51527 Zip Code, Defiance

Crime Rate & Statistics

A+

One of the safest zip codes — significantly below-average crime

Safer than 0% of zip codes in Defiance

Safety at a Glance

Overall Crime Average
Low 92 / 300 High
Violent Crime 110
10% above national avg
Property Crime 72
28% below national avg
City Ranking
0%
safer than other
Defiance zip codes

Check a specific address

in Defiance

Is 51527 a Safe Zip Code?

Yes — this zip code is extremely safe. Zip code 51527 in Defiance, IA has a safety grade of A+. The overall crime index is 92, which is 8% below the national average of 100. This zip code is safer than 0% of zip codes in Defiance.

Looking at specific crime types, rape is the most elevated concern (index: 137, 37% above average), while larceny / theft is the lowest risk (index: 42). Violent crime is a particular area of concern relative to property crime in this zip code.

Highest Risk
Rape · Index 137 (37% above avg)
Lowest Risk
Larceny / Theft · Index 42 (58% below avg)

51527 Crime Breakdown

Crime indices compared to national average (100) and Defiance city average. Higher values mean more crime.

Crime Type Index vs National Risk Level
Violent Crime
Murder
87 -13% Average
Assault
104 +4% Moderate
Robbery
113 +13% Moderate
Rape
137 +37% Moderate
Property Crime
Burglary
125 +25% Moderate
Larceny / Theft
42 -58% Low
Vehicle Theft
48 -52% Low

51527 Crime Map

Crime heatmap based on block-group level data. Red areas indicate higher crime density.

Full Screen Map
Crime Level: Low Below Avg Average Above Avg High

See the crime score for a specific address

51527 Demographics & Context

Population
407
Median Income
$69,185
Home Value
$168,699
Median Age
49
Pop. Density
10/mi²

Education

Bachelor's Degree 7.3%
Graduate Degree 1.7%

Housing

80%
20%
Owner-occupied Renter-occupied

Racial Demographics

White 97%
Black 0.4%
Hispanic 3.2%
Asian 0.5%
51527 Crime Map
Interactive crime heatmap for this zip code
Defiance Crime Statistics
View all Defiance neighborhoods & city-wide data

Frequently Asked Questions

What is the crime rate in Zip code 51527, Defiance?

Zip code 51527 in Defiance, IA has a crime safety grade of A+ as of 2026. The overall crime index is 92, which is 8% below the national average. Zip code 51527 is safer than 0% of neighborhoods in Defiance.

Is Zip code 51527 a safe neighborhood in Defiance?

Zip code 51527 is generally considered a safe neighborhood in Defiance, earning a crime grade of A+. The highest concern is Rape (index: 137), while Larceny / Theft is the lowest risk (index: 42). It is one of the safest neighborhoods in Defiance.

What type of crime is most common in Zip code 51527?

The most prevalent crime type in Zip code 51527 is Rape, with a crime index of 137 (37% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.

What are the demographics of Zip code 51527?

Zip code 51527 has a population of approximately 407. The median household income is $69,185. The median home value is $168,699. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Zip code 51527 crime compare to the national average?

Zip code 51527's overall crime rate is 8% below the national average (index 92 vs 100). Within Defiance, 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.