Warren Township is a township in Lake County, Illinois, USA. As of the 2020 census, its population was 65,883. The cities of Gurnee, Park City, and Grayslake lie within its borders. The township was established in 1850 by settlers who came from the town of Warren, New York. Both were named in honor of Major General Joseph Warren, killed at the Battle of Bunker Hill.

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How Warren ranks

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#42Lowest depression in IL #100Fewest smokers in IL #108Most conserved land in IL All IL rankings →

Town numbers

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Living in Warren

Work & commute in Warren

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Most working residents leave Warren for work: only 12% work in town. The top destinations are Chicago (10%), Gurnee (9%) and Waukegan (8%). Half commute less than 13 miles.

Chicago

10%

Gurnee

Waukegan

Libertyville

12%Work in townlive and work in Warren 13 miWhere do people commute?the commute map 29,740Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Warren →

Health in Warren

Health Grade A

Healthier than 85% of U.S. towns on seven CDC estimates.

Compared with Illinois

11better than IL

of 32 measures CDC estimates. The other 21 are too close to call.

Conditions 3▲ 9 close Habits 2▲ 2 close Care 1▲ 6 close Mind 1▲ 4 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

12.6%Fewer adults facing food insecurityIL 15.9% · better 6.5%Fewer adults without reliable transportationIL 8% · better

Care nearby

Vista Medical Center EastWaukegan · 5.9 mi · ER

Grand Avenue Health CenterWaukegan · 3.6 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60031, 60083, 60030 · CMS · HRSAHealth in Warren →

Natural hazards in Warren

Very low

Expected storm and flood damage is higher than in 18% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

99Does Warren flood?paid flood claims since 1979 NoneDisasters that paid out hereof 15 declared for Lake County MapWarren vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Warren →

Climate in Warren

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Warren has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 16°, and about 43 inches of snow falls in a normal winter.

33° / 19°Winter

57° / 37°Spring

80° / 60°Summer

61° / 43°Fall

How much snow does Warren get?About 43 inches a winter.Rain & snow →When is the first frost?Around Oct 19, with the last in spring around Apr 30.Frost dates →Is it warmer than it used to be?+1.1° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Warren →

Schools in Warren

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B⁻

School Grade B-

The public schools Warren’s kids attend, from kindergarten through graduation, trail 53% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

#172Best public schoolsof 384 in IL

DistrictWoodland CCSD 50Schools17

Woodland Elementary BElementary · Grades 1–3 · 1,386 students Woodland Intermediate Sch BElementary · Grades 4–5 · 979 students Woodland Primary SchoolElementary · Grades PK–K · 657 students River Trail School CElementary · Grades K–8 · 471 students Spaulding Elementary SchoolElementary · Grades PK–2 · 450 students Country Meadows Montessori SchoolElementary · Grades PK–8 · 113 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.