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Sergeant Bluff, IA
Full City Profile · Iowa · Dakota County County
3.7
/5.0
B+
Good
5,090
Population
1,714/sq mi density
$122,610
Median Income
$46,334 per capita
$287,600
Home Value
$347,614 Zillow
$1,232
Median Rent
19.0% income on rent
48°F
Avg Temperature
260 sunny days/yr
180
Violent Crime/100K
861 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$122,610 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$287,600 home value, $1,232/mo rent
F
Safety
1.0 / 5.0
180 violent crimes/100K
A
Education
4.1 / 5.0
38.9% bachelor's degree or higher
Sergeant Bluff experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 75°F in July. The area gets 260 sunny days per year. Annual precipitation totals 30.3 inches. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
75°F Jul (24°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,092 ft (333 m) |
| Area | 3.0 sq mi (7.7 km²) |
| Population Density | 1,714/sq mi |
| Coordinates | 42.3975°N, 96.3509°W |
| Timezone | America/Chicago |
| County | Dakota County County |
| Nearest Airport | Sioux Gateway/Brig General Bud Day Field (SUX) 2 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.0 / 100 |
| Social Vulnerability | 34.2 / 100 |
| Community Resilience | 8.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| 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) | 0.6 in | Coldest, Driest |
| February | 25°F (-4°C) | 0.6 in | |
| March | 37°F (3°C) | 2.0 in | |
| April | 50°F (10°C) | 2.8 in | |
| May | 61°F (16°C) | 3.8 in | Wettest |
| June | 71°F (22°C) | 3.8 in | |
| July | 75°F (24°C) | 3.3 in | Warmest |
| August | 73°F (23°C) | 2.9 in | |
| September | 64°F (18°C) | 2.7 in | |
| October | 52°F (11°C) | 2.1 in | |
| November | 35°F (2°C) | 1.4 in | |
| December | 23°F (-5°C) | 0.7 in |
Sergeant Bluff has a seasonal temperature swing of 55°F / from 19°F in January to 75°F in July. Total annual precipitation is 26.6 inches, with May being the wettest month (3.8") and January the driest (0.6").