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Marengo, OH
Full City Profile · Ohio · Morrow County County
3.1
/5.0
B
Good
240
Population
1,412/sq mi density
$81,667
Median Income
$44,198 per capita
$193,100
Home Value
$326,707 Zillow
$959
Median Rent
23.5% income on rent
50°F
Avg Temperature
275 sunny days/yr
146
Violent Crime/100K
2,145 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$81,667 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$193,100 home value, $959/mo rent
F
Safety
1.0 / 5.0
146 violent crimes/100K
D
Education
1.8 / 5.0
9.8% bachelor's degree or higher
Marengo experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 25°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 44.2 inches. Air quality is rated Good with a median AQI of 43.
Temperature
25°F Jan (-4°C)
72°F Jul (22°C)
| Annual Average | 50.0°F |
| 7% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,160 ft (354 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 1,412/sq mi |
| Coordinates | 40.4008°N, 82.8110°W |
| Timezone | America/New_York |
| County | Morrow County County |
| Nearest Airport | John Glenn Columbus International (CMH) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.4 / 100 |
| Social Vulnerability | 30.9 / 100 |
| Community Resilience | 54.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 2.2 in | Coldest |
| February | 27°F (-3°C) | 2.1 in | Driest |
| March | 38°F (3°C) | 3.1 in | |
| April | 48°F (9°C) | 3.5 in | |
| May | 58°F (15°C) | 4.2 in | |
| June | 67°F (20°C) | 4.1 in | |
| July | 72°F (22°C) | 4.4 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.7 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 52°F (11°C) | 2.5 in | |
| November | 41°F (5°C) | 3.4 in | |
| December | 31°F (-1°C) | 3.0 in |
Marengo has a seasonal temperature swing of 47°F / from 25°F in January to 72°F in July. Total annual precipitation is 39.5 inches, with July being the wettest month (4.4") and February the driest (2.1").