98040 Zip Code, Mercer Island
Crime Rate & Statistics
Very safe zip code — well below-average crime rates
Safer than 0% of zip codes in Mercer Island
Safety at a Glance
Check a specific address
in Mercer Island
Is 98040 a Safe Zip Code?
Yes — this zip code is very safe. Zip code 98040 in Mercer Island, WA has a safety grade of A. The overall crime index is 56, which is 44% below the national average of 100. This zip code is safer than 0% of zip codes in Mercer Island.
Compared to the Mercer Island average (crime index 47), zip code 98040 is 9% higher in overall crime. Crime levels here are roughly in line with the city average.
Looking at specific crime types, assault is the most elevated concern (index: 81, 19% below average), while murder is the lowest risk (index: 47).
98040 Crime Breakdown
Crime indices compared to national average (100) and Mercer Island city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
47 | -53% | Low | |
|
Assault
|
81 | -19% | Average | |
|
Robbery
|
54 | -46% | Low | |
|
Rape
|
59 | -41% | Low | |
| Property Crime | ||||
|
Burglary
|
75 | -25% | Low | |
|
Larceny / Theft
|
78 | -22% | Low | |
|
Vehicle Theft
|
81 | -19% | Average | |
How 98040 Compares
Crime index by category: 98040 vs Mercer Island average vs national average.
Crime by Category
Overall Crime Comparison
98040 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
98040 Demographics & Context
Education
Housing
Racial Demographics
Frequently Asked Questions
What is the crime rate in Zip code 98040, Mercer Island?
Zip code 98040 in Mercer Island, WA has a crime safety grade of A as of 2026. The overall crime index is 56, which is 44% below the national average. Compared to the Mercer Island average, crime in Zip code 98040 is 9% higher. Zip code 98040 is safer than 0% of neighborhoods in Mercer Island.
Is Zip code 98040 a safe neighborhood in Mercer Island?
Zip code 98040 is generally considered a safe neighborhood in Mercer Island, earning a crime grade of A. The highest concern is Assault (index: 81), while Murder is the lowest risk (index: 47). It is one of the safest neighborhoods in Mercer Island.
How does Zip code 98040 compare to the rest of Mercer Island?
Zip code 98040's overall crime index is 56, compared to the Mercer Island average of 47. This means crime in Zip code 98040 is 9% higher than the city average. For violent crime, the index is 60, and for property crime it is 78. 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 98040?
The most prevalent crime type in Zip code 98040 is Assault, with a crime index of 81 (19% below the national average). Overall, property crime is more prevalent than violent crime in this neighborhood, which is consistent with national trends.
What are the demographics of Zip code 98040?
Zip code 98040 has a population of approximately 30,923. The median household income is $167,760. The median home value is $2,570,243. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 98040 crime compare to the national average?
Zip code 98040's overall crime rate is 44% below the national average (index 56 vs 100). Within Mercer Island, it is safer than 0% 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.