Glossary of Terms

Aggravated Assault:

An unlawful attack for the purpose of inflicting serious bodily injury. This assault is usually accompanied by the use of a weapon or by means likely to produce death or great bodily harm. Attempts are also included.

Body Mass Index (BMI): 

A measure of human weight status based on an individual's mass and height. The BMI is used in a wide variety of contexts as a simple method to assess how much an individual's body weight departs from what is normal or desirable for a person of his or her height. The formula for BMI is body mass divided by the square of height - with the value universally being given in units of kg/m2.  Individuals having BMI of 18.5 – 25 are generally considered as being normal weight. BMI between 25 and 30 indicated overweight, and BMI over 30 is considered obese.

Breaking or Entering: 

The unlawful entry of a structure to commit a felony or theft. The use of force to gain entry is not required to classify an offense as breaking or entering.

Criminal Domestic Violence:  

Defined in South Carolina as "causing physical harm or injury to a person's own household member, or offering or attempting to cause physical harm or injury to a person's own household member with apparent present ability under circumstances reasonably creating fear or imminent peril." A household member can mean a spouse, former spouse, parent, child, person related by consanguinity or affinity within the second degree, a person who had a child with you, or a person of the opposite sex who lives with you or lived with you.


Householder living with one or more people related to him by birth, marriage, or adoption. 

Family Income: 

The sum of the incomes of persons residing together in households who are related by blood, marriage, or adoption.


Householder living alone or with nonrelatives only.

Household Income

Includes income of the householder and all other people 15 years and older in the household, whether or not they are related to the householder.


The unlawful taking of property from the possession of another. It includes shoplifting, pocket-picking, purse snatching, thefts from motor vehicles, thefts of motor vehicle parts, and accessories without force, violence or fraud. It does not include embezzlement, con games, forgery, bad checks or motor vehicle theft.


The point in the data that divides the distribution into halves (for an even number of data points, the median is derived from the average of the two middle data points).


The arithmetic average.

Metropolitan Statistical Area (MSA): 

Generally, an area with a large population nucleus, together with adjacent communities having a high degree of social and economic integration with that core. Metropolitan areas comprise one or more entire counties, except in New England, where cities and towns are the basic geographic units. 

1:  the cultivation or growth of a single crop or organism especially on agricultural or forest land
2:  a crop or a population of a single kind of organism grown on land in monoculture
Motor vehicle theft

The stealing or attempted stealing of a motor vehicle; e.g., cars, trucks, buses, motorcycles, motor-scooters, etc. This excludes the unauthorized temporary taking of motor vehicles by those having lawful access.


The willful killing of one person by another. The classification of this offense is based on police investigation as opposed to the determination of a court, medical examiner, coroner, jury or other judicial body. Deaths caused by negligence, suicide, accident or justifiable homicides are not included.

National Ambient Air Quality Standards:

Standards that are established by the United States Environmental Protection Agency under the authority of the Clean Air Act (42 U.S.C. 7401 et seq.) that apply to outdoor air throughout the county.

Natural Resources:

Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.

Nitrogen Oxides:

Any oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts.


A colorless, unstable toxic gas with a pungent odor and powerful oxidizing properties which is formed from oxygen by electrical discharges or ultraviolet light.

Particulate Matter:

Also known as particle pollution, is a complex mixture of small particles and liquid droplets.  Particulate matter is made up of many components, including acids (such as sulfates and nitrates), organic chemicals, soil, dust particles, and metals.

Per capita income:

The mean income received in the past 12 months computed for every man, woman, and child in a geographic area. It is derived by dividing the total income of all people 15 years old and over in a geographic area by the total population in that area. Note -- income is not collected for people under 15 years old even though those people are included in the denominator of per capita income. This measure is rounded to the nearest whole dollar.

