The Town FilesAviston, Illinois
Village in Clinton County · population 2,340 (2020 Census)
- Median home
- $244,800
- Household income
- $117,875
- Jan low / Jul high
- 22° / 88°
- Snow a year
- 10 in
- Tornadoes ≤10 mi since 1950
- 45
- Median age
- 31.8
Aviston is a village of 2,340 people in Clinton County, Illinois. The median home is worth $244,800, above the typical Illinois town ($156,600). It ranks better for retirees than 96% of Illinois towns, better for cycling than 86% of Illinois towns, better for young professionals than 85% of Illinois towns.
How Aviston 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 Aviston is worth $244,800, above the typical Illinois town ($156,600). Homes cost about 2.1 times the median household income of $117,875, which is more affordable than 55% of Illinois towns. Median rent is $963 a month. 81.7% of households own their home.
| Housing | Aviston | Typical Illinois town |
|---|---|---|
| Median home value | $244,800 | $156,600 |
| Median rent | $963 | $960 |
| Median household income | $117,875 | $72,500 |
| Home value ÷ income | 2.1× | 2.2× |
| Homeownership | 81.7% | 76.6% |
| Median year built | 1996 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Aviston
| People | Aviston | Typical Illinois town |
|---|---|---|
| Median age | 31.8 | 40.4 |
| Age 65 and over | 12.8% | 18.7% |
| Under 18 | 31.4% | — |
| Bachelor's degree or higher | 42.3% | 21.8% |
| Below the poverty line | 4.1% | 9.9% |
| Veterans | 7.3% | — |
| Born outside the U.S. | 1.0% | — |
| Work from home | 18.0% | 8.9% |
| Average commute | 30.5 min | 26.1 min |
| Homes with broadband | 96.0% | 90.4% |
Weather in Aviston
July highs average 88.3°F and January lows 21.5°F. About 45.9 inches of rain and melted snow fall a year, with 10.1 inches of snow (typical Illinois town: 24.2 in). Expect about 32 days a year at 90°F or hotter and 101 nights at or below freezing.
Tornadoes, storms and disasters
45 tornadoes have passed within 10 miles of Aviston since 1950, compared with 27 for the typical Illinois town. 11 rated (E)F2 or stronger. The strongest, an F4, struck on February 25, 1956 about 4.7 miles from the town center and killed 6. Tornadoes within 10 miles have caused 8 deaths and 40 injuries since 1950. The most recent was on April 27, 2026.
Hail of 1 inch or larger has been reported within 10 miles 58 times; the largest was 2.75 inches on April 28, 2012.
Severe weather in Clinton County since 1996
Clinton County has been included in 7 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 |
| September 7, 2005 | Hurricane | EM-3230: Hurricane Katrina Evacuation |
| May 21, 2002 | Tornado | DR-1416: Severe Storms, Tornadoes And Flooding |
| December 13, 1982 | Severe Storm | DR-674: Severe Storms, Tornadoes & Flooding |
Jobs and pay in Clinton County
Clinton County had 12,592 jobs in 2024, paying an average of $50,189 a year. Unemployment was 3.3% in 2023; in Aviston itself the ACS puts it at 1.9%.
Public schools in Aviston
1 public school with 445 students, about 17.8 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Aviston Elem School | PK-8 | 445 | 17.8 |
Towns near Aviston
- Trenton, IL4.1 mi · 2,690 people · home $178,200
- Breese, IL4.9 mi · 4,641 people · home $229,600
- Albers, IL5.7 mi · 1,121 people · home $210,200
- Germantown, IL6.3 mi · 1,324 people · home $192,500
- New Baden, IL8.0 mi · 3,428 people · home $172,200
- Damiansville, IL8.1 mi · 564 people · home $194,100
- Beckemeyer, IL9.9 mi · 923 people · home $121,300
- Bartelso, IL10.2 mi · 635 people · home $209,700
Aviston questions
Is Aviston, Illinois a good place to retire?
On The Town Files lifestyle rankings, Aviston scores better for retirees than 96% of Illinois towns and quieter than 57%. 12.8% of residents are 65 or older (median age 31.8).
How much does a house cost in Aviston?
The median owner-occupied home in Aviston is valued at $244,800 (Census ACS 2020–2024), against a median household income of $117,875, so homes cost about 2.1 times income. Median rent is $963 a month.
What is the weather like in Aviston?
July highs average 88.3°F and January lows 21.5°F (NOAA 1991–2020 normals). It gets about 45.9 inches of precipitation a year and 10.1 inches of snow.
Does Aviston get tornadoes?
45 tornadoes have passed within 10 miles of Aviston since 1950 (NOAA Storm Events); the strongest was a F4 on February 25, 1956. 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)