Marietta Neighborhood, Florissant
Last updated: June 10, 2026
Crime Rate & Statistics
Above-average safety — lower crime than most neighborhoods
Summary: Marietta, Florissant Crime Rate (2026)
Marietta in Florissant, MO has a crime safety grade of B+ as of 2026. The overall crime index is 61, which is 39% below the national average.
Data source: FBI UCR & local law enforcement data. Last updated: June 10, 2026.
Safety at a Glance
Check a specific address
in Florissant
Is Marietta Safe?
Yes — this neighborhood is safer than most. Marietta in Florissant, MO has a safety grade of B+. The overall crime index is 61, which is 39% below the national average of 100.
Compared to the Florissant average (crime index 75), Marietta is 14% lower in overall crime.
Looking at specific crime types, assault is the most elevated concern (index: 157, 57% above average), while murder is the lowest risk (index: 34). Property crime is more prevalent than violent crime here, consistent with broader national patterns.
Marietta Crime Breakdown
Crime indices compared to national average (100) and Florissant city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
34 | -66% | Low | |
|
Assault
|
157 | +57% | High | |
|
Robbery
|
42 | -58% | Low | |
|
Rape
|
55 | -45% | Low | |
| Property Crime | ||||
|
Burglary
|
139 | +39% | Moderate | |
|
Larceny / Theft
|
78 | -22% | Low | |
|
Vehicle Theft
|
64 | -36% | Low | |
How Marietta Compares
Crime index by category: Marietta vs Florissant average vs national average.
Crime by Category
Overall Crime Comparison
Marietta Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Marietta Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Marietta, Florissant?
Marietta in Florissant, MO has a crime safety grade of B+ as of 2026. The overall crime index is 61, which is 39% below the national average. Compared to the Florissant average, crime in Marietta is 14% lower.
Is Marietta a safe neighborhood in Florissant?
Marietta is generally considered a safe neighborhood in Florissant, earning a crime grade of B+. The highest concern is Assault (index: 157), while Murder is the lowest risk (index: 34).
How does Marietta compare to the rest of Florissant?
Marietta's overall crime index is 61, compared to the Florissant average of 75. This means crime in Marietta is 14% lower than the city average. For violent crime, the index is 72, and for property crime it is 94. 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 Marietta?
The most prevalent crime type in Marietta is Assault, with a crime index of 157 (57% above the national average). Overall, property crime is more prevalent than violent crime in this neighborhood, which is consistent with national trends.
What are safer neighborhoods near Marietta?
Nearby neighborhoods with good safety ratings include Black Jack, Florissant and Old Jamestown. These areas are close to Marietta and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Marietta?
Marietta has a population of approximately 271. The median household income is $88,205. The median home value is $178,207. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Marietta crime compare to the national average?
Marietta's overall crime rate is 39% below the national average (index 61 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.