In Jefferson, Illinois, the median home price is $143,065; median household income is $63,118; the population is 36,550; schools rate 3.2 out of 10; the violent crime rate is 422.9 per 100k; and the average commute is 19.6 minutes.
Data updated April 2026 - Source: Zillow Research
Jefferson at a glance
Population
36,550
Median Household Income
$63,118
Typical Home Value
$143,065
School District Rating
3.2
Violent Crime Rate
422.9
Avg Commute Time
19.6
About Jefferson
Jefferson has a population of 36,550. The median home value is $143,065, 52% below the Illinois median. Median household income is $63,118 (24% below the Illinois median). The most populated towns are Mount Vernon, Shiloh, and Dodds.
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 Jefferson
16 towns, by population.
Jefferson at a glance: frequently asked questions
- What is the population of Jefferson?
- Jefferson has a population of 36,550 based on the most recent US Census estimate.
- What is the median home price in Jefferson?
- The median home value in Jefferson is $143,065. Open the interactive map to see the distribution town by town.
- What is the median household income in Jefferson?
- Median household income in Jefferson is $63,118 per year, sourced from the US Census American Community Survey.
- What state is Jefferson in?
- Jefferson is in Illinois.
- How many towns are in Jefferson?
- Jefferson contains 16 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare Jefferson with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.
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