Lake
IL flag

Lake

County

Territory

  • officials recorded 17
  • partly recorded 28
  • nothing recorded 9
GEOID
17097
OCD-ID
ocd-division/country:us/state:il/county:lake
POP
719,339 (2025)
CENTER
42.3253, -87.6312
SOURCE
census tiger

Government of Lake

Bodies, seats, agencies and services that belong to Lake itself. Jurisdictions inside it are listed separately below.

County Board
1/2 seats recorded

Organization 20

Departments

  • Independently elected office responsible for maintaining court records and processing court filings in Lake County, Illinois.

  • Independently elected office responsible for investigating deaths and determining cause and manner of death in Lake County, Illinois.

  • Chief administrative office overseeing day-to-day operations of Lake County, Illinois government.

  • County Board Legislative

    Legislative body of Lake County, Illinois. Composed of 19 members elected from geographic districts.

  • Independently elected office responsible for elections, vital records, and official county documents in Lake County, Illinois.

  • Independently elected office responsible for collecting and distributing property taxes and managing county funds in Lake County, Illinois.

  • Coordinates emergency preparedness, response, and recovery operations for Lake County, Illinois.

  • Manages county budgeting, accounting, purchasing, and administrative services for Lake County, Illinois.

  • Provides public health services, disease prevention, and health inspection programs for Lake County, Illinois.

  • Manages employee recruitment, benefits, training, and labor relations for Lake County, Illinois government.

  • Provides technology infrastructure, applications, and digital services for Lake County, Illinois government.

  • Manages land use planning, building permits, zoning, and community development for Lake County, Illinois.

  • Provides legal representation to indigent defendants in criminal cases in Lake County, Illinois.

  • Public Works Public Works

    Maintains county infrastructure including roads, bridges, buildings, and stormwater systems in Lake County, Illinois.

  • Independently elected office responsible for recording and maintaining property records and documents in Lake County, Illinois.

  • Independently elected office overseeing educational standards, teacher certification, and school compliance in Lake County, Illinois.

  • Independently elected law enforcement agency for Lake County, Illinois. Provides patrol, corrections, and court security services.

  • Independently elected chief legal officer for Lake County, Illinois. Prosecutes criminal cases and represents the county in civil matters.

  • Plans and manages county transportation systems and transit services in Lake County, Illinois.

  • Provides assistance, benefits counseling, and support services to veterans and their families in Lake County, Illinois.

Within Lake

Each of these governs itself. Counts are that jurisdiction's own records.

jurisdictions
88
agencies
225
bodies
45
officials
109
Name Agencies Bodies Officials
Waukegan 2 1 0
Buffalo Grove 8 1 7
North Chicago 8 1 1
Mundelein 7 1 7
Highland Park 3 1 7
Gurnee 4 1 3
Round Lake Beach 7 1 7
Vernon Hills 7 1 7
Zion 7 1 5
Grayslake 7 1 8
Libertyville 7 1 8
Lake Zurich 7 1 7
Lake Forest 9 1 8
Deerfield 6 1 7
Round Lake 7 2 8
Antioch 8 1 0
Lindenhurst 4 1 0
Beach Park 9 1 0
Wauconda 6 1 0
Fox Lake 1 0 0
Hawthorn Woods 8 1 0
Lake Villa 4 4 0
Long Grove 5 1 0
Lincolnshire 5 1 0
Park City 3 1 0
Round Lake Park 7 4 17
Volo 1 0 0
Winthrop Harbor 3 1 0
Lake Bluff 6 0 0
Highwood 6 1 0
Lake Barrington 5 0 0
Kildeer 3 0 0
Green Oaks 5 0 0
Riverwoods 5 0 0
Deer Park 5 2 0
Hainesville 2 1 0
Wadsworth 3 0 0
North Barrington 5 1 0
Round Lake Heights 5 3 0
Bannockburn 7 1 0
Tower Lakes 3 0 0
Third Lake 2 0 0
Mettawa 1 1 0
Indian Creek 1 1 1
Old Mill Creek 1 1 1
Antioch Community Consolidated School District 34 0 0 0
Aptakisic-Tripp Community Consolidated School District 0 0 0
Bannockburn School District 106 0 0 0
Beach Park Community Consolidated School District 3 0 0 0
Big Hollow School District 38 0 0 0

Showing the 50 largest of 88. Totals include all of them.