51103 Zip Code, Sioux City
Crime Rate & Statistics
Above-average safety — lower crime than most zip codes
Safer than 25% of zip codes in Sioux City
Safety at a Glance
Check a specific address
in Sioux City
Is 51103 a Safe Zip Code?
Yes — this zip code is safer than most. Zip code 51103 in Sioux City, IA has a safety grade of B+. The overall crime index is 108, which is 8% above the national average of 100. This zip code is safer than 25% of zip codes in Sioux City.
Compared to the Sioux City average (crime index 92), zip code 51103 is 16% higher in overall crime.
Looking at specific crime types, rape is the most elevated concern (index: 142, 42% above average), while burglary is the lowest risk (index: 100).
51103 Crime Breakdown
Crime indices compared to national average (100) and Sioux City city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
115 | +15% | Moderate | |
|
Assault
|
118 | +18% | Moderate | |
|
Robbery
|
119 | +19% | Moderate | |
|
Rape
|
142 | +42% | Moderate | |
| Property Crime | ||||
|
Burglary
|
100 | 0% | Average | |
|
Larceny / Theft
|
141 | +41% | Moderate | |
|
Vehicle Theft
|
142 | +42% | Moderate | |
How 51103 Compares
Crime index by category: 51103 vs Sioux City average vs national average.
Crime by Category
Overall Crime Comparison
51103 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
51103 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in Sioux City
Frequently Asked Questions
What is the crime rate in Zip code 51103, Sioux City?
Zip code 51103 in Sioux City, IA has a crime safety grade of B+ as of 2026. The overall crime index is 108, which is 8% above the national average. Compared to the Sioux City average, crime in Zip code 51103 is 16% higher. Zip code 51103 is safer than 25% of neighborhoods in Sioux City.
Is Zip code 51103 a safe neighborhood in Sioux City?
Zip code 51103 is generally considered a safe neighborhood in Sioux City, earning a crime grade of B+. The highest concern is Rape (index: 142), while Burglary is the lowest risk (index: 100). It is one of the higher-crime neighborhoods in Sioux City.
How does Zip code 51103 compare to the rest of Sioux City?
Zip code 51103's overall crime index is 108, compared to the Sioux City average of 92. This means crime in Zip code 51103 is 16% higher than the city average. For violent crime, the index is 124, and for property crime it is 128. 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 51103?
The most prevalent crime type in Zip code 51103 is Rape, with a crime index of 142 (42% 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 Zip code 51103?
Nearby neighborhoods with good safety ratings include 51106, 51108, 51111 and 51109. These areas are close to Zip code 51103 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 51103?
Zip code 51103 has a population of approximately 17,216. The median household income is $52,316. The median home value is $134,673. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 51103 crime compare to the national average?
Zip code 51103's overall crime rate is 8% above the national average (index 108 vs 100). Within Sioux City, it is safer than 25% 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.