In DeKalb, Illinois, the median home price is $299,129, compared with the Illinois median of $298,585; median household income is $70,724; the population is 100,703; schools rate 3.7 out of 10; the violent crime rate is 274.6 per 100k; and the average commute is 26.7 minutes. Sources: Zillow Research and the US Census Bureau.
Data updated June 2026 - Source: Zillow Research
DeKalb at a glance
Population
100,703
Median Household Income
$70,724
Typical Home Value
$299,129
School District Rating
3.7
Violent Crime Rate
274.6
Avg Commute Time
26.7
About DeKalb
DeKalb has a population of 100,703. The median home value is $299,129, 0% above the Illinois median. Median household income is $70,724 (15% below the Illinois median). The most populated towns are DeKalb, Sycamore, and Cortland.
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 DeKalb
19 towns, by population.
- DeKalb42,778 pop.
- Sycamore14,846 pop.
- Cortland11,312 pop.
- Sandwich7,529 pop.
- Genoa5,606 pop.
- Kingston3,464 pop.
- Squaw Grove2,716 pop.
- Franklin2,286 pop.
- Clinton2,149 pop.
- Somonauk1,827 pop.
- Malta1,741 pop.
- Shabbona1,082 pop.
- Afton938 pop.
- Mayfield851 pop.
- Pierce554 pop.
- South Grove352 pop.
- Milan286 pop.
- Paw Paw198 pop.
- Victor188 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
DeKalb at a glance: frequently asked questions
- What is the population of DeKalb?
- DeKalb has a population of 100,703 based on the most recent US Census estimate.
- What is the median home price in DeKalb?
- The median home value in DeKalb is $299,129. Open the interactive map to see the distribution town by town.
- What is the median household income in DeKalb?
- Median household income in DeKalb is $70,724 per year, sourced from the US Census American Community Survey.
- What state is DeKalb in?
- DeKalb is in Illinois.
- How many towns are in DeKalb?
- DeKalb contains 19 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare DeKalb with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.