Donnellson, IA
Full City Profile · Iowa · Lee County County
3.9
/5.0
B+
Good
813
Population
640/sq mi density
$55,313
Median Income
$30,502 per capita
$134,000
Home Value
$138,748 Zillow
$751
Median Rent
31.1% income on rent
52°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$55,313 median income, 1.6% unemployment
A+
Affordability
5.0 / 5.0
$134,000 home value, $751/mo rent
C+
Education
2.9 / 5.0
24.1% bachelor's degree or higher
Donnellson experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 76°F in July. Annual precipitation totals 39.2 inches. The area receives 26.6 inches of snow annually.
Temperature
24°F Jan (-4°C)
76°F Jul (24°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 704 ft (215 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 640/sq mi |
| Coordinates | 40.6453°N, 91.5641°W |
| Timezone | America/Chicago |
| County | Lee County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 25 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 9.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.0 / 100 |
| Social Vulnerability | 43.3 / 100 |
| Community Resilience | 84.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.5 in | Coldest, Driest |
| February | 28°F (-2°C) | 1.9 in | |
| March | 40°F (4°C) | 2.6 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 63°F (17°C) | 5.0 in | Wettest |
| June | 72°F (22°C) | 5.0 in | |
| July | 76°F (24°C) | 4.2 in | Warmest |
| August | 74°F (23°C) | 3.9 in | |
| September | 66°F (19°C) | 3.9 in | |
| October | 54°F (12°C) | 3.1 in | |
| November | 41°F (5°C) | 2.5 in | |
| December | 29°F (-2°C) | 2.0 in |
Donnellson has a seasonal temperature swing of 52°F / from 24°F in January to 76°F in July. Total annual precipitation is 39.2 inches, with May being the wettest month (5.0") and January the driest (1.5").