Dieterich is a village in Effingham County, Illinois, home to about 1,169 people across 1.4 square miles. Its ZIP code is 62424.
Homes sold for a median of $142 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Dieterich. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dieterich’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)107 miles away |
|---|---|
| Closer regional airport | Decatur Airport (DEC)61 miles away |
| Nearest city of 250,000+ | St. Louis, MO103 miles away |
| Nearest city of 1 million+ | Chicago, IL197 miles away |
Straight-line distances from the center of Dieterich; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Dieterich had 890 residents in the 2020 census, up 51% since 2000.
It’s the 661st largest of 1,450 towns in Illinois by population.
Effingham County grew from 20,465 residents in 1900 to 34,668 in 2020.
Effingham County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 22°F. About 46 inches of rain and melted snow fall in a typical year, with about 16 inches of snow.
Source: NOAA 1991–2020 climate normals, Newton, IL weather station (12 miles away).
32,183 jobs at 1,263 businesses in Effingham County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Dieterich.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Physical and occupational therapists | 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.
Public schools here are run by Dieterich CUSD 30. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Dieterich Elem SchoolDieterich | Pre-K–6 | 359 | Public | 2.2 mi |
| Dieterich Jr/Sr High SchoolDieterich | 7–12 | 273 | Public | 2.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.