In Knox, Illinois, the median home price is $123,085, compared with the Illinois median of $298,585; median household income is $57,030; the population is 49,046; schools rate 3.1 out of 10; the violent crime rate is 209.6 per 100k; and the average commute is 20.4 minutes. Sources: Zillow Research and the US Census Bureau.
Data updated June 2026 - Source: Zillow Research
Knox at a glance
Population
49,046
Median Household Income
$57,030
Typical Home Value
$123,085
School District Rating
3.1
Violent Crime Rate
209.6
Avg Commute Time
20.4
About Knox
Knox has a population of 49,046. The median home value is $123,085, 59% below the Illinois median. Median household income is $57,030 (32% below the Illinois median). The most populated towns are Galesburg, Knox, and Cedar.
Data comes from public sources including the U.S. Census Bureau, the National Center for Education Statistics, the FBI, the EPA, Zillow, and Redfin. Source attribution is shown on each metric.
Towns in Knox
21 towns, by population.
- Galesburg City29,481 pop.
- Knox4,871 pop.
- Cedar2,993 pop.
- Indian Point1,796 pop.
- Henderson1,627 pop.
- Persifer1,190 pop.
- Ontario1,037 pop.
- Sparta908 pop.
- Truro772 pop.
- Walnut Grove707 pop.
- Salem667 pop.
- Orange566 pop.
- Copley441 pop.
- Haw Creek370 pop.
- Maquon360 pop.
- Rio343 pop.
- Victoria260 pop.
- Galesburg226 pop.
- Elba190 pop.
- Chestnut166 pop.
- Lynn75 pop.
County rankings in Illinois
Every county in Illinois, ranked on one decision metric at a time.
- Cheapest Counties to Buy a House
- Counties With the Lowest Monthly Housing Payment
- Counties With the Lowest Property Tax
- Counties With the Cheapest Homeowners Insurance
- Counties With the Cheapest Childcare
- Safest Counties From Natural Disasters
- Counties With the Lowest Flood Risk
- Counties With the Lowest Wildfire Risk
- Safest Counties (Lowest Violent Crime)
- Counties With the Best School Ratings
- Counties With the Highest Household Income
- Counties With the Shortest Commute
- Counties Where Homes Sell Fastest
Knox at a glance: frequently asked questions
- What is the population of Knox?
- Knox has a population of 49,046 based on the most recent US Census estimate.
- What is the median home price in Knox?
- The median home value in Knox is $123,085. Open the interactive map to see the distribution town by town.
- What is the median household income in Knox?
- Median household income in Knox is $57,030 per year, sourced from the US Census American Community Survey.
- What state is Knox in?
- Knox is in Illinois.
- How many towns are in Knox?
- Knox contains 21 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare Knox with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.