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Clark, PA
Full City Profile · Pennsylvania · Mercer County County
3.4
/5.0
B
Good
617
Population
205/sq mi density
$68,250
Median Income
$40,712 per capita
$210,800
Home Value
$218,307 Zillow
49°F
Avg Temperature
282 sunny days/yr
161
Violent Crime/100K
2,695 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$68,250 median income, 2.8% unemployment
A+
Affordability
4.9 / 5.0
$210,800 home value, /mo rent
F
Safety
1.0 / 5.0
161 violent crimes/100K
B
Education
3.3 / 5.0
29.3% bachelor's degree or higher
Clark experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 69°F in July. The area gets 282 sunny days per year. Air quality is rated Good with a median AQI of 40.
Temperature
26°F Jan (-4°C)
69°F Jul (21°C)
| Annual Average | 48.5°F |
| 10% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 282 days/yr |
Geography
| Elevation | 904 ft (276 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 205/sq mi |
| Coordinates | 41.2877°N, 80.4047°W |
| Timezone | America/New_York |
| County | Mercer County County |
| Nearest Airport | Youngstown/Warren Regional (YNG) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0452 ppm |
| PM2.5 (Fine Particles) | 8.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.7 / 100 |
| Social Vulnerability | 54.8 / 100 |
| Community Resilience | 75.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.2 in | Coldest |
| February | 28°F (-3°C) | 2.0 in | Driest |
| March | 37°F (3°C) | 3.0 in | |
| April | 47°F (9°C) | 3.4 in | |
| May | 58°F (14°C) | 3.7 in | |
| June | 66°F (19°C) | 4.3 in | Wettest |
| July | 69°F (21°C) | 4.2 in | Warmest |
| August | 69°F (21°C) | 3.7 in | |
| September | 62°F (17°C) | 4.0 in | |
| October | 51°F (11°C) | 2.9 in | |
| November | 41°F (5°C) | 3.3 in | |
| December | 31°F (-1°C) | 3.0 in |
Clark has a seasonal temperature swing of 44°F / from 26°F in January to 69°F in July. Total annual precipitation is 39.6 inches, with June being the wettest month (4.3") and February the driest (2.0").