Maryland Prison Statistics

I've been tracking prison statistics and would like to share my findings. The data I collect is published in Maryland Department of Public Safety Annual Reports, in the Department of Corrections in the Corrections - Operations(formerly Division of Corrections)Annual Reports. Most of the data below has to do with inmates processed. The records are published in pdf format for each year by the state, which I have gathered and converted to a spreadsheet for anyone who needs the data.

Total Population and Inmates Processed at Maryland Department of Corrections


Inmates Processed by Race and Gender Inmates Processed by Major Offense (this is a portion of the major offenses) Inmates Processed by Jurisdiction

Baltimore Homicide Statistics - Manner of Death

The Baltimore Police Department classifies homicides in four main categories: Blunt Force Trauma, Gunshots, Stabbings and Asphyxiation. Every year there are a few homicides that fall into other categories as well but for research purposes this study will only look at these four categories. Below is a bar graph that shows the number of homicides between 2007 and 2011 that fall into each category. Keep in mind the number of homicides is decreasing over time, the total number was 282 in 2007 and 196 in 2011.

One may notice the number of homicides is on the decrease in all categories except stabbings which is on the increase. To make a fair comparison we will need to compare the percentage of homicides in each method of death of the total number of homicides in each year.

With this chart one can see the percentage of shootings and asphyxiations is decreasing, the percentage of blunt force trauma varies and the percentage of stabbings is on the increase. The reason for this is because it is becoming increasingly harder in Baltimore to get one's hands on a gun.

These posts regarding Baltimore and Detroit homicides might be of interest:
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics - Gender Study of Homicide Victims
Detroit Homicide Statistics - Method of Death
Detroit Homicide Statistics - Number of Homicides on Each Day of the Month during the year 2010, Chart
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Comparison of Baltimore Homicide and Surveillance Camera Locations

Baltimore Homicide Statistics - Gender Comparison Study

According to the US Census, the population of Baltimore City is 51.5% female and 48.5% male. However, in 2012 89.9% of the homicide victims were male and just 10.1% of the victims were female.

First, let's look at the number of homicide victims of each gender.

One might observe an increase recent in both the number of male and female victims.

Next, let's look at the percentage of the total number of each gender in each year of the time frame studied.

When the percent of total is broken down between the genders one see the recent the percentage of males is decreasing slightly and the percentage of females in increasing.

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These other posts regarding Baltimore and Detroit homicides might be of interest:
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month of 2011
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims
Baltimore Homicide Statistics - Method of Death
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics - Method of Death
Detroit Homicide Statistics - Gender Study of Homicide Victims
Detroit Homicide Statistics-Number of Homicides on Each Day of the Month during the year 2010, Chart
Comparison of Baltimore Homicide and Surveillance Camera Locations

Baltimore Homicide Statistic - Age Range of Victim Comparisons

Homicides in Baltimore City are steadily decreasing. Baltimore ended 2012 with 217 homicides, a 10.7% increase over 2011. Below is a charge denoting the number of homicides in age range increments of 10 years.

One sees a clearer picture of the challenges when one graphs the percentage of the total of each age range group.

These other posts regarding Baltimore and Detroit homicides might be of interest:
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month of 2011
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Method of Death
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics - Gender Study of Homicide Victims
Detroit Homicide Statistics - Method of Death
Detroit Homicide Statistics-Number of Homicides on Each Day of the Month during the year 2010, Chart
Comparison of Baltimore Homicide and Surveillance Camera Locations

Detroit Homicide Statistics - Number of Homicides on Each Day of the Month of 2010

This chart denotes the number of homicides in Detroit during 2010 on each day of the month.



I'm at a loss for an explanation as too why there are more homicides in the beginning of the month than at the end. All opinions welcome in the Comment Section.

These posts regarding Detroit and Baltimore homicides might be of interest:
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics - Gender Comparison Study of Homicide Victims
Detroit Homicide Statistics - Method of Death
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Baltimore Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month of the year 2011
Comparison of Baltimore Homicide and Surveillance Camera Locations

Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month of 2011

A new phenomenon is starting to occur within the Baltimore City Homicide Statistics. In 2011 Baltimore City is starting to see a marked increase in the number of homicides occuring toward the end of the month. The area graph below charts the numbers of homicides that happen on each day of the month during 2011.



This marked increase also occured somewhat in 2010 but not in the years 2009, 2008 and 2007. Nor has it occurred in Detroit for the year 2010.

