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Osterdock, IA
Full City Profile · Iowa · Clayton County County
1.4
/5.0
F
Poor
144
Population
360/sq mi density
$49,185
Median Income
$19,813 per capita
49°F
Avg Temperature
260 sunny days/yr
145
Violent Crime/100K
1,114 property/100K
F
Overall
1.4 / 5.0
Below average overall score based on economy, affordability, safety and education
C
Economy
2.1 / 5.0
$49,185 median income, 19.7% unemployment
F
Safety
1.0 / 5.0
145 violent crimes/100K
F
Education
1.1 / 5.0
1.8% bachelor's degree or higher
Osterdock experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 19°F in January while summers reach 74°F in July. The area gets 260 sunny days per year. Annual precipitation totals 37.3 inches. The area receives 34.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
74°F Jul (23°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 637 ft (194 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 360/sq mi |
| Coordinates | 42.7313°N, 91.1587°W |
| Timezone | America/Chicago |
| County | Clayton County County |
| Nearest Airport | Dubuque Regional (DBQ) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 42.2 / 100 |
| Social Vulnerability | 27.6 / 100 |
| Community Resilience | 63.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.9 in | Coldest, Driest |
| February | 23°F (-5°C) | 1.1 in | |
| March | 35°F (2°C) | 2.1 in | |
| April | 48°F (9°C) | 3.2 in | |
| May | 60°F (15°C) | 3.7 in | |
| June | 69°F (20°C) | 4.2 in | |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 71°F (22°C) | 4.3 in | Wettest |
| September | 62°F (17°C) | 3.5 in | |
| October | 51°F (10°C) | 2.4 in | |
| November | 36°F (2°C) | 2.2 in | |
| December | 23°F (-5°C) | 1.4 in |
Osterdock has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in July. Total annual precipitation is 32.8 inches, with August being the wettest month (4.3") and January the driest (0.9").