06831 Zip Code, Greenwich
Crime Rate & Statistics
Very safe zip code — well below-average crime rates
Safer than 50% of zip codes in Greenwich
Safety at a Glance
Check a specific address
in Greenwich
Is 06831 a Safe Zip Code?
Yes — this zip code is very safe. Zip code 06831 in Greenwich, CT has a safety grade of A. The overall crime index is 43, which is 57% below the national average of 100. This zip code is safer than 50% of zip codes in Greenwich.
Compared to the Greenwich average (crime index 54), zip code 06831 is 11% lower in overall crime.
Looking at specific crime types, assault is the most elevated concern (index: 107, 7% above average), while murder is the lowest risk (index: 24). Violent crime is a particular area of concern relative to property crime in this zip code.
06831 Crime Breakdown
Crime indices compared to national average (100) and Greenwich city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
24 | -76% | Low | |
|
Assault
|
107 | +7% | Moderate | |
|
Robbery
|
81 | -19% | Average | |
|
Rape
|
68 | -32% | Low | |
| Property Crime | ||||
|
Burglary
|
56 | -44% | Low | |
|
Larceny / Theft
|
27 | -73% | Low | |
|
Vehicle Theft
|
45 | -55% | Low | |
How 06831 Compares
Crime index by category: 06831 vs Greenwich average vs national average.
Crime by Category
Overall Crime Comparison
06831 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
06831 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in Greenwich
Frequently Asked Questions
What is the crime rate in Zip code 06831, Greenwich?
Zip code 06831 in Greenwich, CT has a crime safety grade of A as of 2026. The overall crime index is 43, which is 57% below the national average. Compared to the Greenwich average, crime in Zip code 06831 is 11% lower. Zip code 06831 is safer than 50% of neighborhoods in Greenwich.
Is Zip code 06831 a safe neighborhood in Greenwich?
Zip code 06831 is generally considered a safe neighborhood in Greenwich, earning a crime grade of A. The highest concern is Assault (index: 107), while Murder is the lowest risk (index: 24). It is one of the safest neighborhoods in Greenwich.
How does Zip code 06831 compare to the rest of Greenwich?
Zip code 06831's overall crime index is 43, compared to the Greenwich average of 54. This means crime in Zip code 06831 is 11% lower than the city average. For violent crime, the index is 70, and for property crime it is 43. 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 Zip code 06831?
The most prevalent crime type in Zip code 06831 is Assault, with a crime index of 107 (7% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Zip code 06831?
Nearby neighborhoods with good safety ratings include 06830. These areas are close to Zip code 06831 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 06831?
Zip code 06831 has a population of approximately 15,713. The median household income is $217,696. The median home value is $2,498,390. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 06831 crime compare to the national average?
Zip code 06831's overall crime rate is 57% below the national average (index 43 vs 100). Within Greenwich, it is safer than 50% of neighborhoods. 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 April 2026.