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Mifflinburg, PA

Full City Profile · Pennsylvania · Union County County

3.3 /5.0
B Good
3,464 Population 1,924/sq mi density
$65,643 Median Income $32,278 per capita
$182,200 Home Value $272,173 Zillow
$892 Median Rent 28.7% income on rent
52°F Avg Temperature 282 sunny days/yr
86 Violent Crime/100K 487 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$65,643 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$182,200 home value, $892/mo rent
F
Safety
1.0 / 5.0
86 violent crimes/100K
B
Education
3.3 / 5.0
28.6% bachelor's degree or higher
Mifflinburg experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 282 sunny days per year. Air quality is rated Good with a median AQI of 40.

Temperature

28°F Jan (-2°C) 74°F Jul (23°C)
Annual Average51.8°F
4% below US avg
January Average28°F (-2°C)
July Average74°F (23°C)
Sunny Days282 days/yr

Geography

Elevation564 ft (172 m)
Area1.8 sq mi (4.7 km²)
Population Density1,924/sq mi
Coordinates40.9196°N, 77.0474°W
TimezoneAmerica/New_York
CountyUnion County County
Nearest AirportWilliamsport Regional (IPT)
23 miles away

Precipitation & Snow

Wettest Month (Jun) 4.45"
Driest Month (Jan) 2.68"

Air Quality

AQI Median40.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score55.3 / 100
Social Vulnerability73.5 / 100
Community Resilience72.8 / 100

Hazard Breakdown

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

Earthquake History

16 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M2.8 on Jun 10, 2025.

Jan 16, 1994 2 km W of Sinking Spring, Pennsylvania M4.6 108 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 110 km
Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 68 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 93 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 109 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 95 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 110 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 111 km
Jun 10, 2025 10 km NW of Forksville, Pennsylvania M2.8 78 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 108 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 92 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 106 km
Jan 18, 1994 3 km SE of Clay, Pennsylvania M2.6 106 km
Oct 28, 1996 2 km W of Reinholds, Pennsylvania M2.6 105 km
May 7, 1994 2 km SW of Sinking Spring, Pennsylvania M2.5 109 km
Jan 8, 1995 1 km WSW of Montrose Manor, Pennsylvania M2.5 112 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

243 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 9 fatalities, 134 injuries.

Date Rating Distance Fatalities
Jul 14, 2004 EF3 81 km 0
May 31, 1985 EF3 30 km 6
Jul 29, 1976 EF3 36 km 0
Jun 18, 1970 EF3 86 km 1
Apr 19, 2019 EF2 64 km 0
Apr 14, 2019 EF2 62 km 0
Oct 2, 2018 EF2 70 km 0
Jun 13, 2018 EF2 94 km 0
Jul 8, 2014 EF2 85 km 0
May 23, 2011 EF2 32 km 0
Apr 28, 2011 EF2 91 km 0
Apr 28, 2011 EF2 71 km 0
Dec 1, 2006 EF2 83 km 0
Oct 9, 1992 EF2 89 km 0
Jul 17, 1992 EF2 81 km 0
Jul 15, 1992 EF2 88 km 0
Sep 18, 1991 EF2 71 km 0
May 6, 1991 EF2 99 km 0
Nov 20, 1989 EF2 73 km 0
Jun 20, 1989 EF2 72 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

5 wildfires (100+ acres) within 100 km. Largest: BULL RUN (2,003 ac, 2008).

Year Name Acres Distance
2008 BULL RUN 2,003 79 km
2018 FIELDS RUN 711 78 km
2006 FIVE MILE FIRE 658 84 km
2006 OKOME ROAD 573 60 km
2006 BEAR TRAP 561 76 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 2.7 in Coldest, Driest
February 29°F (-2°C) 2.7 in
March 37°F (3°C) 3.2 in
April 48°F (9°C) 3.4 in
May 59°F (15°C) 4.1 in
June 67°F (20°C) 4.5 in Wettest
July 74°F (23°C) 4.1 in Warmest
August 70°F (21°C) 3.5 in
September 63°F (17°C) 3.9 in
October 51°F (11°C) 3.4 in
November 41°F (5°C) 3.7 in
December 31°F (-0°C) 3.0 in

Mifflinburg has a seasonal temperature swing of 45°F / from 28°F in January to 74°F in July. Total annual precipitation is 42.2 inches, with June being the wettest month (4.5") and January the driest (2.7").

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