Thornbrook Neighborhood, Marietta
Last updated: June 14, 2026
Crime Rate & Statistics
Very safe neighborhood — well below-average crime rates
Summary: Thornbrook, Marietta Crime Rate (2026)
Thornbrook in Marietta, GA has a crime safety grade of A as of 2026. The overall crime index is 68, which is 32% below the national average.
Data source: FBI UCR & local law enforcement data. Last updated: June 14, 2026.
Safety at a Glance
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in Marietta
Is Thornbrook Safe?
Yes — this neighborhood is very safe. Thornbrook in Marietta, GA has a safety grade of A. The overall crime index is 68, which is 32% below the national average of 100.
Compared to the Marietta average (crime index 18), Thornbrook is 50% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.
Looking at specific crime types, rape is the most elevated concern (index: 152, 52% above average), while burglary is the lowest risk (index: 49).
Thornbrook Crime Breakdown
Crime indices compared to national average (100) and Marietta city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
74 | -26% | Low | |
|
Assault
|
115 | +15% | Moderate | |
|
Robbery
|
79 | -21% | Low | |
|
Rape
|
152 | +52% | High | |
| Property Crime | ||||
|
Burglary
|
49 | -51% | Low | |
|
Larceny / Theft
|
105 | +5% | Moderate | |
|
Vehicle Theft
|
138 | +38% | Moderate | |
How Thornbrook Compares
Crime index by category: Thornbrook vs Marietta average vs national average.
Crime by Category
Overall Crime Comparison
Thornbrook Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Thornbrook Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Thornbrook, Marietta?
Thornbrook in Marietta, GA has a crime safety grade of A as of 2026. The overall crime index is 68, which is 32% below the national average. Compared to the Marietta average, crime in Thornbrook is 50% higher.
Is Thornbrook a safe neighborhood in Marietta?
Thornbrook is generally considered a safe neighborhood in Marietta, earning a crime grade of A. The highest concern is Rape (index: 152), while Burglary is the lowest risk (index: 49).
How does Thornbrook compare to the rest of Marietta?
Thornbrook's overall crime index is 68, compared to the Marietta average of 18. This means crime in Thornbrook is 50% higher than the city average. For violent crime, the index is 105, and for property crime it is 97. However, crime can vary block by block, so checking the crime map for specific streets is recommended.
What type of crime is most common in Thornbrook?
The most prevalent crime type in Thornbrook is Rape, with a crime index of 152 (52% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Thornbrook?
Nearby neighborhoods with good safety ratings include Atlanta Country Club. These areas are close to Thornbrook and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Thornbrook?
Thornbrook has a population of approximately 80. The median household income is $105,449. The median home value is $394,127. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Thornbrook crime compare to the national average?
Thornbrook's overall crime rate is 32% below the national average (index 68 vs 100). For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.
Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated June 2026.