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Lee County
countyLee County, Illinois
Overview
- Classification
- County
- FIPS Code
- 17-103
- Country
- United States
- County
- Lee County
Geography
- Region
- North-central Illinois
- Total Area
- 729 sq mi
- Land Area
- 725 sq mi
- Water Area
- 4.1 sq mi
- Latitude
- 41.843
- Longitude
- -89.433
- Climate
- Typical Midwestern climate with warm summers and cold winters
- Notable Features
- Rock River · Green River Ordnance Plant (wildlife area)
- Neighboring Areas
- Ogle County · DeKalb County · LaSalle County · Bureau County · Whiteside County
Demographics
- Population (2020)
- 34,145
- Est. Population (2026)
- 33,420
- Median Age
- 43
- Median Income
- $68,459
- Poverty Rate
- 11.82%
- Owner-Occupied
- 73.3%
- Racial & Ethnic Composition
- 84.3% White, 5.4% Black or African American, 7.2% Hispanic
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
- 3.7%
- Economic Profile
- Manufacturing and agriculture based economy
- Employment Sectors
- Manufacturing · Health Care & Social Assistance · Retail Trade · Education
Education
- Colleges & Universities
- Sauk Valley Community College
Recreation
- Outdoor Access
- Yes
- Major Recreation Areas
- Green River Ordnance Plant (wildlife area) · Dixon River Walk
History
- Founded
- 1839
- Named After
- Likely named after Lighthorse Harry Lee or Richard Henry Lee
- Historical Significance
- Important agricultural and manufacturing center in Illinois. Ronald Reagan's boyhood home.
- Key Events
- County split from Ogle County in 1839 · Ronald Reagan's boyhood home is Dixon