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Antietam, MD

Full City Profile · Maryland · Jefferson County County

3.0 /5.0
B Good
51 Population 340/sq mi density
$360,000 Home Value $337,985 Zillow
53°F Avg Temperature 293 sunny days/yr
58 Violent Crime/100K 777 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
58 violent crimes/100K
A+
Education
5.0 / 5.0
51.2% bachelor's degree or higher
Antietam experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 74°F in July. The area gets 293 sunny days per year. Annual precipitation totals 43.5 inches. Air quality is rated Good with a median AQI of 41.

Temperature

31°F Jan (-0°C) 74°F Jul (23°C)
Annual Average52.9°F
2% below US avg
January Average31°F (-0°C)
July Average74°F (23°C)
Sunny Days293 days/yr

Geography

Elevation351 ft (107 m)
Area0.2 sq mi (0.4 km²)
Population Density340/sq mi
Coordinates39.4151°N, 77.7365°W
TimezoneAmerica/New_York
CountyJefferson County County
Nearest AirportEastern Wv Regional/Shepherd Field (MRB)
13 miles away

Precipitation & Snow

Annual Rainfall 43.5"
14% above US avg
Wettest Month (May) 4.02"
Driest Month (Feb) 2.48"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score47.8 / 100
Social Vulnerability15.8 / 100
Community Resilience52.9 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Low
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Very Low
Drought Relatively Moderate
Cold Wave Very Low
Landslide Very 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: M3.6. Most recent: M2.6 on Jun 25, 2021.

Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 33 km
Jun 13, 2019 9 km N of Blain, Pennsylvania M3.4 114 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 99 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 13 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 94 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 91 km
Oct 25, 2009 4 km ENE of Franklintown, Pennsylvania M2.8 100 km
Mar 15, 1993 5 km W of Columbia, Maryland M2.7 75 km
Oct 28, 1994 1 km E of Mount Vernon, Maryland M2.7 99 km
Mar 11, 1995 0 km ENE of Landisville, Pennsylvania M2.7 137 km
Jan 13, 1990 6 km ENE of Eldersburg, Maryland M2.6 74 km
Jun 25, 2021 2 km SE of Woodlawn, Maryland M2.6 89 km
Jul 27, 1997 5 km SSE of Culpeper, Virginia M2.5 112 km
Jun 25, 2001 8 km S of Remington, Virginia M2.5 107 km
Sep 29, 1997 Virginia M2.5 71 km
Mar 10, 1993 3 km WSW of Columbia, Maryland M2.5 76 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2011 Irene Category 1 279 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tornado History

368 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 3 fatalities, 221 injuries.

Date Rating Distance Fatalities
Sep 24, 2001 EF4 96 km 0
Sep 17, 2004 EF3 100 km 0
Sep 24, 2001 EF3 85 km 2
Jul 19, 1996 EF3 66 km 0
May 22, 1983 EF3 52 km 0
Jun 7, 1980 EF3 84 km 0
Sep 5, 1979 EF3 91 km 1
Apr 1, 1973 EF3 77 km 0
Jun 9, 1961 EF3 99 km 0
Apr 16, 1961 EF3 73 km 0
Apr 5, 1952 EF3 78 km 0
Apr 19, 2019 EF2 55 km 0
Nov 2, 2018 EF2 49 km 0
Sep 17, 2004 EF2 46 km 0
Sep 17, 2004 EF2 71 km 0
Sep 17, 2004 EF2 26 km 0
Sep 17, 2004 EF2 80 km 0
Sep 17, 2004 EF2 93 km 0
Sep 17, 2004 EF2 89 km 0
Sep 17, 2004 EF2 16 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

11 wildfires (100+ acres) within 100 km. Largest: WAITES RUN (5,496 ac, 2024).

Year Name Acres Distance
2024 WAITES RUN 5,496 85 km
2012 NEIGHBOR MTN FIRE 1,986 97 km
2011 SMITH RUN FIRE 1,908 77 km
2020 UNNAMED 1,572 94 km
2012 POINT 2 1,126 79 km
2024 ROCKY BRANCH 1,018 95 km
2014 BEAR DEN 945 93 km
2019 KENNEDY PEAK 769 96 km
2012 WOLF GAP 710 98 km
1984 UNNAMED 696 73 km
2022 UNNAMED 618 96 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-0°C) 2.7 in Coldest
February 34°F (1°C) 2.5 in Driest
March 42°F (6°C) 3.3 in
April 52°F (11°C) 3.3 in
May 62°F (17°C) 4.0 in Wettest
June 70°F (21°C) 3.7 in
July 74°F (23°C) 3.6 in Warmest
August 73°F (23°C) 3.5 in
September 67°F (19°C) 3.4 in
October 55°F (13°C) 3.2 in
November 45°F (7°C) 3.2 in
December 36°F (2°C) 2.8 in

Antietam has a seasonal temperature swing of 43°F / from 31°F in January to 74°F in July. Total annual precipitation is 39.3 inches, with May being the wettest month (4.0") and February the driest (2.5").

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