Ortonville, MI
Full City Profile · Michigan · Oakland County County
4.0
/5.0
A
Great
1,353
Population
1,409/sq mi density
$101,667
Median Income
$48,789 per capita
$229,100
Home Value
$403,730 Zillow
$947
Median Rent
23.2% income on rent
48°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
B+
Economy
3.9 / 5.0
$101,667 median income, 7.8% unemployment
A+
Affordability
5.0 / 5.0
$229,100 home value, $947/mo rent
B
Education
3.1 / 5.0
26.5% bachelor's degree or higher
Ortonville experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 23°F in January while summers reach 70°F in July. Annual precipitation totals 32.2 inches. The area receives 62.3 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
23°F Jan (-5°C)
70°F Jul (21°C)
| Annual Average | 47.5°F |
| 12% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 70°F (21°C) |
Geography
| Elevation | 974 ft (297 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 1,409/sq mi |
| Coordinates | 42.8481°N, 83.4380°W |
| Timezone | America/Detroit |
| County | Oakland County County |
| Nearest Airport | Oakland County International (PTK) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
| Good Days % | 60.1% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0451 ppm |
| PM2.5 (Fine Particles) | 9.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.5 / 100 |
| Social Vulnerability | 16.6 / 100 |
| Community Resilience | 90.4 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | No Rating |
| Cold Wave | Very High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.5 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.2 in | Coldest |
| February | 25°F (-4°C) | 1.5 in | Driest |
| March | 34°F (1°C) | 2.0 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 57°F (14°C) | 3.7 in | Wettest |
| June | 67°F (19°C) | 3.1 in | |
| July | 70°F (21°C) | 3.7 in | Warmest |
| August | 69°F (21°C) | 3.2 in | |
| September | 62°F (17°C) | 3.0 in | |
| October | 50°F (10°C) | 2.7 in | |
| November | 39°F (4°C) | 2.3 in | |
| December | 29°F (-2°C) | 1.9 in |
Ortonville has a seasonal temperature swing of 48°F / from 23°F in January to 70°F in July. Total annual precipitation is 32.2 inches, with May being the wettest month (3.7") and February the driest (1.5").