Swisher, IA
Full City Profile · Iowa · Johnson County County
4.6
/5.0
A+
Excellent
1,064
Population
1,144/sq mi density
$99,118
Median Income
$39,467 per capita
$249,800
Home Value
$461,735 Zillow
$958
Median Rent
20.9% income on rent
48°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A+
Economy
4.9 / 5.0
$99,118 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$249,800 home value, $958/mo rent
B+
Education
3.9 / 5.0
36.0% bachelor's degree or higher
Swisher experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 73°F in July. Annual precipitation totals 35.9 inches. The area receives 29.2 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
20°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.3°F |
| 11% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 778 ft (237 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 1,144/sq mi |
| Coordinates | 41.8446°N, 91.6946°W |
| Timezone | America/Chicago |
| County | Johnson County County |
| Nearest Airport | The Eastern Iowa (CID) 4 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 70.8% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.4 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 96.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.0 in | Coldest, Driest |
| February | 24°F (-4°C) | 1.2 in | |
| March | 37°F (3°C) | 2.0 in | |
| April | 49°F (9°C) | 3.6 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 5.6 in | Wettest |
| July | 73°F (23°C) | 4.4 in | Warmest |
| August | 71°F (22°C) | 4.1 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 51°F (10°C) | 2.9 in | |
| November | 37°F (3°C) | 2.0 in | |
| December | 25°F (-4°C) | 1.6 in |
Swisher has a seasonal temperature swing of 53°F / from 20°F in January to 73°F in July. Total annual precipitation is 35.9 inches, with June being the wettest month (5.6") and January the driest (1.0").