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Millersburg, IA
Full City Profile · Iowa · Iowa County County
3.8
/5.0
B+
Good
136
Population
1,133/sq mi density
$75,357
Median Income
$50,404 per capita
$107,100
Home Value
$136,826 Zillow
$550
Median Rent
28.3% income on rent
48°F
Avg Temperature
275 sunny days/yr
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$75,357 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$107,100 home value, $550/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B
Education
3.3 / 5.0
29.2% bachelor's degree or higher
Millersburg experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 36.0 inches. The area receives 27.9 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 865 ft (264 m) |
| Area | 0.1 sq mi (0.4 km²) |
| Population Density | 1,133/sq mi |
| Coordinates | 41.5733°N, 92.1594°W |
| Timezone | America/Chicago |
| County | Iowa County County |
| Nearest Airport | The Eastern Iowa (CID) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.2 / 100 |
| Social Vulnerability | 19.4 / 100 |
| Community Resilience | 94.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| 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 | 19°F (-7°C) | 1.0 in | Coldest |
| February | 26°F (-4°C) | 0.9 in | Driest |
| March | 38°F (3°C) | 2.2 in | |
| April | 50°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 71°F (22°C) | 4.5 in | Wettest |
| July | 73°F (23°C) | 4.5 in | Warmest |
| August | 73°F (23°C) | 4.3 in | |
| September | 64°F (18°C) | 4.1 in | |
| October | 53°F (11°C) | 2.8 in | |
| November | 38°F (3°C) | 2.3 in | |
| December | 25°F (-4°C) | 1.5 in |
Millersburg has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 35.7 inches, with June being the wettest month (4.5") and February the driest (0.9").