- Hazel Crest
- Hickory Hills
- Hillside
- Hoffman Estates
- Hometown
- Homewood
- Indian Head Park
- Inverness
- Justice
- Kenilworth
- La Grange
- La Grange Park
- Lansing
- Lemont
- Lemont Township
- Leyden Township
- Lincolnwood
- Lynwood
- Lyons
- Lyons Township
- Maine Township
- Markham
- Matteson
- Maywood
- Melrose Park
- Midlothian
- Morton Grove
- Mount Prospect
- New Trier Township
- Niles
- Niles Township
- Norridge
- North Riverside
- Northbrook
- Northfield
- Northfield Township
- Northlake
- Norwood Park Township
- Oak Forest
- Oak Lawn
- Oak Park
- Oak Park Township
- Olympia Fields
- Orland Hills
- Orland Park
- Orland Township
- Palatine
- Palatine Township
- Palos Heights
- Palos Hills
- Palos Park
- Palos Township
- Park Forest
- Park Ridge
- Posen
- Prospect Heights
- Proviso Township
- Rich Township
- Richton Park
- River Forest
- River Forest Township
- River Grove
- Riverdale
- Riverside
- Riverside Township
- Robbins
- Rolling Meadows
- Rosemont
- Sauk Village
- Schaumburg
- Schaumburg Township
- Schiller Park
- Skokie
- South Barrington
- South Chicago Heights
- South Holland
- Stickney
- Stickney Township
- Stone Park
- Streamwood
- Summit
- Thornton Township
- Tinley Park
- Westchester
- Western Springs
- Wheeling
- Wheeling Township
- Willow Springs
- Wilmette
- Winnetka
- Worth
- Worth Township, Cook County
Crawford County
Cumberland County
De Witt County
DeKalb County
DuPage County
- Addison
- Addison Township
- Bartlett
- Bensenville
- Bloomingdale
- Bloomingdale Township
- Burr Ridge
- Carol Stream
- Clarendon Hills
- Darien
- Downers Grove
- Downers Grove Township
- Elmhurst
- Glen Ellyn
- Glendale Heights
- Hinsdale
- Itasca
- Lisle
- Lisle Township
- Lombard
- Milton Township
- Naperville
- Naperville Township
- Oak Brook
- Oakbrook Terrace
- Roselle
- Villa Park
- Warrenville
- Wayne
- Wayne Township
- West Chicago
- Westmont
- Wheaton
- Willowbrook
- Winfield
- Winfield Township
- Wood Dale
- Woodridge
- York Township, DuPage County
Edgar County
Effingham County
Fayette County
Franklin County
Greene County
Grundy County
Hamilton County
Hancock County
Henry County
Iroquois County
Jackson County
Jasper County
Jefferson County
Jo Daviess County
Kane County
- Aurora
- Aurora Township
- Batavia
- Batavia Township
- Blackberry Township
- Campton Hills
- Campton Township
- Carpentersville
- Dundee Township
- East Dundee
- Elburn
- Elgin
- Elgin Township
- Geneva
- Geneva Township
- Gilberts
- Hampshire
- Hampshire Township
- North Aurora
- Pingree Grove
- Plato Township
- Rutland Township, Kane County
- Sleepy Hollow
- South Elgin
- St. Charles
- St. Charles Township
- Sugar Grove
- Sugar Grove Township
- West Dundee
Kankakee County
Kendall County
LaSalle County
Lake County
- Antioch
- Antioch Township
- Avon Township
- Beach Park
- Benton Township, Lake County
- Buffalo Grove
- Cuba Township
- Deer Park
- Deerfield
- Ela Township
- Fox Lake
- Fremont Township
- Gages Lake
- Grandwood Park
- Grant Township, Lake County
- Grayslake
- Green Oaks
- Gurnee
- Hainesville
- Hawthorn Woods
- Highland Park
- Highwood
- Kildeer
- Lake Barrington
- Lake Bluff
- Lake Forest
- Lake Villa
- Lake Villa Township
- Lake Zurich
- Lakemoor
- Libertyville
- Libertyville Township
- Lincolnshire
- Lindenhurst
- Long Grove
- Long Lake
- Moraine Township
- Mundelein
- Newport Township
