Proviso Township is one of 29 townships in Cook County, Illinois, United States. As of the 2020 census, its population was 151,209. It was organized in 1850 and originally named "Taylor", but shortly afterward its name was changed to make reference to the Wilmot Proviso, a contemporary piece of legislation intended to stop the spread of slavery. The Proviso Township government office is located at 4565 West Harrison Street, Hillside, IL 60162.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Proviso ranks

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#42Lowest depression in IL #105Most walkable in IL #139Closest to a top hospital in IL All IL rankings →

Town numbers

ZIP codeSign in to add

Area code708

Living in Proviso

Health in Proviso

B⁺

Health Grade B+

Healthier than 68% of U.S. towns on seven CDC estimates.

Compared with Illinois

1better than IL·5worse

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 1▲ 11 close Habits all close Care 1▼ 6 close Mind all close Everyday needs 4▼ 0 close

BetterToo close to callWorse

What stands out

6.9%Fewer adults who have had cancerIL 7.6% · better 17.8%More adults facing housing insecurityIL 13.2% · worse

Care nearby

Hines VA Medical CenterHines · 1.8 mi · ER

Pcc Melrose Park Family Health CenterMelrose Park · 2.3 mi · sliding-scale fees

2 hospitals · 3 health centers in Proviso →

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60154, 60526, 60162 · CMS · HRSAHealth in Proviso →

Natural hazards in Proviso

High

Expected storm and flood damage is higher than in 71% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

2,580Does Proviso flood?paid flood claims since 1978 NoneDisasters that paid out hereof 21 declared for Cook County MapProviso vs. its neighborsnearby towns shaded by rating

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

Climate in Proviso

Full climate →

Proviso has chilly, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 17°, and about 42 inches of snow falls in a normal winter.

35° / 20°Winter

59° / 39°Spring

82° / 62°Summer

62° / 44°Fall

How much snow does Proviso get?About 42 inches a winter.Rain & snow →When is the first frost?Around Oct 28, with the last in spring around Apr 16.Frost dates →Is it warmer than it used to be?+1.4° vs. the 20th century.Then & now →

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

Schools in Proviso

All Proviso schools →

School Grade D

The public schools Proviso’s kids attend, from kindergarten through graduation, trail 89% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

See how Proviso’s schools compare in IL →

DistrictProviso Twp HSD 209Schools61

Brook Park Elem School B+Elementary · Grades K–5 · 889 students Melrose Park Elem School D-Elementary · Grades PK–5 · 602 students Komarek Elem School BElementary · Grades PK–8 · 570 students Forest Road Elem School A-Elementary · Grades 1–6 · 452 students Hillside Elem School C-Elementary · Grades PK–8 · 440 students Lincoln Elem School D-Elementary · Grades PK–5 · 431 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.