Mason City, Iowa Trend of Aggravated Assault Crime Rate

Updated on September 18, 2025.

According to the FBI UCR data, in 2024, there were 29 aggravated assault crimes in Mason City IA, and the aggravated assault crime rate per 100K residents was 108.27. Compared to 2023, the aggravated assault crime rate decreased by 9%.

The chart below shows the aggravated assault crime rate and the table below shows the number of crimes and crime rate from 2010 to 2024.

You can see similar information for other Iowa cities.

You can also see similar information for other types of crimes.

Related Topics: Mason City, IA FBI UCR 2024 Topic List.

Data Source: FBI UCR.

Mason City, IA Aggravated Assault Crime Rate Per 100K

Mason City, IA Number and Rate of Aggravated Assault Crimes

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Year	Number of Crimes	Crime Rate Per 100K
2010	35	128.00
2011	23	81.49
2012	29	103.38
2013	17	61.27
2014	16	57.93
2015	31	113.50
2016	27	99.16
2017	20	73.19
2019	155	574.59
2020	91	339.41
2021	82	308.85
2022	54	199.76
2023	32	119.61
2024	29	108.27