51003 Zip Code, Alton

Crime Rate & Statistics

A+

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

Safer than 0% of zip codes in Alton

Safety at a Glance

Overall Crime Moderate
Low 103 / 300 High
Violent Crime 125
25% above national avg
Property Crime 116
16% above national avg
City Ranking
0%
safer than other
Alton zip codes

Check a specific address

in Alton

Is 51003 a Safe Zip Code?

Yes — this zip code is extremely safe. Zip code 51003 in Alton, IA has a safety grade of A+. The overall crime index is 103, which is 3% above the national average of 100. This zip code is safer than 0% of zip codes in Alton.

Looking at specific crime types, robbery is the most elevated concern (index: 148, 48% above average), while vehicle theft is the lowest risk (index: 91).

Highest Risk
Robbery · Index 148 (48% above avg)
Lowest Risk
Vehicle Theft · Index 91 (9% below avg)

51003 Crime Breakdown

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

Crime Type Index vs National Risk Level
Violent Crime
Murder
111 +11% Moderate
Assault
111 +11% Moderate
Robbery
148 +48% Moderate
Rape
129 +29% Moderate
Property Crime
Burglary
148 +48% Moderate
Larceny / Theft
109 +9% Moderate
Vehicle Theft
91 -9% Average

51003 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

51003 Demographics & Context

Population
2,141
Median Income
$74,381
Home Value
$221,689
Median Age
39
Pop. Density
38/mi²

Education

Bachelor's Degree 11.3%
Graduate Degree 8.4%

Housing

82%
18%
Owner-occupied Renter-occupied

Racial Demographics

White 94.8%
Black 0.5%
Hispanic 6.1%
Asian 0.6%
51003 Crime Map
Interactive crime heatmap for this zip code
Alton Crime Statistics
View all Alton neighborhoods & city-wide data

Frequently Asked Questions

What is the crime rate in Zip code 51003, Alton?

Zip code 51003 in Alton, IA has a crime safety grade of A+ as of 2026. The overall crime index is 103, which is 3% above the national average. Zip code 51003 is safer than 0% of neighborhoods in Alton.

Is Zip code 51003 a safe neighborhood in Alton?

Zip code 51003 is generally considered a safe neighborhood in Alton, earning a crime grade of A+. The highest concern is Robbery (index: 148), while Vehicle Theft is the lowest risk (index: 91). It is one of the safest neighborhoods in Alton.

What type of crime is most common in Zip code 51003?

The most prevalent crime type in Zip code 51003 is Robbery, with a crime index of 148 (48% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.

What are the demographics of Zip code 51003?

Zip code 51003 has a population of approximately 2,141. The median household income is $74,381. The median home value is $221,689. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Zip code 51003 crime compare to the national average?

Zip code 51003's overall crime rate is 3% above the national average (index 103 vs 100). Within Alton, 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.