The Town FilesJohnsburg, Illinois
Village in McHenry County · population 6,355 (2020 Census)
- Median home
- $328,300
- Household income
- $121,023
- Jan low / Jul high
- 13° / 84°
- Snow a year
- 35 in
- Tornadoes ≤10 mi since 1950
- 14
- Median age
- 49.1
Johnsburg is a village of 6,355 people in McHenry County, Illinois. The median home is worth $328,300, above the typical Illinois town ($156,600). It ranks more upscale than 81% of Illinois towns, better for families than 79% of Illinois towns, more of a college town than 79% of Illinois towns.
How Johnsburg ranks
Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.
Homes and cost of living
The median home in Johnsburg is worth $328,300, above the typical Illinois town ($156,600). Homes cost about 2.7 times the median household income of $121,023, which is more affordable than 31% of Illinois towns. Median rent is $1,128 a month. 93.1% of households own their home.
| Housing | Johnsburg | Typical Illinois town |
|---|---|---|
| Median home value | $328,300 | $156,600 |
| Median rent | $1,128 | $960 |
| Median household income | $121,023 | $72,500 |
| Home value ÷ income | 2.7× | 2.2× |
| Homeownership | 93.1% | 76.6% |
| Median year built | 1982 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Johnsburg
| People | Johnsburg | Typical Illinois town |
|---|---|---|
| Median age | 49.1 | 40.4 |
| Age 65 and over | 23.4% | 18.7% |
| Under 18 | 21.1% | — |
| Bachelor's degree or higher | 24.3% | 21.8% |
| Below the poverty line | 12.1% | 9.9% |
| Veterans | 8.7% | — |
| Born outside the U.S. | 2.5% | — |
| Work from home | 11.4% | 8.9% |
| Average commute | 27.6 min | 26.1 min |
| Homes with broadband | 94.3% | 90.4% |
Weather in Johnsburg
July highs average 84.2°F and January lows 12.9°F. About 37.0 inches of rain and melted snow fall a year, with 34.5 inches of snow (typical Illinois town: 24.2 in). Expect about 11 days a year at 90°F or hotter and 144 nights at or below freezing.
Tornadoes, storms and disasters
14 tornadoes have passed within 10 miles of Johnsburg since 1950, compared with 27 for the typical Illinois town. 7 rated (E)F2 or stronger. The strongest, an F4, struck on April 21, 1967 about 9.6 miles from the town center. Tornadoes within 10 miles have caused 7 deaths and 116 injuries since 1950. The most recent was on August 9, 2021.
Hail of 1 inch or larger has been reported within 10 miles 61 times; the largest was 2.90 inches on May 2, 2018.
Severe weather in McHenry County since 1996
McHenry County has been included in 16 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| March 26, 2020 | Biological | DR-4489: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3435: Covid-19 |
| May 10, 2013 | Flood | DR-4116: Severe Storms, Straight-Line Winds, And Flooding |
| March 17, 2011 | Snowstorm | DR-1960: Severe Winter Storm And Snowstorm |
| March 13, 2008 | Snowstorm | EM-3283: Record Snow And Near Record Snow |
Jobs and pay in McHenry County
McHenry County had 96,922 jobs in 2024, paying an average of $55,107 a year. Unemployment was 3.7% in 2023; in Johnsburg itself the ACS puts it at 2.7%.
Public schools in Johnsburg
3 public schools with 1,260 students, about 13.0 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Johnsburg High School | 9-12 | 530 | 13.6 |
| Johnsburg Jr High School | 6-8 | 373 | 13.3 |
| Johnsburg Elementary School | 3-5 | 357 | 11.9 |
Towns near Johnsburg
- Pistakee Highlands, IL2.3 mi · 3,237 people · home $216,800
- Lakemoor, IL3.8 mi · 6,182 people · home $265,500
- McHenry, IL4.0 mi · 27,135 people · home $266,500
- Fox Lake, IL4.5 mi · 10,978 people · home $228,100
- Spring Grove, IL4.7 mi · 5,487 people · home $398,400
- Wonder Lake, IL5.2 mi · 3,973 people · home $252,200
- Volo, IL5.8 mi · 6,122 people · home $319,700
- Long Lake, IL6.1 mi · 3,663 people · home $220,100
Johnsburg questions
Is Johnsburg, Illinois a good place to retire?
On The Town Files lifestyle rankings, Johnsburg scores better for retirees than 33% of Illinois towns and quieter than 51%. 23.4% of residents are 65 or older (median age 49.1).
How much does a house cost in Johnsburg?
The median owner-occupied home in Johnsburg is valued at $328,300 (Census ACS 2020–2024), against a median household income of $121,023, so homes cost about 2.7 times income. Median rent is $1,128 a month.
What is the weather like in Johnsburg?
July highs average 84.2°F and January lows 12.9°F (NOAA 1991–2020 normals). It gets about 37.0 inches of precipitation a year and 34.5 inches of snow.
Does Johnsburg get tornadoes?
14 tornadoes have passed within 10 miles of Johnsburg since 1950 (NOAA Storm Events); the strongest was a F4 on April 21, 1967. The typical Illinois town has had 27.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)