The Town Files

Pen Mar, Pennsylvania

Community in Franklin County · population 947 (2020 Census)

Map: where Pen Mar is in PennsylvaniaPen Mar
Median home
$270,300
Household income
$117,825
Jan low / Jul high
23° / 84°
Snow a year
33 in
Tornadoes ≤10 mi since 1950
11
Median age
35.4

Pen Mar is a community of 947 people in Franklin County, Pennsylvania. The median home is worth $270,300, above the typical Pennsylvania town ($214,250). It ranks more walkable than 72% of Pennsylvania towns.

How Pen Mar ranks

Percentile among Pennsylvania towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Pennsylvania towns.

Pen Mar lifestyle rankings vs other Pennsylvania townsRetirement21st pctFamilies31st pctQuiet40th pctWalkability72nd pctFirst-time buyers66th pctYoung professionals26th pctVibrancy47th pctHip & trendy57th pctCollege town8th pctUpscale32nd pctVacation homesbottomSeaside characterbottomCyclingbottomTransit48th pctDriving38th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Pen Mar is worth $270,300, above the typical Pennsylvania town ($214,250). Homes cost about 2.3 times the median household income of $117,825, which is more affordable than 79% of Pennsylvania towns. 92.9% of households own their home.

Pen Mar vs Franklin County vs typical Pennsylvania townPen MarFranklin CountyTypical Pennsylvania townHome value$270,300$249,800$214,250Household income$117,825$77,003$75,278
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Pennsylvania towns with 500+ people.
HousingPen MarTypical Pennsylvania town
Median home value$270,300$214,250
Median rent—$996
Median household income$117,825$75,278
Home value ÷ income2.3×2.8×
Homeownership92.9%81.5%
Median year built19801971
Seasonal / vacation homes0.0%—

Who lives in Pen Mar

PeoplePen MarTypical Pennsylvania town
Median age35.444.2
Age 65 and over10.6%21.1%
Under 1831.3%—
Bachelor's degree or higher29.4%23.8%
Below the poverty line1.1%8.5%
Veterans10.2%—
Born outside the U.S.1.3%—
Work from home15.2%10.6%
Average commute26.5 min25.9 min
Homes with broadband93.7%89.0%

Weather in Pen Mar

July highs average 83.6°F and January lows 23.0°F. About 48.6 inches of rain and melted snow fall a year, with 33.0 inches of snow (typical Pennsylvania town: 31.8 in). Expect about 7 days a year at 90°F or hotter and 106 nights at or below freezing.

Pen Mar monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing39°23°Jan42°25°Feb52°31°Mar65°42°Apr73°52°May80°60°Jun84°65°Jul81°63°Aug75°58°Sep65°46°Oct54°36°Nov43°28°DecPrecipitation (in) · snow (in) in blue3.810.63.09.54.46.54.00.64.94.23.74.05.34.13.70.63.55.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Catoctin Mtn Park station (5.8 mi away); snow from S Mtn (8.6 mi).

Tornadoes, storms and disasters

11 tornadoes have passed within 10 miles of Pen Mar since 1950, compared with 10 for the typical Pennsylvania town. The strongest, an F1, struck on May 25, 2004 about 6.1 miles from the town center. The most recent was on May 17, 2011.

Tornadoes within 10 miles of Pen Mar by decade11950s11960s11970s21980s31990s22000s12010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 26 times; the largest was 2.00 inches on August 7, 2023.

Severe weather in Franklin County since 1996

Storm events in Franklin County since 1996 by typeHail77Heat5Flood16Drought12Tornado9High Wind15Ice Storm6Heavy Snow31
NOAA Storm Events Database, Franklin County, 1996–2026 (all event types recorded since 1996). 1 deaths recorded.

Franklin County has been included in 20 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.

DeclaredIncidentDeclaration
March 30, 2020BiologicalDR-4506: Covid-19 Pandemic
March 13, 2020BiologicalEM-3441: Covid-19
March 23, 2016SnowstormDR-4267: Severe Winter Storm And Snowstorm
January 10, 2013HurricaneDR-4099: Hurricane Sandy
October 29, 2012HurricaneEM-3356: Hurricane Sandy

Jobs and pay in Franklin County

Franklin County had 60,414 jobs in 2024, paying an average of $55,554 a year. Unemployment was 2.9% in 2023; in Pen Mar itself the ACS puts it at 4.2%.

Largest industries in Franklin CountyManufacturing8,715 jobs · $70,960Transportation & warehousing8,514 jobs · $59,593Health care & social assistan…8,499 jobs · $56,818Retail7,364 jobs · $33,282Hotels & restaurants4,403 jobs · $20,558Administrative & support2,581 jobs · $42,732
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Franklin County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Franklin 2.9%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Pen Mar

Pen Mar questions

Is Pen Mar, Pennsylvania a good place to retire?

On The Town Files lifestyle rankings, Pen Mar scores better for retirees than 21% of Pennsylvania towns and quieter than 40%. 10.6% of residents are 65 or older (median age 35.4).

How much does a house cost in Pen Mar?

The median owner-occupied home in Pen Mar is valued at $270,300 (Census ACS 2020–2024), against a median household income of $117,825, so homes cost about 2.3 times income. Median rent is — a month.

What is the weather like in Pen Mar?

July highs average 83.6°F and January lows 23.0°F (NOAA 1991–2020 normals). It gets about 48.6 inches of precipitation a year and 33.0 inches of snow.

Does Pen Mar get tornadoes?

11 tornadoes have passed within 10 miles of Pen Mar since 1950 (NOAA Storm Events); the strongest was a F1 on May 25, 2004. The typical Pennsylvania town has had 10.

How this page is made. Every number comes from public data, matched to Pen Mar's Census boundary (GEOID 4258776). Comparisons use the median of Pennsylvania towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.