Christiana is located at . According to the United States Census Bureau, the borough has a total area of, all of it land.
History
On September 11, 1851, Christiana was the site of the Battle of Christiana, in which the local residents defended with firearms a fugitive slave, killing the slaveowner. Southerners demanded the hanging of those responsible, who were accused of treason and making war onthe United States, but after the first defendant was acquitted, the government dropped the case. The trial was the first nationally covered challenge to the Fugitive Slave Law of 1850.
Demographics
Christiana is the least populous borough in Lancaster County. As of the census of 2000, there were 1,124 people, 383 households, and 284 families residing in the borough. The population density was 2,121.6 people per square mile. There were 391 housing units at an average density of 738.0 per square mile. The racial makeup of the borough was 96.09% White, 1.87% Black or African American, 0.18% Native American, 0.27% from other races, and 1.60% from two or more races. 4.00% of the population were Hispanic or Latino of any race. There were 383 households, out of which 33.2% had children under the age of 18 living with them, 58.7% were married couplesliving together, 11.5% had a female householder with no husband present, and 25.6% were non-families. 22.2% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.00. In the borough the population was spread out, with 22.8% under the age of 18, 7.3% from 18 to 24, 26.8% from 25 to 44, 20.3% from 45 to 64, and 22.9% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 85.2 males. For every 100 females age 18 and over, there were 78.2 males. The median income for a household in the borough was $48,333, and the median income for a family was $50,583. Males had a median income of $35,125 versus $25,000 for females. The per capita income for the borough was $18,764. About 3.8% of families and 6.3% of the population were below the poverty line, including 13.5% of those under age 18 and 1.6% of those age 65 or over.