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Keystone, IA
Full City Profile · Iowa · Iowa County County
3.2
/5.0
B
Good
825
Population
1,833/sq mi density
$68,750
Median Income
$32,970 per capita
$141,100
Home Value
$284,708 Zillow
$992
Median Rent
29.8% income on rent
48°F
Avg Temperature
275 sunny days/yr
77
Violent Crime/100K
1,162 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$68,750 median income, 1.8% unemployment
A+
Affordability
5.0 / 5.0
$141,100 home value, $992/mo rent
F
Safety
1.0 / 5.0
77 violent crimes/100K
C+
Education
2.7 / 5.0
21.3% bachelor's degree or higher
Keystone experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 36.0 inches. The area receives 27.9 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
19°F Jan (-7°C)
73°F Jul (23°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 893 ft (272 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 1,833/sq mi |
| Coordinates | 41.9995°N, 92.1982°W |
| Timezone | America/Chicago |
| County | Iowa County County |
| Nearest Airport | The Eastern Iowa (CID) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.2 / 100 |
| Social Vulnerability | 19.4 / 100 |
| Community Resilience | 94.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.0 in | Coldest, Driest |
| February | 24°F (-4°C) | 1.0 in | |
| March | 36°F (2°C) | 2.3 in | |
| April | 49°F (10°C) | 3.6 in | |
| May | 61°F (16°C) | 4.2 in | |
| June | 70°F (21°C) | 4.6 in | Wettest |
| July | 73°F (23°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 4.5 in | |
| September | 64°F (18°C) | 3.8 in | |
| October | 52°F (11°C) | 2.7 in | |
| November | 37°F (3°C) | 2.2 in | |
| December | 24°F (-5°C) | 1.4 in |
Keystone has a seasonal temperature swing of 54°F / from 19°F in January to 73°F in July. Total annual precipitation is 35.6 inches, with June being the wettest month (4.6") and January the driest (1.0").