Olney is a city in Richland County, Illinois, home to about 8,577 people across 6.9 square miles. Its ZIP code is 62450.
Homes sold for a median of $97 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 Olney. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Olney’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Indianapolis International Airport (IND)117 miles away |
|---|---|
| Closer regional airport | Evansville Regional Airport (EVV)57 miles away |
| Nearest city of 250,000+ | St. Louis, MO117 miles away |
| Nearest city of 1 million+ | Chicago, IL215 miles away |
Straight-line distances from the center of Olney; 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.
Olney had 8,701 residents in the 2020 census, up 1% since 2000.
It’s the 253rd largest of 1,450 towns in Illinois by population.
Richland County grew from 16,391 residents in 1900 to 15,813 in 2020.
Richland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 21°F. About 48.8 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Olney 2s, IL weather station (2 miles away).
5,377 jobs at 423 businesses in Richland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
187 doctors and other health care providers list an office in Olney.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 18 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 35 |
| Mental health providers | 84 |
| Physical and occupational therapists | 22 |
| Optometrists | 3 |
| Chiropractors | 7 |
| Pharmacies | 8 |
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.
Parks (8 nearby)
Grocery stores (3 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1848.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Richland County CUSD 1, Clay/Cwford/Jsper/Lwrnce/Rhland. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Richland County Erly Childhd CtrOlney | Pre-K | 149 | Public | 1.4 mi |
| Richland County Elementary SchoolOlney | K–5 | 888 | Public | 1.3 mi |
| Assist Rssp 12Olney | 6–12 | — | Alternative Education | 0.4 mi |
| Assist Taoep 12Olney | 6–12 | — | Alternative Education | 0.4 mi |
| Richland County Middle SchoolOlney | 6–8 | 439 | Public | 0.9 mi |
| Richland County High SchoolOlney | 9–12 | 669 | Public | 0.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Joseph's Catholic ChurchOlney | Pre-K–8 | 223 | Roman Catholic | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private 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.