The Town FilesSully, Iowa
City in Jasper County · population 881 (2020 Census)
- Median home
- $173,700
- Household income
- $90,189
- Jan low / Jul high
- 10° / 83°
- Snow a year
- 30 in
- Tornadoes ≤10 mi since 1950
- 20
- Median age
- 38.4
Sully is a city of 881 people in Jasper County, Iowa. The median home is worth $173,700, above the typical Iowa town ($156,300). It ranks more of a college town than 92% of Iowa towns, better for first-time buyers than 86% of Iowa towns, better for families than 84% of Iowa towns.
How Sully ranks
Percentile among Iowa towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Iowa towns.
Homes and cost of living
The median home in Sully is worth $173,700, above the typical Iowa town ($156,300). Homes cost about 1.9 times the median household income of $90,189, which is more affordable than 76% of Iowa towns. Median rent is $856 a month. 86.1% of households own their home.
| Housing | Sully | Typical Iowa town |
|---|---|---|
| Median home value | $173,700 | $156,300 |
| Median rent | $856 | $820 |
| Median household income | $90,189 | $69,254 |
| Home value ÷ income | 1.9× | 2.2× |
| Homeownership | 86.1% | 77.1% |
| Median year built | 1963 | 1962 |
| Seasonal / vacation homes | 0.2% | — |
Who lives in Sully
| People | Sully | Typical Iowa town |
|---|---|---|
| Median age | 38.4 | 40.2 |
| Age 65 and over | 23.3% | 20.0% |
| Under 18 | 27.3% | — |
| Bachelor's degree or higher | 22.4% | 21.8% |
| Below the poverty line | 3.7% | 9.3% |
| Veterans | 3.4% | — |
| Born outside the U.S. | 1.2% | — |
| Work from home | 6.2% | 7.1% |
| Average commute | 21.9 min | 21.6 min |
| Homes with broadband | 91.5% | 88.5% |
Weather in Sully
July highs average 83.3°F and January lows 10.2°F. About 38.2 inches of rain and melted snow fall a year, with 29.8 inches of snow (typical Iowa town: 32.5 in). Expect about 11 days a year at 90°F or hotter and 157 nights at or below freezing.
Tornadoes, storms and disasters
20 tornadoes have passed within 10 miles of Sully since 1950, compared with 24 for the typical Iowa town. 11 rated (E)F2 or stronger. The strongest, an EF3, struck on July 19, 2018 about 9.4 miles from the town center. Tornadoes within 10 miles have caused 6 deaths and 69 injuries since 1950. The most recent was on April 26, 2024.
Hail of 1 inch or larger has been reported within 10 miles 41 times; the largest was 2.75 inches on May 18, 2000.
Severe weather in Jasper County since 1996
Jasper County has been included in 19 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| Declared | Incident | Declaration |
|---|---|---|
| September 1, 2026 | Severe Storm | DR-4942: Severe Storms And Flooding |
| May 24, 2024 | Severe Storm | DR-4784: Severe Storms, Tornadoes, And Flooding |
| August 17, 2020 | Severe Storm | DR-4557: Severe Storms |
| March 23, 2020 | Biological | DR-4483: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3480: Covid-19 |
Jobs and pay in Jasper County
Jasper County had 10,453 jobs in 2024, paying an average of $49,910 a year. Unemployment was 3% in 2023; in Sully itself the ACS puts it at 4.4%.
Public schools in Sully
3 public schools with 508 students, about 14.1 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Lynnville-Sully Elementary School | K-5 | 224 | 11.8 |
| Lynnville-Sully High School | 9-12 | 156 | 15.6 |
| Lynnville-Sully Middle School | 6-8 | 128 | 18.3 |
Towns near Sully
- Kellogg, IA10.2 mi · 606 people · home $115,800
- Pella, IA12.5 mi · 10,464 people · home $292,700
- Grinnell, IA12.6 mi · 9,564 people · home $209,500
- New Sharon, IA12.6 mi · 1,262 people · home $133,600
- Newton, IA12.9 mi · 15,760 people · home $153,700
- Monroe, IA13.9 mi · 1,967 people · home $177,200
- Montezuma, IA16.5 mi · 1,442 people · home $179,400
- Prairie City, IA20.3 mi · 1,700 people · home $190,600
Sully questions
Is Sully, Iowa a good place to retire?
On The Town Files lifestyle rankings, Sully scores better for retirees than 77% of Iowa towns and quieter than 63%. 23.3% of residents are 65 or older (median age 38.4).
How much does a house cost in Sully?
The median owner-occupied home in Sully is valued at $173,700 (Census ACS 2020–2024), against a median household income of $90,189, so homes cost about 1.9 times income. Median rent is $856 a month.
What is the weather like in Sully?
July highs average 83.3°F and January lows 10.2°F (NOAA 1991–2020 normals). It gets about 38.2 inches of precipitation a year and 29.8 inches of snow.
Does Sully get tornadoes?
20 tornadoes have passed within 10 miles of Sully since 1950 (NOAA Storm Events); the strongest was an EF3 on July 19, 2018. The typical Iowa town has had 24.
- 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)