Keosauqua, IA
Full City Profile · Iowa · Van Buren County County
3.7
/5.0
B+
Good
1,014
Population
695/sq mi density
$52,083
Median Income
$30,559 per capita
$108,000
Home Value
$214,628 Zillow
$440
Median Rent
23.8% income on rent
51°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$52,083 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$108,000 home value, $440/mo rent
C
Education
2.3 / 5.0
15.8% bachelor's degree or higher
Keosauqua experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 75°F in July. Annual precipitation totals 39.7 inches. The area receives 23.0 inches of snow annually. Air quality is rated Good with a median AQI of 46.
Temperature
23°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 50.6°F |
| 6% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 636 ft (194 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 695/sq mi |
| Coordinates | 40.7346°N, 91.9603°W |
| Timezone | America/Chicago |
| County | Van Buren County County |
| Nearest Airport | Ottumwa Regional (OTM) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 46.0 |
| Rating | Good |
| Good Days % | 62.2% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0462 ppm |
| NO₂ (Nitrogen Dioxide) | 2.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.21 ppb |
| PM2.5 (Fine Particles) | 8.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 33.6 / 100 |
| Social Vulnerability | 71.3 / 100 |
| Community Resilience | 39.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very 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 | 23°F (-5°C) | 1.5 in | Coldest, Driest |
| February | 27°F (-3°C) | 2.1 in | |
| March | 39°F (4°C) | 2.5 in | |
| April | 51°F (11°C) | 3.6 in | |
| May | 62°F (17°C) | 5.7 in | Wettest |
| June | 71°F (22°C) | 5.3 in | |
| July | 75°F (24°C) | 4.5 in | Warmest |
| August | 73°F (23°C) | 3.6 in | |
| September | 65°F (19°C) | 3.7 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 39°F (4°C) | 2.4 in | |
| December | 28°F (-2°C) | 2.0 in |
Keosauqua has a seasonal temperature swing of 52°F / from 23°F in January to 75°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (5.7") and January the driest (1.5").