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Harvey, IA
Full City Profile · Iowa · Mahaska County County
2.9
/5.0
C+
Fair
204
Population
300/sq mi density
$48,750
Median Income
$24,669 per capita
$69,400
Home Value
$159,366 Zillow
$938
Median Rent
23.5% income on rent
50°F
Avg Temperature
275 sunny days/yr
164
Violent Crime/100K
1,604 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$48,750 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$69,400 home value, $938/mo rent
F
Safety
1.0 / 5.0
164 violent crimes/100K
C
Education
2.0 / 5.0
12.8% bachelor's degree or higher
Harvey experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.7 inches. Air quality is rated Good with a median AQI of 43.
Temperature
22°F Jan (-6°C)
75°F Jul (24°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 710 ft (216 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 300/sq mi |
| Coordinates | 41.3179°N, 92.9227°W |
| Timezone | America/Chicago |
| County | Mahaska County County |
| Nearest Airport | Ottumwa Regional (OTM) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 29.7 / 100 |
| Social Vulnerability | 23.0 / 100 |
| Community Resilience | 78.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively 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 | 22°F (-6°C) | 1.7 in | Coldest, Driest |
| February | 27°F (-3°C) | 1.7 in | |
| March | 39°F (4°C) | 3.0 in | |
| April | 51°F (11°C) | 3.6 in | |
| May | 62°F (17°C) | 4.3 in | |
| June | 71°F (22°C) | 4.4 in | |
| July | 75°F (24°C) | 4.5 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.7 in | |
| September | 65°F (18°C) | 4.0 in | |
| October | 53°F (12°C) | 2.8 in | |
| November | 39°F (4°C) | 2.8 in | |
| December | 26°F (-3°C) | 2.1 in |
Harvey has a seasonal temperature swing of 54°F / from 22°F in January to 75°F in July. Total annual precipitation is 38.5 inches, with July being the wettest month (4.5") and January the driest (1.7").