51105 Zip Code, Sioux City
Crime Rate & Statistics
Good safety — crime rates are below the national average
Safer than 13% of zip codes in Sioux City
Safety at a Glance
Check a specific address
in Sioux City
Is 51105 a Safe Zip Code?
Yes — this zip code has good safety. Zip code 51105 in Sioux City, IA has a safety grade of B. The overall crime index is 152, which is 52% above the national average of 100. This zip code is safer than 13% of zip codes in Sioux City.
Compared to the Sioux City average (crime index 92), zip code 51105 is 60% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.
Looking at specific crime types, larceny / theft is the most elevated concern (index: 157, 57% above average), while assault is the lowest risk (index: 126).
51105 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
|
155 | +55% | High | |
|
Assault
|
126 | +26% | Moderate | |
|
Robbery
|
130 | +30% | Moderate | |
|
Rape
|
141 | +41% | Moderate | |
| Property Crime | ||||
|
Burglary
|
141 | +41% | Moderate | |
|
Larceny / Theft
|
157 | +57% | High | |
|
Vehicle Theft
|
155 | +55% | High | |
How 51105 Compares
Crime index by category: 51105 vs Sioux City average vs national average.
Crime by Category
Overall Crime Comparison
51105 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
51105 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in Sioux City
Frequently Asked Questions
What is the crime rate in Zip code 51105, Sioux City?
Zip code 51105 in Sioux City, IA has a crime safety grade of B as of 2026. The overall crime index is 152, which is 52% above the national average. Compared to the Sioux City average, crime in Zip code 51105 is 60% higher. Zip code 51105 is safer than 13% of neighborhoods in Sioux City.
Is Zip code 51105 a safe neighborhood in Sioux City?
Zip code 51105 is generally considered a safe neighborhood in Sioux City, earning a crime grade of B. The highest concern is Larceny / Theft (index: 157), while Assault is the lowest risk (index: 126). It is one of the higher-crime neighborhoods in Sioux City.
How does Zip code 51105 compare to the rest of Sioux City?
Zip code 51105's overall crime index is 152, compared to the Sioux City average of 92. This means crime in Zip code 51105 is 60% higher than the city average. For violent crime, the index is 138, and for property crime it is 151. 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 51105?
The most prevalent crime type in Zip code 51105 is Larceny / Theft, 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 Zip code 51105?
Nearby neighborhoods with good safety ratings include 51106, 51108, 51111 and 51109. These areas are close to Zip code 51105 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 51105?
Zip code 51105 has a population of approximately 8,547. The median household income is $36,610. The median home value is $111,228. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 51105 crime compare to the national average?
Zip code 51105's overall crime rate is 52% above the national average (index 152 vs 100). Within Sioux City, it is safer than 13% 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.