Clark, PA
Full City Profile · Pennsylvania · Mercer County County
4.0
/5.0
A
Great
617
Population
205/sq mi density
$68,250
Median Income
$40,712 per capita
$210,800
Home Value
$218,307 Zillow
50°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
B+
Economy
3.8 / 5.0
$68,250 median income, 5.9% unemployment
A+
Affordability
4.9 / 5.0
$210,800 home value, /mo rent
B
Education
3.3 / 5.0
29.3% bachelor's degree or higher
Clark experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. Annual precipitation totals 41.2 inches. The area receives 67.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
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 |
| Good Days % | 74.9% |
| Unhealthy Days | 0 |
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 | 27°F (-3°C) | 3.0 in | Coldest |
| February | 29°F (-2°C) | 2.5 in | Driest |
| March | 37°F (3°C) | 3.2 in | |
| April | 49°F (10°C) | 3.8 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 68°F (20°C) | 3.9 in | |
| July | 72°F (22°C) | 4.3 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.5 in | |
| September | 63°F (17°C) | 3.8 in | |
| October | 52°F (11°C) | 3.3 in | |
| November | 42°F (5°C) | 3.0 in | |
| December | 32°F (0°C) | 3.2 in |
Clark has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 41.2 inches, with July being the wettest month (4.3") and February the driest (2.5").