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  •   State: 
    Montgomery County
      County FIPS: 
    39°5′1″N 77°8′54″W
      Area total: 
    13.64 sq mi (35.33 km²)
      Area land: 
    13.60 sq mi (35.23 km²)
      Area water: 
    0.04 sq mi (0.09 km²)
    451 ft (137 m)
    1717; Settled 1717
  •   Latitude: 
      Dman name cbsa: 
    Washington-Arlington-Alexandria, DC-VA-MD-WV
    Eastern Standard Time (EST) UTC-5:00; Eastern Daylight Time (EDT) UTC-4:00
      ZIP codes: 

    Rockville, Montgomery County, Maryland, United States

  •   Population: 
      Population density: 
    4,933.62 residents per square mile of area (1,904.92/km²)
      Household income: 
      Unemployment rate: 
  •   Sales taxes: 
      Income taxes: 

Rockville is a city that serves as the county seat of Montgomery County, Maryland. The 2020 census tabulated Rockville's population at 67,117, making it the fifth-largest community in Montgomery County. Rockville, along with neighboring Gaithersburg and Bethesda, is at the core of the Interstate 270 Technology Corridor which is home to numerous software and biotechnology companies as well as several federal government institutions. The city, one of the major retail hubs in Montgomery county, also has several upscale regional shopping centers. The first recorded mention of the settlement which would later become known as Rockville dates to the Braddock Expedition in 1755. The place, known as Owen's Ordinary, took on greater prominence when, on April 14, 1755, Major General Edward Braddock stopped at Owen'sOrdinary on a start of a mission from George Town (now Washington, D.C.) The first land patents in the Rockville area were obtained by Arthur Nelson between 1717 and 1735. Within three decades, the first permanent buildings in what would become the center of Rockville were established on this land. At the time, Rockville did not have a name; it was generally called Hungerford's Tavern, after the well-known tavern in it. In 1784, William Prather Williams, a local landowner, hired a surveyor to lay out much of the town. In his honor, many took to calling the town Williamsburg and Montgomery Court House. In the 19th century, it was officially named Wattsville after the nearby town of Watts.


Rockville is the primary city name, but also N Bethesda, North Bethesda are acceptable city names or spellings, No Bethesda on the other hand no longer accepted or obsolete and are no longer used as a designation. Rockville is located in the Piedmont region and crossed by three creeks. Native Americans lived in the area as early as 8000 BC. The first land patents in the Rockville area were obtained by Arthur Nelson between 1717 and 1735. Early Rockville was known by a variety of names, including Owen's Ordinary, Hungerford's Tavern, and Daley's Tavern. During the Civil War, General George B. McClellan stayed at the Beall house in Rockville. Rockville became the seat of the county's government in 1803, when George Town was ceded to the federal government to create the District of Columbia. It was first considered to officially name the town Wattsville, but the stream was later considered too small to give its name to the town. The name "Rockville" continued to appear on maps and other documents through the 1820s through the mid-20th century, when the name was changed to "Williamsburg" The first recorded mention of the settlement which would later become known as Rockville dates to the Braddock Expedition in 1755. The location of the road, near the present Rockville Pike, was strategically located on higher ground making it dry year-round. It is now one of the largest thoroughfares in the colony of Maryland, and was once known as the Rock Creek Main Road or Great Road. The town was incorporated in 1860 by General George McClellen at the request of the citizens of Rockville's citizens.


According to the U.S. Census Bureau, the city has a total area of 13.57 square miles (35.15 km²) Rockville is in hardiness zone 7a, meaning that the average annual minimum winter temperature is 0 to 5 °F (18 to 15 °C) The average first frost occurs on October 21, and the average final frost occurs in April. The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system Rockville has a humid subtropical climate, abbreviated "Cfa" on climate maps. The city is located on the Ohio River, which runs through the center of the city. It has a population of 2,816. The town is located in the Ohio Valley, which is a region known for its hot, dry summers and mild winters. It also has a reputation for being a good place to raise a child, as the town has a high percentage of first-grader children. Rockville was the site of the first high school football game in the United States, held in 1903. It is also the home of the Ohio State University women's basketball team, which won the NCAA championship in the 1980s and 1990s. It was also the location of the NCAA Division I Women's Basketball Championship, which was held in the late 1990s and early 2000s. In the city's history, it has been known to host the Winter Olympics and the Winter Games.


