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Mount Union, IA
Full City Profile · Iowa · Louisa County County
3.0
/5.0
B
Good
111
Population
653/sq mi density
$48,250
Median Income
$19,399 per capita
$84,500
Home Value
$195,614 Zillow
49°F
Avg Temperature
275 sunny days/yr
127
Violent Crime/100K
2,921 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$48,250 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$84,500 home value, /mo rent
F
Safety
1.0 / 5.0
127 violent crimes/100K
C
Education
2.3 / 5.0
16.2% bachelor's degree or higher
Mount Union experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 20°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.8 inches. The area receives 31.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
20°F Jan (-6°C)
73°F Jul (23°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 20°F (-6°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 733 ft (223 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 653/sq mi |
| Coordinates | 41.0577°N, 91.3914°W |
| Timezone | America/Chicago |
| County | Louisa County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 17.5 / 100 |
| Social Vulnerability | 13.6 / 100 |
| Community Resilience | 58.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-6°C) | 1.3 in | Coldest |
| February | 27°F (-3°C) | 1.1 in | Driest |
| March | 39°F (4°C) | 2.6 in | |
| April | 52°F (11°C) | 3.5 in | |
| May | 63°F (17°C) | 4.3 in | |
| June | 72°F (22°C) | 4.1 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.1 in | |
| September | 65°F (19°C) | 4.3 in | |
| October | 54°F (12°C) | 2.9 in | |
| November | 39°F (4°C) | 2.4 in | |
| December | 27°F (-3°C) | 1.9 in |
Mount Union has a seasonal temperature swing of 53°F / from 20°F in January to 73°F in July. Total annual precipitation is 36.8 inches, with July being the wettest month (4.3") and February the driest (1.1").