Murfreesboro is a city in, and the county seat of, Pike County, Arkansas, United States. Its population was 1,764 at the 2000 census. The city is known for the Crater of Diamonds State Park located south of the city.
Murfreesboro is located at 34°3′59″N 93°41′21″W / 34.06639°N 93.68917°W / 34.06639; -93.68917 (34.066255, -93.689256). According to the United States Census Bureau, the city has a total area of 2.0 square miles (5.2 km), all land.
As of the census of 2000, there were 1,764 people, 732 households, and 485 families residing in the city. The population density was 906.5 people per square mile (349.3/km²). There were 830 housing units at an average density of 426.5/sq mi (164.3/km²). The racial makeup of the city was 89.23% White, 7.31% Black or African American, 1.08% Native American, 0.11% Asian, 0.91% from other races, and 1.36% from two or more races. 1.36% of the population were Hispanic or Latino of any race.
There were 732 households out of which 30.2% had children under the age of 18 living with them, 51.5% were married couples living together, 12.3% had a female householder with no husband present, and 33.7% were non-families. 31.1% of all households were made up of individuals and 18.7% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.89.
In the city, the population was spread out with 24.4% under the age of 18, 6.3% from 18 to 24, 26.0% from 25 to 44, 22.4% from 45 to 64, and 20.9% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 85.9 males. For every 100 females age 18 and over, there were 81.7 males.
The median income for a household in the city was $26,806, and the median income for a family was $33,456. Males had a median income of $26,300 versus $18,523 for females. The per capita income for the city was $17,124. About 11.0% of families and 14.1% of the population were below the poverty line, including 13.7% of those under age 18 and 16.3% of those age 65 or over.