Rockville is the county seat of Montgomery County, Maryland, United States. According to the 2005 census update, the city had a total population of 57,402, making it the fourth largest city in Maryland.
As of the 2003 census update, there are 52,375 people and 19,895 households living within the boundaries of the city. These figures are an increase from the earlier 2000 census, which cited a total population of 47,388 people, 17,247 households, and 12,003 families residing in the city.
The population density is 1,360.3/km² (3,524.1/mi²). There are 17,786 housing units at an average density of 510.6/km² (1,322.7/mi²). The racial makeup of the city is 67.78% White, 9.11% African American, 0.34% Native American, 14.83% Asian, 0.03% Pacific Islander, 4.78% from other races, and 3.13% from two or more races. 11.67% of the population are Hispanic or Latino of any race. Rockville is home to the largest Chinese community in Maryland, and one of the largest on the East Coast; the city is widely considered to be a Little Taipei. The city also has a large Korean population as well. Rockville is also a center of the Washington D.C.'s Jewish population as it contains several synagogues, kosher restaurants, and the largest of the Washington area's three Jewish community centers which includes a Jewish nursing home, day school, theater, and educational facility. The community also boasts a sizable Indian population.
There are 17,247 households out of which 33.0% have children under the age of 18 living with them, 56.6% are married couples living together, 9.5% have a female householder with no husband present, and 30.4% are non-families. 23.8% of all households are made up of individuals and 8.9% have someone living alone who is 65 years of age or older. The average household size is 2.65 and the average family size is 3.13.
In the city the population is spread out with 23.4% under the age of 18, 7.0% from 18 to 24, 32.1% from 25 to 44, 24.4% from 45 to 64, and 13.1% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 95.2 males. For every 100 females age 18 and over, there are 92.2 males.
The median income for a household in the city as of 2003 is $73,275. As of 2000, the median income for a family was $79,051. Males have a median income of $53,764 versus $38,788 for females. The per capita income for the city is $30,518. 7.8% of the population and 5.6% of families are below the poverty line. Out of the total population, 8.9% of those under the age of 18 and 7.9% of those 65 and older are living below the poverty line.
Rockville is served by Montgomery County Public Schools.
Institutions of higher education in Rockville include Montgomery College (Rockville Campus), University of Maryland University College (main campus is in Adelphi, Maryland), and Johns Hopkins University (Montgomery County Campus]; main campus is in Baltimore, Maryland).