As of the census of 2010, there were 30,531 people and 10,844 households within the CDP. The population density was 725.2 people per square mile. The racial makeup of the CDP was 92.44% White, 3.42% African American, 0.22% Native American, 1.98% Asian, 0.44% from other races, 0.76% from two or more races, and 1.47% of the population were Hispanic or Latino of any race. The majority of Hispanics and Latinos in Eldersburg identified as White; 75% of Latinos in Eldersburg were White and White Latinos comprised 1.7 of Eldersburg's total population. Non-Hispanics in Eldersburg were predominantly White; 90.8% of Eldersburg's residents were non-Hispanic whites, 3.4% were non-Hispanic blacks, and 2% were non-Hispanic Asians. By national origin, 27% of Eldersburg's Latinos were of Mexican descent, 18% were of Puerto Rican descent, and 9% were of Cuban descent. According to the 2000 Census, there were 9,138 households, of which 44.1% included children under the age of 18, 72.2% were married couples, 7.1% were single females, and 17.9% were non-families. 14.8% of all households were individuals, and 7.2% of households consisted of someone 65 years of age or older living alone. The average household size was 2.92, and the average family size was 3.25. As of 2000, the ancestry of Eldersburg's residents was 24% German, 18% Irish, 13% English, 8% Italian, 5% Polish, 3% Black or African-American, 2% French, 2% Scottish and 2% Dutch. People of Scotch-Irish, Swedish, Greek, Welsh, Russian, Hungarian, Slovak and Lithuanian descent each comprised 1% of the population. Census data found that 29.1% of the population were under the age of 18, 5.9% were 18 to 24, 31.9% were 25 to 44, 23.7% were 45 to 64, and 9.4% were 65 or older. The median age was 36. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 98.4 males. The median income for a household was $70,851, and the median income for a family was $75,848. Males had a median income of $51,473; females had a median income of $34,728. The per capita income was $25,639. About 1.6% of families and 2.4% of the population were below the poverty line, including 1.9% of those under age 18 and 4.6% of those age 65 or over. In 2007, Money Magazine ranked Eldersburg in its "Top 100 Places to Live" - ranking it 56th. In 2009, Eldersburg, MD ranked 47th on the same list.
Religion
The Chabad Jewish Center of Carroll County, an Orthodox synagogue, was founded in Eldersburg in 2013. Prior to Chabad, Carroll County had no synagogue for years. A decade before, the only synagogue in Carroll County was Beth Shalom, a Conservative synagogue that no longer exists. Beginning in 1996, Beth Shalom was operating the only Jewish school in Carroll County. Eldersburg is also home to the Eldersburg Jewish Congregation, a Conservative synagogue that operated the Eldersburg Hebrew Learning Center. In 2013, the Hebrew Learning Center was merged into A Hebrew School in Your Neighborhood, a program run by Beth El of Pikesville.
The Carroll Transit System runs the South Carroll TrailBlazer, which links Eldersburg to Sykesville, as well as the Eldersburg-Westminster TrailBlazer which links Eldersburg to Westminster. The Owings Mills station of the Baltimore Metro SubwayLink in nearby Owings Mills, Baltimore County, is a 20 minute drive by car from Eldersburg and provides subway access to downtown Baltimore. There is no bus link between Eldersburg and nearby Randallstown in Baltimore County, in part due to longstanding opposition to inter-county public transit from Carroll County officials and residents.
Associated Social Media
Facebook groups Eldersburg Online Community, ThE-Burg, and The People of Eldersburg were created to allow members to showcase community events, recommendations, local business ads, and any other positive and productive discussion on the town of Eldersburg, MD. All three groups are closed, access to the groups requires a membership.