Back to Lake County Feed
Lake County
countyLake County, Illinois
Overview
- Classification
- County
- FIPS Code
- 17097
- Country
- United States
- County
- Lake County
Geography
- Region
- Northeastern Illinois
- Total Area
- 1,368 sq mi
- Land Area
- 444 sq mi
- Water Area
- 925 sq mi
- Latitude
- 42.43
- Longitude
- -87.78
- Climate
- Temperate climate with four distinct seasons. Cold winters and warm summers.
- Notable Features
- Lake Michigan · Chain O'Lakes · Des Plaines River
- Neighboring Areas
- McHenry County (West) · Wisconsin (North) · Cook County (South)
Demographics
- Population (2020)
- 714,342
- Est. Population (2026)
- 727,398
- Median Age
- 39.1
- Median Income
- $108,917
- Poverty Rate
- 8.07%
- Family Households
- 71.8%
- Owner-Occupied
- 74.4%
- Racial & Ethnic Composition
- 56.2% White, 6.3% Black or African American, 8.6% Asian, 24.9% Hispanic
Governance
- Government Type
- County Board
- Governing Body
- Lake County Board
- Municipal Services
- Public Safety · Health · Planning and Zoning · Road System · Judicial System
U.S. Congress
Durbin, Richard J.D
U.S. RepresentativeDuckworth, TammyD
U.S. RepresentativeJackson, Jonathan L.D
U.S. Representative - District 1Kelly, Robin L.D
U.S. Representative - District 2Ramirez, Delia C.D
U.S. Representative - District 3García, Jesús G. "Chuy"D
U.S. Representative - District 4Quigley, MikeD
U.S. Representative - District 5Casten, SeanD
U.S. Representative - District 6Davis, Danny K.D
U.S. Representative - District 7Krishnamoorthi, RajaD
U.S. Representative - District 8Schakowsky, Janice D.D
U.S. Representative - District 9Schneider, Bradley ScottD
U.S. Representative - District 10Foster, BillD
U.S. Representative - District 11Bost, MikeR
U.S. Representative - District 12Budzinski, NikkiD
U.S. Representative - District 13Underwood, LaurenD
U.S. Representative - District 14Miller, Mary E.R
U.S. Representative - District 15LaHood, DarinR
U.S. Representative - District 16Sorensen, EricD
U.S. Representative - District 17Economy
- Unemployment Rate
- 4.6%
- Economic Profile
- Life Sciences · Advanced Manufacturing · Professional Services · Mixed-Use Development
- Employment Sectors
- Manufacturing · Health Care & Social Assistance · Retail Trade
- Major Employers
- Abbott · AbbVie · Walgreens · Wintrust Financial Corporation · Medline Industries, LP
Education
- Student-Teacher Ratio
- 16:1
- School Districts
- Libertyville School District 70 · Adlai E. Stevenson High School District 125 · Lake Forest School Districts 67 & 115
- Colleges & Universities
- College of Lake County · Rosalind Franklin University of Medicine and Science · Lake Forest College
Infrastructure
- Transportation
- Interstates (I-94, I-294) · U.S. Routes (US 41, US 45, US 12) · Metra Rail · Pace Bus Service
- Utilities
- Water · Sewer · Electricity · Natural Gas · Broadband Internet
- Major Facilities
- Lake County Courthouse (Waukegan) · Hospitals (e.g., Advocate Condell Medical Center) · Naval Station Great Lakes
Recreation
- Outdoor Access
- Yes
- Major Recreation Areas
- Illinois Beach State Park · Chain O'Lakes State Park · Lake County Forest Preserves
- Parks & Trails
- Des Plaines River Trail · Independence Grove Forest Preserve · Fort Sheridan Forest Preserve
History
- Founded
- 1839
- Named After
- Lake Michigan and numerous inland lakes
- Historical Significance
- Historically significant for its agricultural and manufacturing contributions, its role in the development of Chicago's North Shore, and its current status as a major suburban economic center.
- Key Events
- Establishment of Naval Station Great Lakes (1911) · Development of North Shore suburbs · Creation of Lake County Forest Preserve District (1958)