Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Willisville had 579 residents in the 2020 census, down 17% since 2000.
It’s the 956th largest of 1,450 towns in Illinois by population.
Perry County grew from 19,830 residents in 1900 to 20,945 in 2020.
Perry County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 88°F in summer, and winter lows average 22°F. About 45.7 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Sparta 1 W, IL weather station (11 miles away).
Jobs in Perry County
4,302 jobs at 378 businesses in Perry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
1 doctors and other health care providers list an office in Willisville.
Nearest hospitals
Sparta Community HospitalCritical access hospital · emergency room · CMS rating 3 of 5 · Sparta11.1 miles
Memorial HospitalCritical access hospital · emergency room · Chester12.9 miles
Pinckneyville Community HospitalCritical access hospital · emergency room · Pinckneyville13.3 miles
Providers with an office here
Mental health providers
1
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Places in and around Willisville
Grocery stores
Tienda la Bendicion2.7 mi
El Milagro2.8 mi
Marketplace4.1 mi
Libraries
Cutler Public Library3.4 mi
Julia Hull District Library4.0 mi
Counts are within about 1 mile of the center of town.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.