The Town FilesSpring Grove, Illinois
Village in McHenry County · population 5,487 (2020 Census)
- Median home
- $398,400
- Household income
- $134,210
- Jan low / Jul high
- 13° / 82°
- Snow a year
- 39 in
- Tornadoes ≤10 mi since 1950
- 19
- Median age
- 39.3
Spring Grove is a village of 5,487 people in McHenry County, Illinois. The median home is worth $398,400, above the typical Illinois town ($156,600). It ranks better for families than 90% of Illinois towns, more upscale than 78% of Illinois towns, quieter than 72% of Illinois towns.
How Spring Grove 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 Spring Grove is worth $398,400, above the typical Illinois town ($156,600). Homes cost about 3.0 times the median household income of $134,210, which is more affordable than 21% of Illinois towns. 96.2% of households own their home.
| Housing | Spring Grove | Typical Illinois town |
|---|---|---|
| Median home value | $398,400 | $156,600 |
| Median rent | — | $960 |
| Median household income | $134,210 | $72,500 |
| Home value ÷ income | 3.0× | 2.2× |
| Homeownership | 96.2% | 76.6% |
| Median year built | 1998 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Spring Grove
| People | Spring Grove | Typical Illinois town |
|---|---|---|
| Median age | 39.3 | 40.4 |
| Age 65 and over | 16.4% | 18.7% |
| Under 18 | 27.9% | — |
| Bachelor's degree or higher | 44.9% | 21.8% |
| Below the poverty line | 1.4% | 9.9% |
| Veterans | 6.1% | — |
| Born outside the U.S. | 1.6% | — |
| Work from home | 23.3% | 8.9% |
| Average commute | 33.6 min | 26.1 min |
| Homes with broadband | 98.2% | 90.4% |
Weather in Spring Grove
July highs average 81.9°F and January lows 12.6°F. About 36.5 inches of rain and melted snow fall a year, with 39.1 inches of snow (typical Illinois town: 24.2 in). Expect about 9 days a year at 90°F or hotter and 149 nights at or below freezing.
Tornadoes, storms and disasters
19 tornadoes have passed within 10 miles of Spring Grove since 1950, compared with 27 for the typical Illinois town. 5 rated (E)F2 or stronger. The strongest, an EF3, struck on January 7, 2008 about 8.4 miles from the town center. Tornadoes within 10 miles have caused 1 deaths and 16 injuries since 1950. The most recent was on June 22, 2024.
Hail of 1 inch or larger has been reported within 10 miles 80 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 Spring Grove itself the ACS puts it at 7.3%.
Public schools in Spring Grove
2 public schools with 686 students, about 10.7 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Lotus School | PK-4 | 361 | 9.5 |
| Spring Grove Elementary School | PK-5 | 325 | 12.5 |
Towns near Spring Grove
- Fox Lake, IL3.3 mi · 10,978 people · home $228,100
- Pistakee Highlands, IL3.6 mi · 3,237 people · home $216,800
- Twin Lakes, WI4.5 mi · 6,309 people · home $270,700
- Johnsburg, IL4.7 mi · 6,355 people · home $328,300
- Genoa City, WI5.6 mi · 2,982 people · home $241,300
- Fox Lake Hills, IL6.4 mi · 2,684 people · home $245,000
- Randall, WI6.5 mi · 3,285 people · home $348,400
- Wonder Lake, IL7.6 mi · 3,973 people · home $252,200
Spring Grove questions
Is Spring Grove, Illinois a good place to retire?
On The Town Files lifestyle rankings, Spring Grove scores better for retirees than 51% of Illinois towns and quieter than 72%. 16.4% of residents are 65 or older (median age 39.3).
How much does a house cost in Spring Grove?
The median owner-occupied home in Spring Grove is valued at $398,400 (Census ACS 2020–2024), against a median household income of $134,210, so homes cost about 3.0 times income. Median rent is — a month.
What is the weather like in Spring Grove?
July highs average 81.9°F and January lows 12.6°F (NOAA 1991–2020 normals). It gets about 36.5 inches of precipitation a year and 39.1 inches of snow.
Does Spring Grove get tornadoes?
19 tornadoes have passed within 10 miles of Spring Grove since 1950 (NOAA Storm Events); the strongest was an EF3 on January 7, 2008. 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)