Williamsfield, Illinois
Village in Knox County · population 575 (2020 Census)
- Median home
- $109,800
- Household income
- $82,417
- Jan low / Jul high
- 15° / 86°
- Snow a year
- 23 in
- Tornadoes ≤10 mi since 1950
- 20
- Median age
- 44.6
Williamsfield is a village of 575 people in Knox County, Illinois. The median home is worth $109,800, below the typical Illinois town ($156,600). It ranks easier by car than 90% of Illinois towns, quieter than 88% of Illinois towns, better for families than 81% of Illinois towns.
How Williamsfield 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 Williamsfield is worth $109,800, below the typical Illinois town ($156,600). Homes cost about 1.3 times the median household income of $82,417, which is more affordable than 96% of Illinois towns. Median rent is $617 a month. 94.1% of households own their home.
| Housing | Williamsfield | Typical Illinois town |
|---|---|---|
| Median home value | $109,800 | $156,600 |
| Median rent | $617 | $960 |
| Median household income | $82,417 | $72,500 |
| Home value ÷ income | 1.3× | 2.2× |
| Homeownership | 94.1% | 76.6% |
| Median year built | 1971 | 1967 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Williamsfield
| People | Williamsfield | Typical Illinois town |
|---|---|---|
| Median age | 44.6 | 40.4 |
| Age 65 and over | 20.2% | 18.7% |
| Under 18 | 20.2% | — |
| Bachelor's degree or higher | 19.5% | 21.8% |
| Below the poverty line | 4.0% | 9.9% |
| Veterans | 5.0% | — |
| Born outside the U.S. | 2.4% | — |
| Work from home | 4.5% | 8.9% |
| Average commute | 22.4 min | 26.1 min |
| Homes with broadband | 89.5% | 90.4% |
Weather in Williamsfield
July highs average 85.6°F and January lows 14.5°F. About 38.8 inches of rain and melted snow fall a year, with 22.5 inches of snow (typical Illinois town: 24.2 in). Expect about 23 days a year at 90°F or hotter and 143 nights at or below freezing.
Tornadoes, storms and disasters
20 tornadoes have passed within 10 miles of Williamsfield since 1950, compared with 27 for the typical Illinois town. 4 rated (E)F2 or stronger. The strongest, an F3, struck on May 14, 1961 about 2.7 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 13 times; the largest was 2.00 inches on April 30, 1973.
Severe weather in Knox County since 1996
Knox County has been included in 11 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 |
| September 19, 2019 | Flood | DR-4461: Severe Storms And Flooding |
| 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 Knox County
Knox County had 17,106 jobs in 2024, paying an average of $46,491 a year. Unemployment was 5.5% in 2023; in Williamsfield itself the ACS puts it at 2.8%.
Public schools in Williamsfield
3 public schools with 291 students, about 9.7 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Williamsfield Elem School | PK-4 | 121 | 12.1 |
| Williamsfield High School | 9-12 | 100 | 8.3 |
| Williamsfield Middle School | 5-8 | 70 | 8.8 |
Towns near Williamsfield
- Oak Run, IL6.3 mi · 721 people · home $298,300
- Brimfield, IL9.5 mi · 778 people · home $140,700
- Yates City, IL10.3 mi · 642 people · home $97,100
- Elmwood, IL10.4 mi · 2,058 people · home $153,500
- Princeville, IL13.8 mi · 1,636 people · home $168,100
- Knoxville, IL14.0 mi · 2,901 people · home $145,300
- Toulon, IL14.1 mi · 1,193 people · home $95,500
- Oneida, IL14.7 mi · 696 people · home $114,100
Williamsfield questions
Is Williamsfield, Illinois a good place to retire?
On The Town Files lifestyle rankings, Williamsfield scores better for retirees than 73% of Illinois towns and quieter than 88%. 20.2% of residents are 65 or older (median age 44.6).
How much does a house cost in Williamsfield?
The median owner-occupied home in Williamsfield is valued at $109,800 (Census ACS 2020–2024), against a median household income of $82,417, so homes cost about 1.3 times income. Median rent is $617 a month.
What is the weather like in Williamsfield?
July highs average 85.6°F and January lows 14.5°F (NOAA 1991–2020 normals). It gets about 38.8 inches of precipitation a year and 22.5 inches of snow.
Does Williamsfield get tornadoes?
20 tornadoes have passed within 10 miles of Williamsfield since 1950 (NOAA Storm Events); the strongest was a F3 on May 14, 1961. 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)