crimebycounty

Most Dangerous Counties in Pennsylvania

Counties with the highest crime rates in Pennsylvania — ranked by FBI UCR data.

Highest Crime County

Philadelphia County

2/100

State Avg Safety Score

62/100

State Avg Violent Crime

142.0

per 100K

15 Most Dangerous Counties in Pennsylvania

1

Philadelphia County

Philadelphia County, Pennsylvania

Violent: 1037.7 per 100K(↑ vs national avg)Property: 4335.7 per 100K
2/100

Safety Score

2

Erie County

Erie County, Pennsylvania

Violent: 303.1 per 100K(↓ vs national avg)Property: 1480.2 per 100K
27/100

Safety Score

3

Montgomery County

Montgomery County, Pennsylvania

Violent: 112.2 per 100K(↓ vs national avg)Property: 1353.6 per 100K
37/100

Safety Score

4

McKean County

McKean County, Pennsylvania

Violent: 257.1 per 100K(↓ vs national avg)Property: 1183.9 per 100K
38/100

Safety Score

5

Fayette County

Fayette County, Pennsylvania

Violent: 222.7 per 100K(↓ vs national avg)Property: 1214.0 per 100K
38/100

Safety Score

6

Allegheny County

Allegheny County, Pennsylvania

Violent: 248.9 per 100K(↓ vs national avg)Property: 1115.5 per 100K
40/100

Safety Score

7

Fulton County

Fulton County, Pennsylvania

Violent: 151.3 per 100K(↓ vs national avg)Property: 1175.7 per 100K
41/100

Safety Score

8

Luzerne County

Luzerne County, Pennsylvania

Violent: 172.1 per 100K(↓ vs national avg)Property: 1124.2 per 100K
43/100

Safety Score

9

Warren County

Warren County, Pennsylvania

Violent: 161.1 per 100K(↓ vs national avg)Property: 997.6 per 100K
48/100

Safety Score

10

Lackawanna County

Lackawanna County, Pennsylvania

Violent: 207.3 per 100K(↓ vs national avg)Property: 937.1 per 100K
49/100

Safety Score

11

Mercer County

Mercer County, Pennsylvania

Violent: 216.1 per 100K(↓ vs national avg)Property: 920.4 per 100K
49/100

Safety Score

12

Lehigh County

Lehigh County, Pennsylvania

Violent: 103.4 per 100K(↓ vs national avg)Property: 1029.4 per 100K
50/100

Safety Score

13

York County

York County, Pennsylvania

Violent: 171.3 per 100K(↓ vs national avg)Property: 928.8 per 100K
51/100

Safety Score

14

Mifflin County

Mifflin County, Pennsylvania

Violent: 162.5 per 100K(↓ vs national avg)Property: 912.3 per 100K
52/100

Safety Score

15

Lycoming County

Lycoming County, Pennsylvania

Violent: 136.8 per 100K(↓ vs national avg)Property: 928.8 per 100K
53/100

Safety Score

Frequently Asked Questions

What is the most dangerous county in Pennsylvania?

Philadelphia County has the highest crime rate in Pennsylvania with a safety score of 2/100, based on FBI UCR violent and property crime data.

How are crime rates measured in Pennsylvania counties?

Crime rates are reported per 100,000 residents using FBI Uniform Crime Reporting (UCR) data. This includes both violent crimes (murder, assault, robbery) and property crimes (burglary, larceny, motor vehicle theft).

What are the 5 most dangerous counties in Pennsylvania?

The 5 most dangerous counties in Pennsylvania are: 1. Philadelphia County (2/100), 2. Erie County (27/100), 3. Montgomery County (37/100), 4. McKean County (38/100), 5. Fayette County (38/100).

Concerned about home security?

SimpliSafe offers 24/7 professional monitoring with no contracts required.

Get Protected →

Sponsored

Data Sources

Crime data sourced from the FBI Crime Data Explorer (UCR) and County Health Rankings. Safety scores are derived composite metrics.

Data is informational only. Not legal or security advice. Coverage varies by county and reporting year.

Data as of 2026-03-10.

← All Pennsylvania CountiesSafest Counties in Pennsylvania →