Johnsburg, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Johnsburg, Illinois had a total population of 6,386, the 297th largest village in Illinois, with a median household income of $121,023, which is 45% higher than the state average. The poverty rate is 12.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 45% above the state average — one of the wealthiest communities in Illinois.
Johnsburg Quick Facts
How Johnsburg Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 6,374 | 6,386 | +0.2% |
| Median household income | $106,827 | $121,023 | +13.3% |
| Median home value | $312,200 | $328,300 | +5.2% |
How Johnsburg Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Johnsburg Rankings in Illinois
Explore Illinois Rankings
Other Cities in McHenry County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Crystal Lake | 40,579 | $108,418 | 6.8% | $311,400 |
| Lake in the Hills | 28,800 | $117,151 | 4.1% | $321,900 |
| McHenry | 28,074 | $86,315 | 4.7% | $266,500 |
| Woodstock | 26,147 | $82,758 | 6.0% | $245,700 |
| Cary | 17,923 | $113,026 | 4.8% | $309,800 |
| Harvard | 9,598 | $67,617 | 11.8% | $175,400 |
| Marengo | 7,040 | $73,523 | 15.7% | $229,900 |
| Spring Grove | 5,917 | $134,210 | 1.4% | $398,400 |
| Lakewood | 4,707 | $173,625 | 3.5% | $552,600 |
| Wonder Lake | 4,292 | $94,655 | 2.9% | $252,200 |
Cities Similar to Johnsburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Elburn | 6,354 | $127,731 | $389,300 | 55.6% | 5.4% |
| Orland Hills | 6,719 | $122,039 | $280,300 | 36.3% | 6.4% |
| Lakemoor | 6,467 | $100,414 | $265,500 | 36.5% | 4.7% |
| Monticello | 6,304 | $99,449 | $210,500 | 40.7% | 5.7% |
| Spring Grove | 5,917 | $134,210 | $398,400 | 44.9% | 1.4% |
Population Overview
Johnsburg is a small city located in Illinois, within McHenry County. The total population is 6,386. It ranks as the 297th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Johnsburg is 49.1 years. This is 26% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Johnsburg is $121,023. This is 45% higher than the state median of $83,390. It is also 50% higher than the national median of $80,734. The poverty rate stands at 12.1%. This is 3% higher than the state poverty rate of 11.8%. The unemployment rate is 2.7%. This is 54% lower than the state rate of 5.8%. The median home value is $328,300. Housing costs are 25% higher than the state median of $263,300. With a home-value-to-income ratio of just 2.7x, Johnsburg is one of the most affordable housing markets in the area. 93.1% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 67.1%.
Race & Ethnicity
Johnsburg has a predominantly White (non-Hispanic) population, comprising 87.8% of all residents. Hispanic or Latino residents account for 3.6%. The White (non-Hispanic) population is significantly higher than the state average (87.8% vs 58.1%). The Black or African American population (1.6%) is well below the state average of 13.3%. The Hispanic or Latino population (3.6%) is well below the state average of 18.8%. The Asian population (0.8%) is well below the state average of 5.9%.
Education
24.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.1%.
Data Sources & Methodology
All demographic data for Johnsburg, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Johnsburg, Illinois?
Johnsburg, Illinois has a population of 6,386 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Johnsburg, IL?
The median household income in Johnsburg is $121,023, which is 50% higher than the national median of $80,734.
What is the poverty rate in Johnsburg, IL?
The poverty rate in Johnsburg is 12.1%. This means approximately 768 residents live below the federal poverty line.
What is the racial makeup of Johnsburg, Illinois?
Johnsburg's population is 87.8% White, 1.6% Black, 3.6% Hispanic/Latino, and 0.8% Asian.
What is the median home value in Johnsburg, IL?
The median home value in Johnsburg is $328,300. The home-value-to-income ratio is 2.7x.
How educated is Johnsburg, Illinois?
24.3% of adults (25+) in Johnsburg hold a bachelor's degree or higher, and 10.7% hold a graduate or professional degree.