As of the census of 2010, there were 61,209 people, 23,686 households, and 15,524 families residing in the city. The median income for a household as of 2020 was $111,797. In 2015, the per capita income for the city was $49,399. Out of the total population, 8.9% of those under the age of 18 and 7.9%. of those 65 and older were living below the poverty line. The racial makeup of the city is 60.4% White (52.8% non-Hispanic white), 9.6% African American, 0.3% Native American, 20.6%. Asian, 5.3%. from other races, and 3.8%. from two or more races. Hispanic or Latino of any race were 14.3. percent of the population. The city's median age was 38.7 years, and 21.5% of residents were under the ages of 18; 7.2% were between the agesof 18 and 24; 31.1% were from 25 to 44; 26.3%; and 14% were 65 or older. The gender makeup ofThe city was 47.9 percent male and 52.1 percent female. The population density was 4,530.6 inhabitants per square mile (1,749.3/km²). There were 25,199 housing units at an average density of 1,865.2 per squaremile (720.2/ km²).


Choice Hotels, Westat, and Bethesda Softworks/ZeniMax Media are headquartered in Rockville. According to the city's 2018 Comprehensive Annual Financial Report, the top employers in the city are: Choice Hotels and Westat. The city's unemployment rate is at 4.7%. The unemployment rate for the city is at 3.9%. The city has a high school graduation rate of 9.8%. The highest rate of unemployment is at 6.1%. The lowest rate is 3.7. The average household income is $62,000. The lowest unemployment rate in the town is at 2.7 percent. The highest unemployment rate was at 1.8 percent in the spring of 2013. The top employers are Choice Hotel, West at, Bethesda Soft Works, and ZeniMax Media. The largest employers are: Westat and Choice Hotel and West at. It is estimated that the city has more than 1,000 jobs in the construction industry. It has one of the highest unemployment rates in the country. The unemployment rates are at 3%. The average income is about 3.8 per cent. The number of jobs created per year is about 1,200. It's the highest rate for a city of its size in the U.S. and the highest for Washington, D.C. and Maryland. The economy is estimated to have grown by 1.7 per cent in the last five years. The population has grown by 2.1 per cent since the start of the decade.


The Rockville Express are a Cal Ripken, Sr. Collegiate Baseball League team. The city is also home to the Rockville Baseball Association, a youth baseball and softball organization that has offered programing every year since its founding in 1954. Rockville is the site of the 2007 CRSCBL League Champions. The Rockville Police Department is based in the city. The town is home to a number of high schools, including Rockville High School and Rockville Technical College. The City of Rockville has a history of hosting major league baseball games, including the World Series in 1974 and the American League Championship Series in 1978. The Red Sox have won two World Series titles in their history, the last in 1986 and 1987. The team was founded in 1903 and was known as the "Rockville Red Sox" before becoming the Red Sox in the 1950s and 1960s. It was also known as "The Red Sox Town" in the 1960s and '70s. In the 1980s, the team was called the "Red Sox City" and the team won the National League Championship in 1987. It is also known for its baseball and football teams. The baseball team was named the "Ripken Express" in honor of the late baseball legend. The Express were founded by Ripken's son, Cal, who played for the team in the 1970s and 1980s. The club won the league title in 1988 and 1989. It also won the League title in 1991 and 1992.


Rockville was incorporated in 1860, but its early records were destroyed by Confederate soldiers in July 1864. The current mayor of Rockville is Bridget Donnell Newton. The four councilmembers are Monique Ashton, Beryl L. Feinberg, David Myles and Mark Pierzchala. Rockville has 26 boards and commissions: Animal Matters Board, Board of Appeals, Charter Review Commission, Community Policing Advisory Board, Compensation Commission, Cultural Arts Commission, Environment Commission, Ethics Commission, Financial Advisory Board and Historic District Commission. The city has a council-manager form of government, with the mayor and City Council serving as the governing body of the city. In November 2019, Rockville voted in the 66th election for Mayor and Council. The mayor and council were re-elected with a majority of the vote, and the city is now headed by a mayor-council government. The council has a four-member City Council, whose members serve as the city's governing body. The City Council has a mayor and four council members, who serve as its governing body, and a representative body, the Animal Matters board. The Board of Supervisors of Elections has a board of supervisors, which has a chairman and four members. The Human Services Advisory Board has a member, who advises the mayor on the Human Services and Recreation and Park Advisory Boards. The Sign Review Board, which advises the city on signs and signs, has three members: the sign-review board, the retirement board and the traffic and transportation board.


