Alderdale Neighborhood, Federal Way
Last updated: May 23, 2026
Crime Rate & Statistics
Above-average safety — lower crime than most neighborhoods
Summary: Alderdale, Federal Way Crime Rate (2026)
Alderdale in Federal Way, WA has a crime safety grade of B+ as of 2026. The overall crime index is 127, which is 27% above the national average.
Data source: FBI UCR & local law enforcement data. Last updated: May 23, 2026.
Safety at a Glance
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in Federal Way
Is Alderdale Safe?
Yes — this neighborhood is safer than most. Alderdale in Federal Way, WA has a safety grade of B+. The overall crime index is 127, which is 27% above the national average of 100.
Compared to the Federal Way average (crime index 80), Alderdale is 47% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.
Looking at specific crime types, vehicle theft is the most elevated concern (index: 134, 34% above average), while burglary is the lowest risk (index: 44).
Alderdale Crime Breakdown
Crime indices compared to national average (100) and Federal Way city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
130 | +30% | Moderate | |
|
Assault
|
101 | +1% | Moderate | |
|
Robbery
|
54 | -46% | Low | |
|
Rape
|
133 | +33% | Moderate | |
| Property Crime | ||||
|
Burglary
|
44 | -56% | Low | |
|
Larceny / Theft
|
100 | 0% | Average | |
|
Vehicle Theft
|
134 | +34% | Moderate | |
How Alderdale Compares
Crime index by category: Alderdale vs Federal Way average vs national average.
Crime by Category
Overall Crime Comparison
Alderdale Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Alderdale Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Alderdale, Federal Way?
Alderdale in Federal Way, WA has a crime safety grade of B+ as of 2026. The overall crime index is 127, which is 27% above the national average. Compared to the Federal Way average, crime in Alderdale is 47% higher.
Is Alderdale a safe neighborhood in Federal Way?
Alderdale is generally considered a safe neighborhood in Federal Way, earning a crime grade of B+. The highest concern is Vehicle Theft (index: 134), while Burglary is the lowest risk (index: 44).
How does Alderdale compare to the rest of Federal Way?
Alderdale's overall crime index is 127, compared to the Federal Way average of 80. This means crime in Alderdale is 47% higher than the city average. For violent crime, the index is 105, and for property crime it is 93. 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 Alderdale?
The most prevalent crime type in Alderdale is Vehicle Theft, with a crime index of 134 (34% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Alderdale?
Nearby neighborhoods with good safety ratings include Madrona (Meadows) / Fed Way, Alderbrook, Twin Lakes and Campus Highlands / Fed Way. These areas are close to Alderdale and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Alderdale?
Alderdale has a population of approximately 405. The median household income is $87,913. The median home value is $556,126. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Alderdale crime compare to the national average?
Alderdale's overall crime rate is 27% above the national average (index 127 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 May 2026.