New Market is located in west-central Jefferson County at . It is bordered to the east by Jefferson City. U.S. Route 11E passes through the town, leading northeast to Jefferson City and to Morristown, and southwest to Knoxville. According to the United States Census Bureau, New Market has a total area of, all land. The town sits in the valley of Lost Creek, a west-flowing tributary of the Holston River.
Demographics
As of the census of 2000, there were 1,234 people, 473 households, and 366 families residing in the town. The population density was 479.2 people per square mile. There were 521 housing units at an average density of 202.3 per square mile. The racial makeup of the town was 92.38% White, 3.89% African American, 0.08% Native American, 0.41% Asian, 2.11% from other races, and 1.13% from two or more races. Hispanic or Latino of any race were 3.65% of the population. There were 473 households out of which 30.2% had children under the age of 18 living with them, 61.7% were married couplesliving together, 11.2% had a female householder with no husband present, and 22.6% were non-families. 20.7% of all households were made up of individuals and 10.4% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 2.98. In the town, the population was spread out with 23.9% under the age of 18, 8.1% from 18 to 24, 28.7% from 25 to 44, 25.3% from 45 to 64, and 14.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 105.0 males. For every 100 females age 18 and over, there were 95.2 males. The median income for a household in the town was $39,583, and the median income for a family was $45,298. Males had a median income of $29,828 versus $19,900 for females. The per capita income for the town was $17,439. About 4.3% of families and 5.7% of the population were below the poverty line, including 3.0% of those under age 18 and 15.7% of those age 65 or over.
On September 24, 1904, two passenger trains collided head-on near New Market, killing a large number of people. Different sources give different values for the number of deaths, ranging from 54 to 113.
