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Union Bridge, MD

Full City Profile · Maryland · Carroll County County

3.1 /5.0
B Good
941 Population 825/sq mi density
$65,417 Median Income $33,462 per capita
$264,800 Home Value $441,748 Zillow
$1,179 Median Rent 41.0% income on rent
53°F Avg Temperature 293 sunny days/yr
89 Violent Crime/100K 1,097 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$65,417 median income, 1.3% unemployment
A
Affordability
4.4 / 5.0
$264,800 home value, $1,179/mo rent
F
Safety
1.0 / 5.0
89 violent crimes/100K
B
Education
3.0 / 5.0
25.2% bachelor's degree or higher
Union Bridge 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 41.

Temperature

31°F Jan (-0°C) 75°F Jul (24°C)
Annual Average53.0°F
2% below US avg
January Average31°F (-0°C)
July Average75°F (24°C)
Sunny Days293 days/yr

Geography

Elevation390 ft (119 m)
Area1.1 sq mi (2.7 km²)
Population Density825/sq mi
Coordinates39.5710°N, 77.1728°W
TimezoneAmerica/New_York
CountyCarroll County County
Nearest AirportGettysburg Regional (GTY)
19 miles away

Precipitation & Snow

Annual Rainfall 46.7"
23% above US avg
Snowfall 27.5"
Wettest Month (May) 3.90"
Driest Month (Feb) 2.72"

Air Quality

AQI Median41.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0485 ppm

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score59.5 / 100
Social Vulnerability10.6 / 100
Community Resilience81.5 / 100

Hazard Breakdown

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

Earthquake History

29 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M2.6 on Jun 25, 2021.

Jan 16, 1994 2 km W of Sinking Spring, Pennsylvania M4.6 128 km
Jan 16, 1994 0 km E of Sinking Spring, Pennsylvania M4.2 130 km
Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 40 km
Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 99 km
Oct 23, 1990 3 km W of Hancocks Bridge, New Jersey M3.2 143 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 60 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 63 km
Nov 14, 1997 0 km S of Rothsville, Pennsylvania M3.0 101 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 56 km
Jan 16, 1994 0 km SSE of Sinking Spring, Pennsylvania M2.9 130 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 45 km
May 10, 1993 1 km NW of Whitfield, Pennsylvania M2.8 131 km
Jul 1, 2009 3 km ESE of Pennsville, New Jersey M2.8 145 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 61 km
Mar 15, 1993 5 km W of Columbia, Maryland M2.7 44 km
Oct 28, 1994 1 km E of Mount Vernon, Maryland M2.7 58 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 88 km
Jan 25, 2015 4 km ESE of Downingtown, Pennsylvania M2.6 138 km
Jan 13, 1990 6 km ENE of Eldersburg, Maryland M2.6 30 km
Jun 25, 2021 2 km SE of Woodlawn, Maryland M2.6 50 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

3 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2. Most recent: Irene (2011, Cat 1).

Year Name Category Closest
2011 Irene Category 1 249 km
1986 Charley Category 1 296 km
1985 Gloria Category 2 265 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

457 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 6 fatalities, 295 injuries.

Date Rating Distance Fatalities
Jul 14, 2004 EF3 94 km 0
Sep 24, 2001 EF3 73 km 2
Jul 19, 1996 EF3 18 km 0
May 22, 1983 EF3 16 km 0
Jun 7, 1980 EF3 42 km 0
Sep 5, 1979 EF3 88 km 1
Apr 1, 1973 EF3 87 km 0
Jun 9, 1961 EF3 63 km 0
Apr 16, 1961 EF3 61 km 0
Apr 5, 1952 EF3 30 km 0
Sep 1, 2021 EF2 94 km 0
Apr 19, 2019 EF2 69 km 0
Nov 2, 2018 EF2 25 km 0
Jul 23, 2017 EF2 98 km 0
Apr 28, 2011 EF2 63 km 0
Sep 18, 2004 EF2 70 km 0
Sep 17, 2004 EF2 77 km 0
Sep 17, 2004 EF2 38 km 0
Sep 17, 2004 EF2 97 km 0
Sep 17, 2004 EF2 85 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-0°C) 2.9 in Coldest
February 33°F (0°C) 2.7 in Driest
March 42°F (5°C) 3.4 in
April 52°F (11°C) 3.3 in
May 62°F (17°C) 3.9 in Wettest
June 70°F (21°C) 3.9 in
July 75°F (24°C) 3.5 in Warmest
August 74°F (23°C) 3.7 in
September 67°F (19°C) 3.6 in
October 55°F (13°C) 3.0 in
November 45°F (7°C) 3.4 in
December 35°F (2°C) 3.1 in

Union Bridge has a seasonal temperature swing of 44°F / from 31°F in January to 75°F in July. Total annual precipitation is 40.3 inches, with May being the wettest month (3.9") and February the driest (2.7").

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