Johnsburg
Johnsburg is significantly wealthier than the US average, with a median household income of $121,023. Population has grown 18% since 2000. Median home value has risen by half since 2000, reaching $328,300. With a median age of 49.1, the population is older than the US median of 38.9. It ranks in the top 5% of US cities for household income. Households here earn about 45% more than the Illinois median.
Population & growth
PEP 2025 EST:6,445 residents (Census Bureau Vintage 2025, released March 2026)
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Education
Commute & transportation
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People & community
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How many people live in Johnsburg, Illinois?
Johnsburg, Illinois has about 6,386 residents according to the 2024 American Community Survey.
What is the median household income in Johnsburg, Illinois?
The typical household in Johnsburg, Illinois earns about $121,023 a year. Half of households make more than that, and half make less.
Is Johnsburg, Illinois expensive?
In Johnsburg, Illinois, the median home is worth about $328,300, and the typical rent is about $1,128 a month.
How educated are people in Johnsburg, Illinois?
About 24.3% of adults age 25 and over in Johnsburg, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Johnsburg, Illinois?
About 12.1% of people in Johnsburg, Illinois live below the federal poverty line.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024