Rockville is served by the Montgomery County Public Schools system. Public high schools in Rockville include Thomas S. Wootton High School and Richard Montgomery High School. The John L. Gildner Regional Institute for Children and Adolescents provides education for children with special educational needs. Private schools located near Rockville (with Rockville postal addresses) include: Charles E. Smith Jewish Day School (North Bethesda) and Melvin J. Berman Hebrew Academy (Aspen Hill)Montrose Christian School in North Bethesda has closed. The Rockville Memorial Library offers services for residents and visitors to access books, databases, newspapers, magazines, and internet access. The Montgomery College (MC), main campus is located within Rockville and enrolls more than 15,000 students as of March 2019. The University of Maryland Global Campus, The Johns Hopkins University Montgomery County Campus, and the Universities at Shady Grove all have Rockville addresses, but are just outside the city limits. Rockville is home to the U.S. Air Force Academy, which is based in Washington, D.C. It is also the home of the Naval Postgraduate School, which was founded in 1878. It was the site of the first air base in the United States, which opened in 1881. The U.N. Peace Corps has a training center in the city, which has since been expanded to serve more than 100,000 people around the world. It also has a base of operations in Afghanistan.


I-270 is the main highway leading northwest out of metropolitan Washington, D.C., beginning at Interstate 495 (the Capital Beltway) and proceeding northwestward to Interstate 70 in Frederick. Maryland Route 355 was the precursor to I-270 and follows a parallel route, and now serves as the main commercial roadway through Rockville and neighboring communities. The Washington Metro Red Line rail system can be accessed at Rockville station and Twinbrook station. Amtrak trains also serve Rockville. Bus service connects Rockville directly to the regional transit hub at BaltimoreWashington International Airport, and to downtown Baltimore via the Maryland Transit Administration ICC Bus and the Baltimore Light Rail. Ride On buses provides service within the city and to places within the county like Gaithersburg, Clarksburg and Silver Spring. The Brunswick Line of the MARC commuter rail system runs to and from Washington,D.C. and can be access to Rockville Station. Rockville is located on the eastern edge of the National Park Service's Frederick County, Maryland, region. It is home to the Frederick County Airport, which is located just outside the city limits. The Frederick County Jail is located in the western part of the city, near the town of Frederick, Maryland. It was founded in the early 1900s and is one of the oldest jails in the United States. The county has a population of about 3,000. It has a history of being the site of many civil rights protests. It also has a long history of civil rights activism.

Law enforcement

Rockville City is served by the Rockville City Police Department. The city is aided by the Montgomery County Police Department as directed by the relevant authorities. Rockville is located on the banks of the Rock River. The Rock River runs through the center of the city. The town has a population of 2,000. The population of Rockville was 3,000 at the beginning of the 20th century. It has grown to 4,000 as of the end of the 21st century, and is expected to reach 5,000 by the end. It is the site of the U.S. Air Force's second-largest base, after Shreveport, Louisiana. It also has the largest number of residents of any city in the United States, with 1,000 people living in Rockville. It was named after Rockville, Missouri, which was founded in 1881. The first city to be named after a Rockville resident, it was named for the town's oldest resident, William Rockville (1801-1883). The city's name is derived from Rockville County, which is located in the north of the county. The name Rockville means "rocky" or "mountain" in English. The word Rockville refers to the city's history and is used to refer to Rockville as a place of business. It means "Rockville" in French, and "rockville" means "town" in the Spanish language. It's also known as "Rock County" in Spanish.

