The Town FilesMazon, Illinois
Village in Grundy County · population 979 (2020 Census)
- Median home
- $207,700
- Household income
- $73,750
- Jan low / Jul high
- 16° / 85°
- Snow a year
- 25 in
- Tornadoes ≤10 mi since 1950
- 19
- Median age
- 35.1
Mazon is a village of 979 people in Grundy County, Illinois. The median home is worth $207,700, above the typical Illinois town ($156,600). It ranks more of a college town than 91% of Illinois towns, easier by car than 91% of Illinois towns, better for families than 73% of Illinois towns.
How Mazon 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 Mazon is worth $207,700, above the typical Illinois town ($156,600). Homes cost about 2.8 times the median household income of $73,750, which is more affordable than 27% of Illinois towns. Median rent is $1,009 a month. 80.9% of households own their home.
| Housing | Mazon | Typical Illinois town |
|---|---|---|
| Median home value | $207,700 | $156,600 |
| Median rent | $1,009 | $960 |
| Median household income | $73,750 | $72,500 |
| Home value ÷ income | 2.8× | 2.2× |
| Homeownership | 80.9% | 76.6% |
| Median year built | 1977 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Mazon
| People | Mazon | Typical Illinois town |
|---|---|---|
| Median age | 35.1 | 40.4 |
| Age 65 and over | 14.2% | 18.7% |
| Under 18 | 28.2% | — |
| Bachelor's degree or higher | 20.1% | 21.8% |
| Below the poverty line | 9.6% | 9.9% |
| Veterans | 7.6% | — |
| Born outside the U.S. | 4.6% | — |
| Work from home | 2.4% | 8.9% |
| Average commute | 24.3 min | 26.1 min |
| Homes with broadband | 89.6% | 90.4% |
Weather in Mazon
July highs average 84.9°F and January lows 15.7°F. About 38.8 inches of rain and melted snow fall a year, with 24.7 inches of snow (typical Illinois town: 24.2 in). Expect about 20 days a year at 90°F or hotter and 127 nights at or below freezing.
Tornadoes, storms and disasters
19 tornadoes have passed within 10 miles of Mazon since 1950, compared with 27 for the typical Illinois town. 9 rated (E)F2 or stronger. The strongest, an EF3, struck on June 22, 2015 about 5.1 miles from the town center. The most recent was on May 17, 2020.
Hail of 1 inch or larger has been reported within 10 miles 33 times; the largest was 1.75 inches on August 10, 2020.
Severe weather in Grundy County since 1996
Grundy County has been included in 15 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 |
| November 26, 2013 | Tornado | DR-4157: Severe Storms, Straight-Line Winds, And Tornadoes |
| May 10, 2013 | Flood | DR-4116: Severe Storms, Straight-Line Winds, And Flooding |
| March 17, 2011 | Snowstorm | DR-1960: Severe Winter Storm And Snowstorm |
Jobs and pay in Grundy County
Grundy County had 22,349 jobs in 2024, paying an average of $69,868 a year. Unemployment was 4.6% in 2023; in Mazon itself the ACS puts it at 2.5%.
Public schools in Mazon
2 public schools with 327 students, about 13.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Mazon-Verona-Kinsman Elem School | PK-4 | 183 | 14.1 |
| Mazon-Verona-Kinsman Middle Sch | 5-8 | 144 | 13.1 |
Towns near Mazon
- Gardner, IL6.6 mi · 1,366 people · home $199,600
- Coal City, IL7.9 mi · 5,705 people · home $201,600
- Braceville, IL8.2 mi · 724 people · home $187,900
- South Wilmington, IL8.8 mi · 710 people · home $174,400
- Godley, IL9.4 mi · 566 people · home $144,600
- Diamond, IL9.5 mi · 2,640 people · home $220,200
- Morris, IL9.6 mi · 14,163 people · home $247,400
- Dwight, IL9.9 mi · 4,032 people · home $155,600
Mazon questions
Is Mazon, Illinois a good place to retire?
On The Town Files lifestyle rankings, Mazon scores better for retirees than 38% of Illinois towns and quieter than 67%. 14.2% of residents are 65 or older (median age 35.1).
How much does a house cost in Mazon?
The median owner-occupied home in Mazon is valued at $207,700 (Census ACS 2020–2024), against a median household income of $73,750, so homes cost about 2.8 times income. Median rent is $1,009 a month.
What is the weather like in Mazon?
July highs average 84.9°F and January lows 15.7°F (NOAA 1991–2020 normals). It gets about 38.8 inches of precipitation a year and 24.7 inches of snow.
Does Mazon get tornadoes?
19 tornadoes have passed within 10 miles of Mazon since 1950 (NOAA Storm Events); the strongest was an EF3 on June 22, 2015. 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)