The Town Files

Tredyffrin, Pennsylvania

Township in Chester County · population 31,927 (2020 Census)

Map: where Tredyffrin is in PennsylvaniaTredyffrin
Median home
$709,700
Household income
$162,194
Jan low / Jul high
23° / 88°
Snow a year
25 in
Tornadoes ≤10 mi since 1950
12
Median age
42.6

Tredyffrin is a township of 31,927 people in Chester County, Pennsylvania. The median home is worth $709,700, above the typical Pennsylvania town ($214,250). It ranks more upscale than 100% of Pennsylvania towns, better for young professionals than 95% of Pennsylvania towns, better transit than 95% of Pennsylvania towns.

How Tredyffrin 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.

Tredyffrin lifestyle rankings vs other Pennsylvania townsRetirement81st pctFamilies71st pctQuiet18th pctWalkability77th pctFirst-time buyersbottomYoung professionals95th pctVibrancy80th pctHip & trendy74th pctCollege town66th pctUpscale100th pctVacation homesbottomSeaside characterbottomCyclingbottomTransit95th pctDriving5th 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 Tredyffrin is worth $709,700, above the typical Pennsylvania town ($214,250). Homes cost about 4.4 times the median household income of $162,194, which is more affordable than 4% of Pennsylvania towns. Median rent is $2,105 a month. 74.3% of households own their home.

Tredyffrin vs Chester County vs typical Pennsylvania townTredyffrinChester CountyTypical Pennsylvania townHome value$709,700$485,600$214,250Household income$162,194$127,208$75,278Monthly rent$2,105$1,763$996
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Pennsylvania towns with 500+ people.
HousingTredyffrinTypical Pennsylvania town
Median home value$709,700$214,250
Median rent$2,105$996
Median household income$162,194$75,278
Home value ÷ income4.4×2.8×
Homeownership74.3%81.5%
Median year built19741971
Seasonal / vacation homes0.2%—

Who lives in Tredyffrin

PeopleTredyffrinTypical Pennsylvania town
Median age42.644.2
Age 65 and over17.3%21.1%
Under 1824.8%—
Bachelor's degree or higher78.1%23.8%
Below the poverty line5.0%8.5%
Veterans3.1%—
Born outside the U.S.24.6%—
Work from home30.1%10.6%
Average commute25.5 min25.9 min
Homes with broadband96.7%89.0%

Weather in Tredyffrin

July highs average 87.7°F and January lows 22.8°F. About 45.1 inches of rain and melted snow fall a year, with 25.3 inches of snow (typical Pennsylvania town: 31.8 in). Expect about 29 days a year at 90°F or hotter and 117 nights at or below freezing.

Tredyffrin monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing41°23°Jan44°24°Feb53°31°Mar65°41°Apr75°51°May83°61°Jun88°66°Jul86°64°Aug79°56°Sep67°44°Oct56°34°Nov45°27°DecPrecipitation (in) · snow (in) in blue3.16.82.910.93.73.03.50.23.33.94.64.44.43.90.13.40.14.14.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Phoenixville 1 E station (4.3 mi away); snow from Norristown (6.6 mi).

Tornadoes, storms and disasters

12 tornadoes have passed within 10 miles of Tredyffrin since 1950, compared with 10 for the typical Pennsylvania town. 3 rated (E)F2 or stronger. The strongest, an F3, struck on March 22, 1955 about 1.6 miles from the town center and killed 1. Tornadoes within 10 miles have caused 1 deaths and 4 injuries since 1950. The most recent was on August 4, 2020.

Tornadoes within 10 miles of Tredyffrin by decade11950s11960s21970s11980s61990s02000s02010s12020s
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 37 times; the largest was 2.00 inches on August 10, 2008.

Severe weather in Chester County since 1996

Storm events in Chester County since 1996 by typeHail80Flood70Dense Fog49Lightning46Heavy Rain39Flash Flood227Strong Wind19Winter Storm38
NOAA Storm Events Database, Chester County, 1996–2026 (all event types recorded since 1996). 9 deaths recorded.

Chester County has been included in 26 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
September 10, 2021HurricaneDR-4618: Remnants Of Hurricane Ida
March 30, 2020BiologicalDR-4506: Covid-19 Pandemic
March 13, 2020BiologicalEM-3441: Covid-19
March 23, 2016SnowstormDR-4267: Severe Winter Storm And Snowstorm
February 6, 2014Severe Ice StormEM-3367: Severe Winter Storm

Jobs and pay in Chester County

Chester County had 251,284 jobs in 2024, paying an average of $87,886 a year. Unemployment was 2.6% in 2023; in Tredyffrin itself the ACS puts it at 4.4%.

Largest industries in Chester CountyHealth care & social assistan…34,721 jobs · $62,161Professional & technical serv…25,480 jobs · $134,278Finance & insurance23,985 jobs · $169,683Retail23,914 jobs · $45,750Manufacturing17,891 jobs · $86,060Hotels & restaurants17,379 jobs · $26,335
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Chester County, 2000–20230%2%4%6%8%2000200420082012201620202023Chester 2.6%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Tredyffrin

Tredyffrin questions

Is Tredyffrin, Pennsylvania a good place to retire?

On The Town Files lifestyle rankings, Tredyffrin scores better for retirees than 81% of Pennsylvania towns and quieter than 18%. 17.3% of residents are 65 or older (median age 42.6).

How much does a house cost in Tredyffrin?

The median owner-occupied home in Tredyffrin is valued at $709,700 (Census ACS 2020–2024), against a median household income of $162,194, so homes cost about 4.4 times income. Median rent is $2,105 a month.

What is the weather like in Tredyffrin?

July highs average 87.7°F and January lows 22.8°F (NOAA 1991–2020 normals). It gets about 45.1 inches of precipitation a year and 25.3 inches of snow.

Does Tredyffrin get tornadoes?

12 tornadoes have passed within 10 miles of Tredyffrin since 1950 (NOAA Storm Events); the strongest was a F3 on March 22, 1955. The typical Pennsylvania town has had 10.

How this page is made. Every number comes from public data, matched to Tredyffrin's Census boundary (GEOID 4202977344). 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 2026-11-12.