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Zionsville, IN
Full City Profile · Indiana · Marion County County
3.9
/5.0
B+
Good
31,442
Population
468/sq mi density
$159,126
Median Income
$81,165 per capita
$543,800
Home Value
$671,066 Zillow
$1,635
Median Rent
25.0% income on rent
52°F
Avg Temperature
293 sunny days/yr
14
Violent Crime/100K
282 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$159,126 median income, 2.5% unemployment
A+
Affordability
4.8 / 5.0
$543,800 home value, $1,635/mo rent
F
Safety
1.1 / 5.0
14 violent crimes/100K
A+
Education
5.0 / 5.0
71.0% bachelor's degree or higher
Zionsville experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 27°F in January while summers reach 74°F in July. The area gets 293 sunny days per year. Annual precipitation totals 41.3 inches. The area receives 22.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
27°F Jan (-3°C)
74°F Jul (23°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 925 ft (282 m) |
| Area | 67.2 sq mi (174.0 km²) |
| Population Density | 468/sq mi |
| Coordinates | 39.9915°N, 86.3218°W |
| Timezone | America/Indiana/Indianapolis |
| County | Marion County County |
| Nearest Airport | Indianapolis International (IND) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0444 ppm |
| NO₂ (Nitrogen Dioxide) | 14.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.24 ppb |
| CO (Carbon Monoxide) | 0.33 ppm |
| PM2.5 (Fine Particles) | 12.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.5 / 100 |
| Social Vulnerability | 39.7 / 100 |
| Community Resilience | 49.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.2 in | Coldest, Driest |
| February | 30°F (-1°C) | 2.2 in | |
| March | 40°F (5°C) | 3.3 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 62°F (16°C) | 4.3 in | |
| June | 71°F (22°C) | 3.8 in | |
| July | 74°F (23°C) | 4.5 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.7 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 42°F (6°C) | 3.5 in | |
| December | 31°F (-0°C) | 3.0 in |
Zionsville has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in July. Total annual precipitation is 40.2 inches, with July being the wettest month (4.5") and January the driest (2.2").