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Philadelphia, TN

Full City Profile · Tennessee · Loudon County County

2.9 /5.0
C+ Fair
722 Population 463/sq mi density
$68,618 Median Income $32,827 per capita
$118,800 Home Value $272,988 Zillow
$882 Median Rent 20.6% income on rent
59°F Avg Temperature 301 sunny days/yr
104 Violent Crime/100K 1,245 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$68,618 median income, 12.4% unemployment
A+
Affordability
5.0 / 5.0
$118,800 home value, $882/mo rent
F
Safety
1.0 / 5.0
104 violent crimes/100K
C
Education
2.2 / 5.0
15.0% bachelor's degree or higher
Philadelphia enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 79°F in July. The area gets 301 sunny days per year. Annual precipitation totals 55.2 inches. The area receives 4.0 inches of snow annually. Air quality is rated Good with a median AQI of 40.

Temperature

38°F Jan (4°C) 79°F Jul (26°C)
Annual Average59.1°F
9% above US avg
January Average38°F (4°C)
July Average79°F (26°C)
Sunny Days301 days/yr

Geography

Elevation879 ft (268 m)
Area1.6 sq mi (4.1 km²)
Population Density463/sq mi
Coordinates35.6791°N, 84.3999°W
TimezoneAmerica/Chicago
CountyLoudon County County
Nearest AirportMc Ghee Tyson (TYS)
25 miles away

Precipitation & Snow

Annual Rainfall 55.2"
45% above US avg
Snowfall 4.0"
Wettest Month (Mar) 5.59"
Driest Month (Oct) 3.23"

Air Quality

AQI Median40.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0454 ppm
PM2.5 (Fine Particles)7.0 μg/m³

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score68.4 / 100
Social Vulnerability68.1 / 100
Community Resilience68.0 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Low
Hail Very Low
Strong Wind Relatively Moderate
Heat Wave Very Low
Winter Weather Relatively Moderate
Lightning Relatively Moderate
Ice Storm Relatively Moderate
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

193 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M2.5 on Aug 19, 2025.

May 10, 2025 21 km SE of Greenback, Tennessee M4.1 40 km
Jul 30, 1997 6 km NNE of Tazewell, Tennessee M3.8 120 km
Jan 20, 2020 2 km NE of Fincastle, Tennessee M3.8 90 km
Sep 17, 2004 8 km ESE of Corbin, Kentucky M3.7 144 km
Jul 5, 1995 12 km ESE of Tellico Plains, Tennessee M3.7 44 km
Jun 17, 1998 9 km SSE of Coalfield, Tennessee M3.6 30 km
Jul 19, 1997 12 km E of Cohutta, Georgia M3.5 89 km
Jun 19, 2007 10 km ENE of Spencer, Tennessee M3.5 88 km
Jun 16, 2006 9 km W of Maggie Valley, North Carolina M3.4 110 km
Mar 5, 2019 7 km NE of Maynardville, Tennessee M3.4 91 km
Mar 18, 1995 10 km SE of Dayton, Tennessee M3.3 57 km
Apr 20, 2010 4 km SW of Maryville, Tennessee M3.3 36 km
Aug 31, 2009 2 km NNE of Friendsville, Tennessee M3.3 27 km
Apr 11, 2006 5 km NE of Etowah, Tennessee M3.3 36 km
Jun 4, 2023 4 km NNW of West Canton, North Carolina M3.2 139 km
Mar 21, 2001 7 km ESE of Trenton, Georgia M3.2 132 km
Mar 7, 2001 5 km WNW of Decatur, Tennessee M3.2 43 km
Jan 27, 2009 4 km NE of Williamsburg, Kentucky M3.2 124 km
Apr 5, 1994 10 km N of Trenton, Georgia M3.2 127 km
Aug 1, 2009 8 km ENE of Ducktown, Tennessee M3.2 69 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

252 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 53 fatalities, 891 injuries.

Date Rating Distance Fatalities
Apr 27, 2011 EF4 36 km 0
Apr 27, 2011 EF4 100 km 4
Apr 3, 1974 EF4 88 km 7
Apr 3, 1974 EF4 82 km 4
May 2, 1953 EF4 39 km 4
Nov 30, 2016 EF3 70 km 2
Jul 27, 2014 EF3 96 km 0
Mar 2, 2012 EF3 92 km 0
Mar 23, 2011 EF3 15 km 0
Nov 10, 2002 EF3 68 km 4
Nov 10, 2002 EF3 43 km 7
Mar 29, 1997 EF3 74 km 0
May 18, 1995 EF3 74 km 0
Apr 15, 1994 EF3 67 km 1
Feb 21, 1993 EF3 29 km 0
Feb 21, 1993 EF3 40 km 0
Feb 21, 1993 EF3 17 km 1
Feb 6, 1986 EF3 63 km 0
Apr 8, 1974 EF3 34 km 0
Apr 3, 1974 EF3 80 km 1
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: ROUGH RIDGE (27,610 ac, 2016).

Year Name Acres Distance
2016 ROUGH RIDGE 27,610 87 km
2016 CHIMNEY TOPS 2 14,998 81 km
2016 TELLICO 14,172 85 km
1987 UNNAMED 11,663 61 km
2016 STINKING CREEK 10,768 88 km
1987 UNNAMED 10,327 97 km
2016 BOTELER 8,626 95 km
2024 RX - T26 BRUSHY RIDGE 8,324 45 km
2000 UNNAMED 8,064 68 km
2016 MAPLE SPRINGS 7,696 53 km
2001 SHARP 6,039 87 km
1987 UNNAMED 5,973 83 km
2000 UNNAMED 5,371 55 km
2024 RX - T10 MILLER RIDGE 5,154 37 km
2003 UNNAMED 4,675 42 km
2024 RX - O63 CHESTNUT MTN 4,570 76 km
2013 BEAVER DAM 4,336 53 km
1987 UNNAMED 4,194 97 km
2021 UNNAMED 3,888 38 km
1987 UNNAMED 3,854 75 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (4°C) 4.7 in Coldest
February 41°F (5°C) 4.3 in
March 49°F (9°C) 5.6 in Wettest
April 57°F (14°C) 4.1 in
May 65°F (18°C) 4.7 in
June 73°F (23°C) 3.9 in
July 79°F (26°C) 5.1 in Warmest
August 76°F (24°C) 3.8 in
September 70°F (21°C) 3.7 in
October 58°F (15°C) 3.2 in Driest
November 49°F (9°C) 4.4 in
December 40°F (5°C) 5.0 in

Philadelphia has a seasonal temperature swing of 40°F / from 38°F in January to 79°F in July. Total annual precipitation is 52.6 inches, with March being the wettest month (5.6") and October the driest (3.2").

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