- North Barrington
- North Chicago
- Park City
- Riverwoods
- Round Lake
- Round Lake Beach
- Round Lake Heights
- Round Lake Park
- Shields Township
- Vernon Hills
- Vernon Township
- Volo
- Wadsworth
- Warren Township
- Wauconda
- Wauconda Township
- Waukegan
- Waukegan Township
- West Deerfield Township
- Winthrop Harbor
- Zion
- Zion Township
Lawrence County
Macon County
Macoupin County
Madison County
- Alton
- Alton Township
- Bethalto
- Chouteau Township
- Collinsville
- Collinsville Township
- East Alton
- Edwardsville
- Edwardsville Township
- Fort Russell Township
- Foster Township
- Glen Carbon
- Godfrey
- Granite City
- Granite City Township
- Hamel Township
- Helvetia Township
- Highland
- Holiday Shores
- Jarvis Township
- Madison
- Maryville
- Moro Township
- Nameoki Township
- Pin Oak Township
- Pontoon Beach
- Rosewood Heights
- Saline Township
- St. Jacob Township
- Troy
- Venice Township
- Wood River
- Wood River Township
Marion County
Marshall County
Mason County
Massac County
McDonough County
McHenry County
- Algonquin
- Algonquin Township
- Burton Township
- Cary
- Chemung Township
- Coral Township
- Crystal Lake
- Dorr Township
- Dunham Township
- Fox River Grove
- Grafton Township
- Greenwood Township
- Harvard
- Huntley
- Island Lake
- Johnsburg
- Lake in the Hills
- Lakewood
- Marengo
- Marengo Township
- McHenry
- McHenry Township
- Nunda Township
- Pistakee Highlands
- Richmond
- Richmond Township
- Riley Township
- Seneca Township
- Spring Grove
- Wonder Lake
- Woodstock
McLean County
Mercer County
Montgomery County
Morgan County
Moultrie County
Ogle County
Peoria County
Perry County
Piatt County
Pike County
Putnam County
Richland County
Rock Island County
Sangamon County
Schuyler County
Shelby County
St. Clair County
- Belleville
- Cahokia Heights
- Canteen Township
- Caseyville
- Caseyville Township
- Centreville Township
- Dupo
- East St. Louis
- East St. Louis Township
- Fairview Heights
- Freeburg
- Freeburg Township
- Lebanon
- Lebanon Township
- Mascoutah
- Mascoutah Township
- Millstadt
- Millstadt Township
- New Athens Township
- O'Fallon
- O'Fallon Township
- Prairie Du Long Township
- Scott AFB
- Shiloh
- Shiloh Valley Township
- Smithton
- Smithton Township
- St. Clair Township
- Stookey Township
- Sugar Loaf Township
- Swansea
Stark County
Stephenson County
Tazewell County
Union County
Vermilion County
Wabash County
Warren County
Washington County
Wayne County
White County
Whiteside County
Will County
- Beecher
- Bolingbrook
- Braidwood
- Channahon
- Channahon Township
- Crest Hill
- Crete
- Crete Township
- Du Page Township
- Fairmont
- Frankfort
- Frankfort Square
- Frankfort Township, Will County
- Green Garden Township
- Homer Glen
- Homer Township
- Ingalls Park
- Jackson Township
- Joliet
- Joliet Township
- Lockport
- Lockport Township
- Manhattan
- Manhattan Township
- Mokena
- Monee
- Monee Township
- New Lenox
- New Lenox Township
- Peotone
- Peotone Township
- Plainfield
- Plainfield Township
- Reed Township
- Ridgewood
- Rockdale
- Romeoville
- Shorewood
- Steger
- Troy Township
- University Park
- Washington Township, Will County
- Wheatland Township
- Wilmington
- Wilmington Township
Williamson County
Winnebago County
Communities with more than 2,500 residents (U.S. Census Bureau ACS 5-year estimates). Statewide information for Illinois.