The racial makeup of the county was 88.2% white, 7.0% black or African American, 0.6% Asian, 0.3% American Indian, 1.4% from other races, and 2.4% from two or more races.
Those of Hispanic or Latino origin made up 3.6% of the population.
The above-named book does state that Grant County, Indiana is named for Samuel and Moses Grant of Kentucky, killed in battle with the Indians.
HOWEVER, the next entry states that Grant County, Kentucky, according to John Mc Gee was named for Col. Worthing Mc Cann, the county was named for Samuel Grant.
The judge on the court is elected to a term of four years and must be a member of the Indiana Bar Association.
In recent years, average temperatures in Marion have ranged from a low of 16 °F (−9 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −23 °F (−31 °C) was recorded in January 1985 and a record high of 108 °F (42 °C) was recorded in July 1936.
Of the 27,245 households, 29.4% had children under the age of 18 living with them, 48.0% were married couples living together, 13.4% had a female householder with no husband present, 33.9% were non-families, and 28.8% of all households were made up of individuals.
The average household size was 2.39 and the average family size was 2.89. The median income for a household in the county was ,697 and the median income for a family was ,860.
In 1831, Martin Boots and David Branson each donated 30 acres of land to begin a settlement called Marion.
This land was on the north side of a fast-flowing and scenic river the Miami Indians called Mississinewa -"laughing Waters." Thus Grant County was formed with Marion as the County Seat.