Population Density:

The number of people living per unit of an area (e.g. per square mile)

Population, County: 

The total number of men, women and children who are living in the county

Poverty Rate: 

Percent of people who were in poverty in a calendar year. Annual poverty rates from the Current Population Survey and the decennial census long form are based on income reported at an annual figure.

Poverty Thresholds

Used by the US Census to calculate all official poverty population figures, they areupdated each year. (See also Poverty Guidelines.)

Poverty Guidelines

The simplified version of the federal poverty measure used for administrative purposes such as determining financial eligibility for certain federal programs. They are issued each year in the Federal Register by the Department of Health and Human Services (HHS).

2015 Poverty Guidelines for the 48 Contiguous States and the District of Columbia

Persons in family/household

Poverty guideline

















For families/household with more than 8 persons,

add $4,160 for each additional person


Property Crimes:

As defined by the Uniform Crime Reporting Program, includes the offenses of breaking or entering, larceny, and motor vehicle theft.


See "How the US Census Defines Self-Identified Race Categories" below.


The carnal knowledge of a person, forcibly and against their will.  Assaults or attempts to commit rape by force or threat of force are also included; however, statutory rape (without force) and other sex offenses are excluded.


A tendency to relapse into a previous condition or mode of behavior; especially :  relapse into criminal behavior


The taking or attempted taking of anything of value from the care, custody, or control of a person or persons by force or the threat of force, by violence, or by putting the victim in fear.

Violent Crime:

As defined by the Uniform Crime Reporting Program, consists of murder, rape, robbery and aggravated assault, and involves the element of personal confrontation between the victim and offender.

Volatile Organic Compounds:

Any compound of carbon, excluding carbon monoxide, carbonic acid, ammonium carbonate, and metallic carbides or carbonates, which participates in atmospheric reactions, except those designated by EPA as having negligible photochemical reactivity.


People are considered unemployed if they do not have a job, have actively looked for work in the prior 4 weeks, and are currently available for work.


How the US Census Defines Self-Identified Race Categories


A person having origins in any of the original peoples of Europe, the Middle East, or North Africa. It includes people who indicate their race as "White" or report entries such as Irish, German, Italian, Lebanese, Arab, Moroccan, or Caucasian.

Black or African American.

A person having origins in any of the Black racial groups of Africa. It includes people who indicate their race as "Black, African Am., or Negro"; or report entries such as African American, Kenyan, Nigerian, or Haitian.

American Indian and Alaska Native.

A person having origins in any of the original peoples of North and South America (including Central America) and who maintains tribal affiliation or community attachment. This category includes people who indicate their race as "American Indian or Alaska Native" or report entries such as Navajo, Blackfeet, Inupiat, Yup'ik, or Central American Indian groups or South American Indian groups.


A person having origins in any of the original peoples of the Far East, Southeast Asia, or the Indian subcontinent including, for example, Cambodia, China, India, Japan, Korea, Malaysia, Pakistan, the Philippine Islands, Thailand, and Vietnam. It includes people who indicate their race as "Asian Indian," "Chinese," "Filipino," "Korean," "Japanese," "Vietnamese," and "Other Asian" or provide other detailed Asian responses.

Native Hawaiian and Other Pacific Islander.

A person having origins in any of the original peoples of Hawaii, Guam, Samoa, or other Pacific Islands. It includes people who indicate their race as "Native Hawaiian," "Guamanian or Chamorro," "Samoan," and "Other Pacific Islander" or provide other detailed Pacific Islander responses.

Two or more races.

People may have chosen to provide two or more races either by checking two or more race response check boxes, by providing multiple responses, or by some combination of check boxes and other responses.

The concept of race is separate from the concept of Hispanic origin.

Percentages for the various race categories add to 100 percent, and should not be combined with the percent Hispanic.

Non-Hispanic White alone persons.

Individuals who responded "No, not Spanish/Hispanic/Latino" and who reported "White" as their only entry in the race question. Tallies that show race categories for Hispanics and non-Hispanics separately are also available.