Knoxville is a city in Knox County, Illinois, home to about 3,211 people across 2.4 square miles. Its ZIP code is 61448.
Homes sold for a median of $116 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 Knoxville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Knoxville’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)144 miles away |
|---|---|
| Closer regional airport | General Wayne A. Downing Peoria International Airport (PIA)35 miles away |
| Nearest city of 250,000+ | Chicago, IL149 miles away |
Straight-line distances from the center of Knoxville; 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.
Knoxville had 2,901 residents in the 2020 census, down 9% since 2000.
It’s the 419th largest of 1,450 towns in Illinois by population.
Knox County grew from 43,612 residents in 1900 to 49,967 in 2020.
Knox County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 40.5 inches of rain and melted snow fall in a typical year, with about 25 inches of snow.
Source: NOAA 1991–2020 climate normals, Knoxville, IL weather station (about a mile away).
14,242 jobs at 968 businesses in Knox County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
11 doctors and other health care providers list an office in Knoxville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 1 |
| Physical and occupational therapists | 2 |
| Chiropractors | 2 |
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 (1 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues
Counts are within about 1.5 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 1831.
Colleges and universities
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 Knoxville CUSD 202. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mable Woolsey Elem SchoolKnoxville | Pre-K–4 | 383 | Public | 0.8 mi |
| Knoxville Jr High SchoolKnoxville | 5–8 | 262 | Public | 0.8 mi |
| Knoxville Sr High SchoolKnoxville | 9–12 | 272 | Public | 0.7 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.