Princeton, IA
Full City Profile · Iowa · Scott County County
3.9
/5.0
B+
Good
875
Population
268/sq mi density
$80,714
Median Income
$40,424 per capita
$257,000
Home Value
$343,007 Zillow
$857
Median Rent
22.2% income on rent
51°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$80,714 median income, 4.4% unemployment
A+
Affordability
4.9 / 5.0
$257,000 home value, $857/mo rent
C+
Education
2.6 / 5.0
20.3% bachelor's degree or higher
Princeton experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 22°F in January while summers reach 76°F in July. Annual precipitation totals 37.1 inches. The area receives 31.9 inches of snow annually. Air quality is rated Good with a median AQI of 46.
Temperature
22°F Jan (-5°C)
76°F Jul (24°C)
| Annual Average | 50.6°F |
| 6% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 700 ft (213 m) |
| Area | 2.6 sq mi (6.6 km²) |
| Population Density | 268/sq mi |
| Coordinates | 41.6695°N, 90.3576°W |
| Timezone | America/Chicago |
| County | Scott County County |
| Nearest Airport | Quad Cities International (MLI) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 46.0 |
| Rating | Good |
| Good Days % | 61.2% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0442 ppm |
| SO₂ (Sulfur Dioxide) | 0.32 ppb |
| CO (Carbon Monoxide) | 0.21 ppm |
| PM2.5 (Fine Particles) | 10.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.9 / 100 |
| Social Vulnerability | 19.2 / 100 |
| Community Resilience | 95.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 1.5 in | Coldest, Driest |
| February | 26°F (-3°C) | 1.6 in | |
| March | 38°F (3°C) | 2.6 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 62°F (17°C) | 4.8 in | Wettest |
| June | 72°F (22°C) | 4.6 in | |
| July | 76°F (24°C) | 4.2 in | Warmest |
| August | 74°F (23°C) | 4.1 in | |
| September | 66°F (19°C) | 3.4 in | |
| October | 54°F (12°C) | 2.6 in | |
| November | 40°F (4°C) | 2.1 in | |
| December | 28°F (-2°C) | 1.9 in |
Princeton has a seasonal temperature swing of 53°F / from 22°F in January to 76°F in July. Total annual precipitation is 37.1 inches, with May being the wettest month (4.8") and January the driest (1.5").