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Carroll Valley, PA
Full City Profile · Pennsylvania · Adams County County
3.5
/5.0
B+
Good
3,962
Population
736/sq mi density
$90,505
Median Income
$46,954 per capita
$287,400
Home Value
$342,538 Zillow
53°F
Avg Temperature
293 sunny days/yr
51
Violent Crime/100K
1,278 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$90,505 median income, 1.2% unemployment
A+
Affordability
4.9 / 5.0
$287,400 home value, /mo rent
F
Safety
1.0 / 5.0
51 violent crimes/100K
B
Education
3.4 / 5.0
30.3% bachelor's degree or higher
Carroll Valley experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.7 inches. The area receives 27.5 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 778 ft (237 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 736/sq mi |
| Coordinates | 39.7502°N, 77.3869°W |
| Timezone | America/New_York |
| County | Adams County County |
| Nearest Airport | Gettysburg Regional (GTY) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0480 ppm |
| NO₂ (Nitrogen Dioxide) | 3.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.48 ppb |
| CO (Carbon Monoxide) | 0.17 ppm |
| PM2.5 (Fine Particles) | 10.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 67.5 / 100 |
| Social Vulnerability | 36.2 / 100 |
| Community Resilience | 66.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.0 in | Coldest |
| February | 31°F (-0°C) | 2.9 in | Driest |
| March | 40°F (4°C) | 3.4 in | |
| April | 50°F (10°C) | 3.5 in | |
| May | 60°F (16°C) | 4.2 in | Wettest |
| June | 68°F (20°C) | 4.2 in | |
| July | 75°F (24°C) | 3.5 in | Warmest |
| August | 71°F (22°C) | 3.5 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 54°F (12°C) | 3.5 in | |
| November | 44°F (6°C) | 3.7 in | |
| December | 34°F (1°C) | 3.2 in |
Carroll Valley has a seasonal temperature swing of 44°F / from 31°F in January to 75°F in July. Total annual precipitation is 42.5 inches, with May being the wettest month (4.2") and February the driest (2.9").