The Town FilesTroy, Illinois
City in Madison County · population 10,960 (2020 Census)
- Median home
- $268,000
- Household income
- $112,434
- Jan low / Jul high
- 24° / 90°
- Snow a year
- 11 in
- Tornadoes ≤10 mi since 1950
- 39
- Median age
- 35.2
Troy is a city of 10,960 people in Madison County, Illinois. The median home is worth $268,000, above the typical Illinois town ($156,600). It ranks more upscale than 86% of Illinois towns, better for families than 80% of Illinois towns, more of a college town than 71% of Illinois towns.
How Troy 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 Troy is worth $268,000, above the typical Illinois town ($156,600). Homes cost about 2.4 times the median household income of $112,434, which is more affordable than 42% of Illinois towns. Median rent is $1,116 a month. 73.6% of households own their home.
| Housing | Troy | Typical Illinois town |
|---|---|---|
| Median home value | $268,000 | $156,600 |
| Median rent | $1,116 | $960 |
| Median household income | $112,434 | $72,500 |
| Home value ÷ income | 2.4× | 2.2× |
| Homeownership | 73.6% | 76.6% |
| Median year built | 1993 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Troy
| People | Troy | Typical Illinois town |
|---|---|---|
| Median age | 35.2 | 40.4 |
| Age 65 and over | 14.0% | 18.7% |
| Under 18 | 29.8% | — |
| Bachelor's degree or higher | 45.2% | 21.8% |
| Below the poverty line | 2.0% | 9.9% |
| Veterans | 12.5% | — |
| Born outside the U.S. | 2.0% | — |
| Work from home | 12.3% | 8.9% |
| Average commute | 25.7 min | 26.1 min |
| Homes with broadband | 95.5% | 90.4% |
Weather in Troy
July highs average 90.2°F and January lows 24.3°F. About 43.4 inches of rain and melted snow fall a year, with 10.8 inches of snow (typical Illinois town: 24.2 in). Expect about 53 days a year at 90°F or hotter and 94 nights at or below freezing.
Tornadoes, storms and disasters
39 tornadoes have passed within 10 miles of Troy since 1950, compared with 27 for the typical Illinois town. 14 rated (E)F2 or stronger. The strongest, an F4, struck on April 3, 1981 about 7.0 miles from the town center. Tornadoes within 10 miles have caused 13 deaths and 93 injuries since 1950. The most recent was on April 27, 2026.
Hail of 1 inch or larger has been reported within 10 miles 125 times; the largest was 3.50 inches on April 28, 2012.
Severe weather in Madison County since 1996
Madison County has been included in 16 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| December 13, 2021 | Tornado | EM-3577: Severe Storms, Straight-Line Winds, And Tornadoes |
| March 26, 2020 | Biological | DR-4489: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3435: Covid-19 |
| September 19, 2019 | Flood | DR-4461: Severe Storms And Flooding |
| June 24, 2008 | Severe Storm | DR-1771: Severe Storms And Flooding |
Jobs and pay in Madison County
Madison County had 105,166 jobs in 2024, paying an average of $57,153 a year. Unemployment was 4.1% in 2023; in Troy itself the ACS puts it at 3.1%.
Public schools in Troy
4 public schools with 2,686 students, about 15.2 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Triad High School | 9-12 | 1,188 | 15.8 |
| Silver Creek Elementary | PK-5 | 751 | 16.7 |
| C A Henning School | PK-5 | 747 | 14.9 |
| Center for Educ Opp | 6-12 | — | — |
Towns near Troy
- Maryville, IL3.9 mi · 8,221 people · home $261,800
- Glen Carbon, IL5.3 mi · 13,842 people · home $282,000
- Edwardsville, IL6.8 mi · 26,808 people · home $299,800
- Collinsville, IL7.0 mi · 24,366 people · home $163,600
- O'Fallon, IL8.8 mi · 32,289 people · home $295,700
- Pontoon Beach, IL8.8 mi · 5,876 people · home $145,100
- Lebanon, IL9.8 mi · 4,691 people · home $170,700
- Caseyville, IL10.1 mi · 4,400 people · home $96,800
Troy questions
Is Troy, Illinois a good place to retire?
On The Town Files lifestyle rankings, Troy scores better for retirees than 53% of Illinois towns and quieter than 33%. 14.0% of residents are 65 or older (median age 35.2).
How much does a house cost in Troy?
The median owner-occupied home in Troy is valued at $268,000 (Census ACS 2020–2024), against a median household income of $112,434, so homes cost about 2.4 times income. Median rent is $1,116 a month.
What is the weather like in Troy?
July highs average 90.2°F and January lows 24.3°F (NOAA 1991–2020 normals). It gets about 43.4 inches of precipitation a year and 10.8 inches of snow.
Does Troy get tornadoes?
39 tornadoes have passed within 10 miles of Troy since 1950 (NOAA Storm Events); the strongest was a F4 on April 3, 1981. 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)