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Knox, PA

Full City Profile · Pennsylvania · Clarion County County

3.1 /5.0
B Good
1,032 Population 1,843/sq mi density
$55,380 Median Income $36,181 per capita
$117,800 Home Value $144,841 Zillow
$835 Median Rent 22.1% income on rent
49°F Avg Temperature 275 sunny days/yr
177 Violent Crime/100K 1,147 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$55,380 median income, 5.3% unemployment
A+
Affordability
5.0 / 5.0
$117,800 home value, $835/mo rent
F
Safety
1.0 / 5.0
177 violent crimes/100K
C+
Education
2.8 / 5.0
22.7% bachelor's degree or higher
Knox experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 26°F in January while summers reach 71°F in July. The area gets 275 sunny days per year. Annual precipitation totals 46.3 inches. The area receives 53.7 inches of snow annually. Air quality is rated Good with a median AQI of 40.

Temperature

26°F Jan (-3°C) 71°F Jul (22°C)
Annual Average49.0°F
9% below US avg
January Average26°F (-3°C)
July Average71°F (22°C)
Sunny Days275 days/yr

Geography

Elevation1,369 ft (417 m)
Area0.2 sq mi (0.6 km²)
Population Density1,843/sq mi
Coordinates41.2344°N, 79.5361°W
TimezoneAmerica/New_York
CountyClarion County County
Nearest AirportVenango Regional (FKL)
20 miles away

Precipitation & Snow

Annual Rainfall 46.3"
22% above US avg
Snowfall 53.7"
Wettest Month (Jun) 4.80"
Driest Month (Feb) 2.48"

Air Quality

AQI Median40.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score30.0 / 100
Social Vulnerability56.8 / 100
Community Resilience75.9 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Low
Hail Very Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Very Low
Drought No Rating
Cold Wave Relatively Low
Landslide Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

18 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M2.5 on May 12, 2025.

Sep 25, 1998 2 km SW of Adamsville, Pennsylvania M4.5 77 km
Jan 26, 2001 8 km NNW of Edgewood, Ohio M3.9 131 km
Aug 28, 2023 7 km SE of Madison, Ohio M3.6 132 km
Oct 16, 1993 8 km SSE of Madison, Ohio M3.6 133 km
Jun 3, 2001 3 km N of Edgewood, Ohio M3.4 127 km
Jun 30, 2004 2 km WNW of Madison, Ohio M3.3 142 km
Mar 30, 2024 2 km SSW of Maple Ridge, Ohio M3.0 133 km
Apr 25, 2010 2 km WNW of Madison, Ohio M3.0 142 km
Feb 23, 1995 3 km W of Ashtabula, Ohio M2.9 129 km
Aug 7, 2000 2 km S of Limaville, Ohio M2.9 139 km
Jan 5, 2024 3 km SE of Madison, Ohio M2.6 136 km
Feb 14, 2009 4 km WSW of Geneva-on-the-Lake, Ohio M2.6 139 km
Jun 1, 2024 1 km E of Madison, Ohio M2.6 138 km
Jan 20, 2001 0 km NNW of Edgewood, Ohio M2.6 125 km
May 12, 2025 4 km ESE of Madison, Ohio M2.5 135 km
Jul 17, 2003 1 km SE of Edgewood, Ohio M2.5 123 km
Sep 11, 2024 4 km WNW of Claysville, Pennsylvania M2.5 145 km
Dec 17, 1990 5 km SSE of Middleboro, Pennsylvania M2.5 94 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

279 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 47 fatalities, 689 injuries.

Date Rating Distance Fatalities
May 31, 1985 EF4 36 km 7
May 31, 1985 EF4 87 km 16
May 31, 1985 EF4 73 km 0
May 31, 1985 EF4 61 km 4
May 31, 1985 EF4 85 km 0
Jun 3, 1980 EF4 67 km 0
May 31, 1985 EF3 73 km 2
May 31, 1985 EF3 58 km 0
May 31, 1985 EF3 92 km 0
May 31, 1985 EF3 50 km 0
May 31, 1985 EF3 91 km 9
Jul 11, 1976 EF3 98 km 1
May 2, 1972 EF3 63 km 0
Jun 2, 1971 EF3 86 km 0
Jun 20, 1969 EF3 88 km 0
Sep 3, 1963 EF3 70 km 0
Aug 5, 1956 EF3 98 km 2
Mar 1, 1955 EF3 95 km 1
Jun 26, 2024 EF2 94 km 0
Mar 31, 2022 EF2 47 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: UNNAMED (628 ac, 1990).

Year Name Acres Distance
1990 UNNAMED 628 33 km
2021 UNNAMED 586 44 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 26°F (-3°C) 2.6 in Coldest
February 26°F (-3°C) 2.5 in Driest
March 35°F (2°C) 3.4 in
April 46°F (8°C) 3.6 in
May 57°F (14°C) 4.1 in
June 65°F (18°C) 4.8 in Wettest
July 71°F (22°C) 4.6 in Warmest
August 68°F (20°C) 4.2 in
September 61°F (16°C) 4.1 in
October 50°F (10°C) 3.3 in
November 40°F (4°C) 3.7 in
December 29°F (-2°C) 3.3 in

Knox has a seasonal temperature swing of 45°F / from 26°F in January to 71°F in July. Total annual precipitation is 44.1 inches, with June being the wettest month (4.8") and February the driest (2.5").

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