Montgomery   County PA United States

County FIPS 42091
Largest City Lower Merion
State Pennsylvania
Latitude 40.2108
Longitude -75.3673
Population 867,573
Density 1796.94 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $113,915
Median individual: $54,789

Race

Mode: 73.1% White

Gender

 51.0% female 

Rent

  $1683 / month  

Median house value: $436,222.0

Age

Median: 41.2 years old

Education

With at least college degree: 53.0%
With STEM degree: 46.1%

Marital Status

 52.8% married 

Never married: 31.7%

Labor Force Participation

 67.8% working 

Unemployed: 4.5%

Average Family Size

 3.12 people 

Commute Time

 27.8 minutes 

Health Care

 3.9% uninsured 

Poverty

 6.5%

All data comes from the SimpleMaps US Counties Database, 2026.

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