ZIP 51521 has safety grade c, a population of about 1,741, an overall crime rate near 9 per 100k as of 2026. For real estate investors, safety is only half the picture: pair these crime statistics with rental demand and returns to judge whether ZIP 51521 is a sound place to buy. See the investment overview for ZIP 51521 for median prices, rental yield and Pulse Score, or run the numbers in the ROI analyzer.
51521 crime snapshot: safety grade B+, violent crime rate 3.86 per 1,000 residents, property crime rate 9.91 per 1,000 residents. Compare nearby zip codes, hotspots, and safety recommendations below.
High Risk
per 1000 residents
51521, IA demonstrates excellent safety with a A+ safety rating. The area maintains low crime rates and is considered very safe for residents and visitors.
With property crimes being more prevalent (0% of total incidents), residents should secure their homes and vehicles, install security systems, and maintain good lighting around their properties.
The relatively low crime count of 0 incidents suggests 51521 maintains good community safety standards.
51521 demonstrates crime rates well below national averages, showcasing effective community safety initiatives.
Green markers indicate safer areas, red markers indicate high crime areas. Blue markers show the currently selected zip code.
Explore related real estate, safety, and education data for 51521.
Browse data for nearby cities and zip codes.
Crime rates are normalized per 1,000 residents based on reported incidents in FBI UCR and local agency feeds. We split incidents into violent, property, and other categories so you can see where the risk concentrates.
The “Safest Zip Codes” section above ranks nearby zip codes by safety score, while the “High Crime Zip Codes” section highlights areas with elevated reported crime in ZIP code 51521.
Crime data is refreshed on a rolling basis as updated reports are published by the FBI’s Crime Data Explorer and partnering agencies.
Combine this crime report with the market overview for ZIP code 51521 and the school report linked in the “Related analysis” section to assess both safety and investment fundamentals.
PulseReal’s analysis is built on top of these public, authoritative datasets.
Official UCR crime statistics by state and agency from the FBI.
Population, demographics, housing, and income data from the US Census Bureau.
Encyclopedic overview of the city, history, and notable landmarks.
Housing affordability, fair-market rents, and market reports from HUD.
Local unemployment and employment data from the Bureau of Labor Statistics.
Bureau of Justice Statistics publications on US crime victimization.
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