Frederick is an unincorporated community in Schuyler County, Illinois, United States. Frederick is near the Illinois River, 4 miles (6.4 km) north of Beardstown. Frederick has a post office with ZIP code 62639.

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Town numbers

ZIP code62639

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Living in Frederick

Health in Frederick

Compared with Illinois

4better than IL·9worse

of 32 measures CDC estimates. The other 19 are too close to call.

Conditions 7▼ 5 close Habits 1▼ 3 close Care 2▲ 5 close Mind 1▼ 4 close Everyday needs 2▲ 2 close

BetterToo close to callWorse

What stands out

7.2%Fewer uninsured adultsIL 9.9% · better 10%Fewer adults facing housing insecurityIL 13.2% · better 8.7%More adults with COPDIL 6.3% · worse

Care nearby

Sarah D Culbertson Memorial HospitalRushville · 7.3 mi · ER · rural critical access

Cass County Health Clinic BeardstownBeardstown · 6 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62639, 62624, 62681 · CMS · HRSAHealth in Frederick →

Natural hazards in Frederick

High

Expected storm and flood damage is higher than in 75% of U.S. communities.

🌊 Inland flooding🥶 Cold waves💨 Strong wind

0Does Frederick flood?no paid flood claims on record 2Disasters that paid out herefederal disasters sent FEMA money to Frederick MapFrederick vs. its neighborsnearby towns shaded by rating

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

Climate in Frederick

Full climate →

Frederick has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 18°, and about 12 inches of snow falls in a normal winter.

38° / 21°Winter

63° / 42°Spring

84° / 63°Summer

65° / 44°Fall

How much snow does Frederick get?About 12 inches a winter.Rain & snow →When is the first frost?Around Oct 23, with the last in spring around Apr 16.Frost dates →Is it warmer than it used to be?+0.6° vs. the 20th century.Then & now →

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

Libraries near Frederick

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Nearest: Beardstown Houston Memorial Public LibraryBeardstown · 6 miles · 39 hrs a week

Famous people from FrederickWriters, athletes, leaders and more who were born in Frederick.Meet them →

Where Frederick is

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Imported town boundary

Illinois · IL · Schuyler CountyTown boundary on OpenStreetMap →

How things work in Frederick

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