Possible explanation for this increase is that 11% of Baltimore City residents receive disability checks, many receive retirement and pension checks all at the beginning of the month. For this reason there is more money available and less stress at the beginning of the month than at the end of the month. Most of the homicide victims and those that commit homicides are young black males in the 20-29 age range. Nationally black males have a 35% unemployment rate, and this may be even steeper in Baltimore City which has experienced a loss of manufacturing jobs.

Many Baltimore homicides are drug related and robbery related. Young men dominate the drug trade locally. When money is available there is an abundance of clients that wish to purchase drugs, when money is not available turf wars break out and people resort to robberies. These clashes may lead to violent incidences.

These posts regarding Detroit and Baltimore homicides might be of interest:
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics - Gender Study of Homicide Victims
Detroit Homicide Statistics -Number of Homicides on Each Day of the Month during the year 2010, Chart
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Comparison of Baltimore Homicide and Surveillance Camera Locations

Detroit Homicide Statistics: Gender Study, comparison of the number of male and female victims

We know that in the United States more men than women are victims of violent crime. It is no surprise that in Detroit far more men are homicide victims than women.

The chart on the left represents the number of homicide victims of each gender since 2003. In 2011 the number of both male and female victims increased over the previous year.

To get a better understanding of the gender trend this chart on the right represents the percentage of homicide victims of each gender starting in the year 2003.

Detroit is unique because it has a fair number of female homicide victims, enough to make studying their numbers interesting.

The graph to the left allows the viewer just to look at the number of female homicide victims. One can see the overall downward trend over the last few years.

These other posts regarding Detroit an Baltimore homicides might be of interest:
Detroit Homicide Statistics -Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics-Number of Homicides on Each Day of the Month during the year 2010, Chart
Detroit Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims
Comparison of Baltimore Homicide and Surveillance Camera Locations

To receive Detroit Homicide updates join The Detroit Crime and Homicide Facebook Group

Detroit Homicide Statistics - Age Ranges of Victims

The number of homicides in the city of Detroit has varied widely over the last 8 years, Detroit had 409 homicides in 2004,308 homicides in 2010 and 344 in 2011. During that time the number of homicides did appear to be decreasing although in 2011 the number of homicides increased significantly. The number of homicide victims in each age range (10 year increments) is graphed below. Since the number of homicides is not a static number a more telling way of looking at the data is to examine each age range's number of victims as a percentage of the total number of homicides in a given year. As one can see in the line graph above the largest percentage of homicides occurs in the group of victims that is in the 20-29 age range, which ranges between 31 and 39% of the total of each year. In 2011 the percentage of this group was 38.66% of the total, resulting in 133 homicide victims of people in this age range. This group is followed by the 30-39 age range which comprises 20-27%. This age range percentage of the total doesn't appear to be increasing or decreasing overall, but holding steady.

These other posts regarding Detroit and Baltimore homicides might be of interest:
Detroit Homicide Statistics -Gender Study of Homicide Victims
Comparison of Baltimore and Detroit Homicide Victims in Different Age Ranges
Detroit Homicide Statistics - Method of Death
Detroit Homicide Statistics - Number of Homicides on Each Day of the Month
Baltimore Homicide Statistics - Number of Homicides on Each Day of the Month
Baltimore Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims
Comparison of Baltimore Homicide and Surveillance Camera Locations

To receive Detroit Homicide updates join The Detroit Crime and Homicide Facebook Group

Comparison between Baltimore and Detroit, Percentages of Homicide Victims in Different Age Ranges

One would think what was going on in both Baltimore and Detroit would be similar, but when it comes to the respective cities age ranges of homicide victims it turns that Baltimore has a much higher percentage of people between the ages of 20 and 29 being murdered than Detroit. Detroit has a higher percentage of young victims in the 10-19 age range and also higher percentage of its seniors over the age of 59 becoming homicide victims. In 2010 the population of Baltimore City was 621,000 and there were 223 homicides. For Detroit the population in 2010 was 714,000 and there were 308 homicides. In 2011 Detroit ended the year with 344 homicides and Baltimore had 196 homicides.

These other posts regarding Detroit homicides might be of interest:
Detroit Homicide Statistics - Age Range Comparisons of Homicide Victims
Detroit Homicide Statistics -Gender Study of Homicide Victims
Detroit Homicide Statistics - Number of Homicides in Detroit on Each Day of the Month during the year 2010, Chart
Detroit Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Method of Death
Baltimore Homicide Statistics - Gender Comparison of Victims
Baltimore Homicide Statistics - Comparison of the Age Ranges of the Victims


To receive Detroit Homicide updates join The Detroit Crime and Homicide Facebook Group