Air Quality, Water Quality, Superfund Sites & UV Index

The Air Quality index is in Rockville, Montgomery County, Maryland = 42.6. These Air Quality index is based on annual reports from the EPA. Higher values are better (100=best). The number of ozone alert days is used as an indicator of air quality, as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide, lead, and volatile organic chemicals. The Water Quality Index is 50. A measure of the quality of an area’s water supply as rated by the EPA. Higher values are better (100=best). The EPA has a complex method of measuring the watershed quality, using 15 indicators such as pollutants, turbidity, sediments, and toxic discharges. The Superfund Sites Index is 98. Higher is better (100=best). Based upon the number and impact of EPA Superfund pollution sites in the county, including spending on the cleanup efforts. The UV Index in Rockville = 4.1 and is a measure of an area's exposure to the sun's ultraviolet rays. This is most often a combination of sunny weather, altitude, and latitude. The UV Index has been defined by the WHO ( and is uniform worldwide.


The most recent city population of 67,117 individuals with a median age of 40.7 age the population grows by 26.92% in Rockville, Montgomery County, Maryland population since 2000 and are distributed over a density of 4,933.62 residents per square mile of area (1,904.92/km²). There are average 2.64 people per household in the 22,102 households with an average household income of $89,751 a year. The unemployment rate in Alabama is 5.60% of the available work force and has dropped -2.42% over the most recent 12-month period and the projected change in job supply over the next decade based on migration patterns, economic growth, and other factors will increase by 29.56%. The number of physicians in Rockville per 100,000 population = 563.6.


The annual rainfall in Rockville = 40.4 inches and the annual snowfall = 19 inches. The annual number of days with measurable precipitation (over .01 inch) = 108. The average number of days per year that are predominantly sunny = 203. 87 degrees Fahrenheit is the average daily high temperature for the month of July and 25 degrees Fahrenheit is the average daily low temperature for the month of January. The Comfort Index (higher=better) is 43, where higher values mean a more pleasant climate. The Comfort Index measure recognizes that humidity by itself isn't the problem. (Have you noticed nobody ever complains about the weather being 'cold and humid?) It's in the summertime that we notice the humidity the most, when it's hot and muggy. Our Comfort Index uses a combination of afternoon summer temperature and humidity to closely predict the effect that the humidity will have on people.

Median Home Cost

The percentage of housing units in Rockville, Montgomery County, Maryland which are owned by the occupant = 65.53%. A housing unit is a house, apartment, mobile home, or room occupied as separate living quarters. The average age of homes = 34 years with median home cost = $356,900 and home appreciation of -12.48%. This is the value of the years most recent home sales data. Its important to note that this is not the average (or arithmetic mean). The median home price is the middle value when you arrange all the sales prices of homes from lowest to highest. This is a better indicator than the average, because the median is not changed as much by a few unusually high or low values. The property tax rate of $12.02 shown here is the rate per $1,000 of home value. If for simplification for example the tax rate is $14.00 and the home value is $250,000, the property tax would be $14.00 x ($250,000/1000), or $3500. This is the 'effective' tax rate.


The local school district spends $8,183 per student. There are 14.9 students for each teacher in the school, 340 students for each Librarian and 308 students for each Counselor. 4.05% of the area’s population over the age of 25 with an Associate Degree or other 2-year college degree, 24.78% with a master’s degree, Ph.D. or other advanced college degree and 29.20% with high school diplomas or high school equivalency degrees (GEDs).

  • Rockville's population in Montgomery County, Maryland of 1,110 residents in 1900 has increased 60,47-fold to 67,117 residents after 120 years, according to the official 2020 census.

    Approximately 51.22% female residents and 48.78% male residents live in Rockville, Montgomery County, Maryland.

    As of 2020 in Rockville, Montgomery County, Maryland are married and the remaining 39.94% are single population.

  • 33.5 minutes is the average time that residents in Rockville require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61­–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.

    67.51% of the working population which commute to work alone in their car, 10.71% of the working population which commutes to work in a carpool, 13.56% of the population that commutes using mass transit, including bus, light rail, subway, and ferry. 4.95% of the population that has their home as their principal place of work.

  • Of the total residential buildings in Rockville, Montgomery County, Maryland, 65.53% are owner-occupied homes, another 30.33% are rented apartments, and the remaining 4.14% are vacant.

  • The 51.23% of the population in Rockville, Montgomery County, Maryland who identify themselves as belonging to a religion are distributed among the following most diverse religions.

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