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Polonia, WI
Full City Profile · Wisconsin · Portage County County
3.9
/5.0
B+
Good
624
Population
187/sq mi density
$115,862
Median Income
$46,208 per capita
$320,500
Home Value
$284,221 Zillow
$789
Median Rent
18.6% income on rent
44°F
Avg Temperature
270 sunny days/yr
146
Violent Crime/100K
2,051 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$115,862 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$320,500 home value, $789/mo rent
F
Safety
1.0 / 5.0
146 violent crimes/100K
A
Education
4.4 / 5.0
42.9% bachelor's degree or higher
Polonia has a cool climate with an average annual temperature of 44°F (7°C). Winters average 15°F in January while summers reach 70°F in July. The area gets 270 sunny days per year. Annual precipitation totals 34.0 inches. Air quality is rated Good with a median AQI of 38.
Temperature
15°F Jan (-9°C)
70°F Jul (21°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 1,172 ft (357 m) |
| Area | 3.4 sq mi (8.7 km²) |
| Population Density | 187/sq mi |
| Coordinates | 44.5805°N, 89.4106°W |
| Timezone | America/Chicago |
| County | Portage County County |
| Nearest Airport | Appleton International (ATW) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 85.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very 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 | 15°F (-9°C) | 1.0 in | Coldest |
| February | 18°F (-8°C) | 0.9 in | Driest |
| March | 29°F (-1°C) | 2.0 in | |
| April | 44°F (6°C) | 2.8 in | |
| May | 56°F (13°C) | 3.7 in | |
| June | 65°F (18°C) | 3.5 in | |
| July | 70°F (21°C) | 3.9 in | Warmest |
| August | 67°F (20°C) | 4.0 in | |
| September | 58°F (15°C) | 4.1 in | Wettest |
| October | 47°F (8°C) | 2.4 in | |
| November | 32°F (0°C) | 2.1 in | |
| December | 19°F (-7°C) | 1.4 in |
Polonia has a seasonal temperature swing of 54°F / from 15°F in January to 70°F in July. Total annual precipitation is 31.9 inches, with September being the wettest month (4.1") and February the driest (0.9").