Ixonia, WI
Full City Profile · Wisconsin · Jefferson County County
4.6
/5.0
A+
Excellent
2,470
Population
679/sq mi density
$110,000
Median Income
$44,697 per capita
$340,800
Home Value
$474,554 Zillow
$1,161
Median Rent
18.8% income on rent
47°F
Avg Temperature
A+
Overall
4.6 / 5.0
Strong
A+
Economy
5.0 / 5.0
$110,000 median income, 1.7% unemployment
A+
Affordability
4.9 / 5.0
$340,800 home value, $1,161/mo rent
B+
Education
3.7 / 5.0
34.1% bachelor's degree or higher
Ixonia experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 20°F in January while summers reach 72°F in July. Annual precipitation totals 36.8 inches. The area receives 39.6 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
20°F Jan (-7°C)
72°F Jul (22°C)
| Annual Average | 47.2°F |
| 13% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 865 ft (264 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 679/sq mi |
| Coordinates | 43.1372°N, 88.5963°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Dane County Regional/Truax Field (MSN) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 89.3% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0493 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.8 / 100 |
| Social Vulnerability | 19.8 / 100 |
| Community Resilience | 92.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.7 in | Coldest |
| February | 23°F (-5°C) | 1.6 in | Driest |
| March | 34°F (1°C) | 2.1 in | |
| April | 46°F (8°C) | 3.9 in | |
| May | 58°F (14°C) | 4.1 in | |
| June | 68°F (20°C) | 4.9 in | Wettest |
| July | 72°F (22°C) | 4.1 in | Warmest |
| August | 70°F (21°C) | 4.2 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 50°F (10°C) | 2.8 in | |
| November | 37°F (3°C) | 2.2 in | |
| December | 26°F (-3°C) | 1.9 in |
Ixonia has a seasonal temperature swing of 52°F / from 20°F in January to 72°F in July. Total annual precipitation is 36.8 inches, with June being the wettest month (4.9") and February the driest (1.6").