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Columbus Junction, IA
Full City Profile · Iowa · Louisa County County
3.2
/5.0
B
Good
2,129
Population
990/sq mi density
$76,518
Median Income
$30,420 per capita
$114,200
Home Value
$155,864 Zillow
$591
Median Rent
21.0% income on rent
49°F
Avg Temperature
275 sunny days/yr
134
Violent Crime/100K
886 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$76,518 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$114,200 home value, $591/mo rent
F
Safety
1.0 / 5.0
134 violent crimes/100K
C
Education
2.4 / 5.0
17.1% bachelor's degree or higher
Columbus Junction 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 | 630 ft (192 m) |
| Area | 2.2 sq mi (5.7 km²) |
| Population Density | 990/sq mi |
| Coordinates | 41.2789°N, 91.3639°W |
| Timezone | America/Chicago |
| County | Louisa County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 36 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) | 1.2 in | Coldest |
| February | 27°F (-3°C) | 1.1 in | Driest |
| March | 39°F (4°C) | 2.6 in | |
| April | 51°F (11°C) | 3.6 in | |
| May | 62°F (17°C) | 4.3 in | |
| June | 71°F (22°C) | 4.1 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.2 in | |
| September | 65°F (18°C) | 4.3 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 39°F (4°C) | 2.4 in | |
| December | 26°F (-3°C) | 1.9 in |
Columbus Junction has a seasonal temperature swing of 53°F / from 20°F in January to 73°F in July. Total annual precipitation is 36.9 inches, with July being the wettest month (4.3") and February the driest (1.1").