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Plainfield, IA
Full City Profile · Iowa · Bremer County County
2.9
/5.0
C+
Fair
379
Population
1,115/sq mi density
$75,500
Median Income
$35,758 per capita
$132,700
Home Value
$215,615 Zillow
$682
Median Rent
16.9% income on rent
47°F
Avg Temperature
260 sunny days/yr
544
Violent Crime/100K
1,492 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$75,500 median income, 7.0% unemployment
A+
Affordability
5.0 / 5.0
$132,700 home value, $682/mo rent
F
Safety
1.0 / 5.0
544 violent crimes/100K (43% above avg)
D
Education
1.9 / 5.0
11.1% bachelor's degree or higher
Plainfield experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 16°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 35.4 inches. Air quality is rated Good with a median AQI of 43.
Temperature
16°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 46.7°F |
| 14% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 941 ft (287 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 1,115/sq mi |
| Coordinates | 42.8445°N, 92.5357°W |
| Timezone | America/Chicago |
| County | Bremer County County |
| Nearest Airport | Northeast Iowa Regional (CCY) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0471 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 98.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.9 in | Coldest, Driest |
| February | 21°F (-6°C) | 0.9 in | |
| March | 34°F (1°C) | 2.1 in | |
| April | 47°F (8°C) | 3.4 in | |
| May | 60°F (15°C) | 4.2 in | |
| June | 69°F (21°C) | 4.8 in | Wettest |
| July | 73°F (23°C) | 4.7 in | Warmest |
| August | 70°F (21°C) | 4.3 in | |
| September | 62°F (17°C) | 3.6 in | |
| October | 50°F (10°C) | 2.6 in | |
| November | 34°F (1°C) | 2.0 in | |
| December | 20°F (-7°C) | 1.2 in |
Plainfield has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 34.6 inches, with June being the wettest month (4.8") and January the driest (0.9").