The Town FilesHenry, Illinois
City in Marshall County · population 2,320 (2020 Census)
- Median home
- $117,000
- Household income
- $65,577
- Jan low / Jul high
- 18° / 87°
- Snow a year
- 25 in
- Tornadoes ≤10 mi since 1950
- 24
- Median age
- 44.8
Henry is a city of 2,320 people in Marshall County, Illinois. The median home is worth $117,000, below the typical Illinois town ($156,600). It ranks better for retirees than 86% of Illinois towns, better for first-time buyers than 82% of Illinois towns, easier by car than 78% of Illinois towns.
How Henry 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 Henry is worth $117,000, below the typical Illinois town ($156,600). Homes cost about 1.8 times the median household income of $65,577, which is more affordable than 74% of Illinois towns. Median rent is $681 a month. 74.0% of households own their home.
| Housing | Henry | Typical Illinois town |
|---|---|---|
| Median home value | $117,000 | $156,600 |
| Median rent | $681 | $960 |
| Median household income | $65,577 | $72,500 |
| Home value ÷ income | 1.8× | 2.2× |
| Homeownership | 74.0% | 76.6% |
| Median year built | 1957 | 1967 |
| Seasonal / vacation homes | 2.1% | — |
Who lives in Henry
| People | Henry | Typical Illinois town |
|---|---|---|
| Median age | 44.8 | 40.4 |
| Age 65 and over | 22.0% | 18.7% |
| Under 18 | 22.5% | — |
| Bachelor's degree or higher | 21.0% | 21.8% |
| Below the poverty line | 14.1% | 9.9% |
| Veterans | 10.5% | — |
| Born outside the U.S. | 0.0% | — |
| Work from home | 8.9% | 8.9% |
| Average commute | 28.6 min | 26.1 min |
| Homes with broadband | 87.2% | 90.4% |
Weather in Henry
July highs average 87.0°F and January lows 18.0°F. About 38.4 inches of rain and melted snow fall a year, with 24.6 inches of snow (typical Illinois town: 24.2 in). Expect about 29 days a year at 90°F or hotter and 121 nights at or below freezing.
Tornadoes, storms and disasters
24 tornadoes have passed within 10 miles of Henry since 1950, compared with 27 for the typical Illinois town. 8 rated (E)F2 or stronger. The strongest, an F3, struck on July 17, 1972 about 0.7 miles from the town center. The most recent was on March 10, 2026.
Hail of 1 inch or larger has been reported within 10 miles 49 times; the largest was 2.75 inches on April 9, 2001.
Severe weather in Marshall County since 1996
Marshall County has been included in 14 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| 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 |
| December 29, 2006 | Snowstorm | EM-3269: Snow |
Jobs and pay in Marshall County
Marshall County had 2,765 jobs in 2024, paying an average of $47,124 a year. Unemployment was 5.2% in 2023; in Henry itself the ACS puts it at 2.7%.
Public schools in Henry
2 public schools with 559 students, about 11.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Henry-Senachwine Grade School | PK-8 | 407 | 13.1 |
| Henry-Senachwine High School | 9-12 | 152 | 8.9 |
Towns near Henry
- Lacon, IL7.0 mi · 1,878 people · home $121,900
- Hennepin, IL9.5 mi · 769 people · home $168,300
- Mark, IL11.3 mi · 519 people · home $161,600
- Granville, IL12.2 mi · 1,359 people · home $142,500
- Toluca, IL14.0 mi · 1,340 people · home $113,500
- Washburn, IL14.0 mi · 1,032 people · home $89,100
- Tiskilwa, IL14.4 mi · 740 people · home $84,700
- De Pue, IL14.9 mi · 1,633 people · home $59,300
Henry questions
Is Henry, Illinois a good place to retire?
On The Town Files lifestyle rankings, Henry scores better for retirees than 86% of Illinois towns and quieter than 57%. 22.0% of residents are 65 or older (median age 44.8).
How much does a house cost in Henry?
The median owner-occupied home in Henry is valued at $117,000 (Census ACS 2020–2024), against a median household income of $65,577, so homes cost about 1.8 times income. Median rent is $681 a month.
What is the weather like in Henry?
July highs average 87.0°F and January lows 18.0°F (NOAA 1991–2020 normals). It gets about 38.4 inches of precipitation a year and 24.6 inches of snow.
Does Henry get tornadoes?
24 tornadoes have passed within 10 miles of Henry since 1950 (NOAA Storm Events); the strongest was a F3 on July 17, 1972. 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)