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Rockville is approximately in the center of Montgomery County. Its location is 39°5' North, 77°9' West.
When the county was founded, the area now known as Rockville was called Montgomery Courthouse, and from the beginning the county seat was located here. In 1784, William Prather Williams, a local landowner, hired a surveyor to lay out much of the town. In his honor, the name was changed to Williamsburgh. By 1803, when the area was officially entered into the county land records, however, the name used was "Rockville," believed to be derived from Rock Creek.
Rockville was incorporated in 1860.
In 1873, the Baltimore and Ohio Railroad arrived, making Rockville easily accessible from Washington, D. C. This led to a period of faster growth.
Rockville is located at 39°5'1" North, 77°8'54" West (39.083708, -77.148226) 1.
According to the United States Census Bureau, the city has a total area of 34.8 km²Square kilometre (symbol km is an SI unit of surface area. It is one of the SI derived units. 1 km² is equal to: the area of a square measuring 1 kilometre on each side 1 000 000 m² 100 hectares 0. 386 102 square miles (statute) 247. 105 381 acres Convers (13.4 mi²This article is about the unit of measure. In England, the Square Mile is a traditional name for the City of London. A square mile (symbol sq. or mi is an imperial unit which is the area of a square whose side is one mile (or 5,280 feet). A square mile is). 34.8 km² (13.4 mi²) of it is land and none of the area is covered with water.
As of the censusA census is the process of obtaining information about every member of a population (not necessarily a human population). It can be contrasted with sampling in which information is only obtained from a subset of a population. As such it is a method used f 2 of 2000, there are 47,388 people, 17,247 households, and 12,003 families residing in the city. The population densityIf you were linked from a country article: the density there is based on land area, see below Population density can be used as a measurement of any tangible item. However it is most frequently applied to living organisms. Population density is usually ex 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.
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 is $68,074, and the median income for a family is $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.