Rockville, Maryland Population 2021

68,181
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Rockville is a city located in Montgomery County Maryland. It is also the county seat of Montgomery County. With a 2020 population of 68,181, it is the 3rd largest city in Maryland (after Baltimore and Frederick) and the 546th largest city in the United States . Rockville is currently growing at a rate of 0.07% annually and its population has increased by 11.39% since the most recent census, which recorded a population of 61,209 in 2010. Rockville reached it's highest population of 68,181 in 2021. Spanning over 14 miles, Rockville has a population density of 5,016 people per square mile.

The average household income in Rockville is $134,194 with a poverty rate of 6.32%. The median rental costs in recent years comes to $1,921 per month, and the median house value is $540,000. The median age in Rockville is 38.7 years, 37.4 years for males, and 40 years for females.

Rockville Demographics

According to the most recent ACS, the racial composition of Rockville was:

  • White: 56.34%
  • Asian: 21.11%
  • Black or African American: 10.89%
  • Other race: 6.11%
  • Two or more races: 5.32%
  • Native American: 0.22%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Rockville, Maryland is 68,181 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 68,028.The last official US Census in 2010 recorded the population at 61,209.

Rockville, Maryland Population 2021

Population by Race

Race Population Percentage
White38,05656.34%
Asian14,25621.11%
Black or African American7,35710.89%
Some Other Race4,1306.11%
Two or More Races3,5935.32%
American Indian and Alaska Native1500.22%
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Rockville Population by Race

Rockville Population Pyramid $2021

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Rockville Median Age

38.7


Total

37.4


Male

40


Female

Rockville Adults

There are 53,303 adults, (10,806 of whom are seniors) in Rockville.

Rockville Age Dependency

58.9

Age Dependency Ratio

25.4

Old Age Dependency Ratio

33.5

Child Dependency Ratio

Rockville Sex Ratio

Female

35,535

52.61%

Male

32,007

47.39%

Rockville Population by Age

Rockville Renter vs Owner Occupied by Household Type

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Rockville Household Types

Type Owner Renter
Married69.5%30.5%
All55.4%44.6%
Female49.2%50.8%
Non Family38.8%61.2%
Male37.9%62.1%

55.4%

Rate of Home Ownership

Rockville Households and Families

Type Count Average Size Owned
All25,5622.6155.4
Married12,9403.369.5
Non Family8,8561.3138.8
Female2,8643.1749.2
Male9023.7337.9

3.2

Average Family Size

2.61

Average Household Size

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Rockville Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,7303.63%
9th to 12th Grade1,6323.43%
High School Graduate5,10210.72%
Some College6,33813.31%
Associates Degree1,9094.01%
Bachelors Degree13,25227.83%
Graduate Degree17,64837.07%
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Rockville Educational Attainment by Sex (over 25)

Rockville Educational Attainment by Race

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Race Total High School Bachelors
White24,84624,21818,302
Asian10,4639,7207,632
Hispanic5,8154,3451,600
Black4,7504,3522,056
Other Race2,3261,538399
2+ Races1,6581,5231,103
Native American996449

The highest rate of high school graduation is among white people with a rate of 97.47%.

The highest rate of bachelors degrees is among white people with a rate of 73.66%.

Rockville Educational Attainment by Race

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Name Average Male Female
Overall$63,744$76,299$52,654
Less Than 9th Grade$26,810$31,115$21,356
High School Graduate$27,401$30,611$22,969
Some College$37,232$45,625$30,883
Bachelors Degree$70,405$86,702$54,521
Graduate Degree$94,395$106,964$85,095

$63,744

Average Earnings

$76,299

Average Male

$52,654

Average Female

Rockville Earnings by Educational Attainment

Rockville Language by Age

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Rockville Language

54.66% of Rockville residents speak only English, while 45.34% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 15.41% of the population.

Rockville Language

Rockville Poverty by Race

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Name Total In Poverty Poverty Rate
White31,9341,2273.84%
Hispanic9,8291,05910.77%
Asian14,2341,0127.11%
Other4,06778419.28%
Black7,2196929.59%
Multiple3,5931634.54%
Native1501812.00%

6.32%

Overall Poverty Rate

4.68%

Male Poverty Rate

7.82%

Female Poverty Rate

Poverty in Rockville

The race most likely to be in poverty in Rockville is Other, with 19.28% below the poverty level.

The race least likely to be in poverty in Rockville is White, with 3.84% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.25%. Among those working part-time, it was 9.60%, and for those that did not work, the poverty rate was 14.81%.

Rockville Poverty

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Name Poverty
Less Than 9th Grade22.24%
High School8.93%
Some College8.10%
Bachelors or Greater3.10%

Rockville Poverty Rate by Education

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Rate Poverty
Male Unemployed12.39%
Female Unemployed9.66%
Female Employed4.28%
Male Employed2.03%

Rockville Poverty Rate by Employment Status and Sex

Rockville Income by Household Type

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Name Median Mean
Households$106,576$134,194
Families$129,583$156,835
Married Families$151,667$176,954
Non Families$71,452$86,932
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Income by Household Type

Rockville Marital Status

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Marriage Rates

52.0%

Overall Marriage Rate

55.5%

Male Marriage Rate

48.9%

Female Marriage Rate

Rockville Married by Age and Sex

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Rockville Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Rockville Marital Status by Race

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Rockville Marital Status

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2,369

Number of Veterans

2,078

Male Veterans

291

Female Veterans

War Veterans
Vietnam694
Second Gulf War649
First Gulf War470
Korea213
World War II109

Rockville Veterans by War

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Age Group Veterans
75+730
65 to 74542
35 to 54499
55 to 64343
18 to 34255

Rockville Veterans by Age

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Name Veterans % of Total
White1,8395.95%
Black2434.30%
Hispanic1612.31%
Asian1391.22%
2+ Races955.00%
Other Race531.86%

Rockville Veterans by Race

Rockville Veterans by Education

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4.61%

Veteran Poverty Rate

17.92%

Veteran Disability Rate

Rockville Veterans by Education

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70.6%

Labor Force Participation

66.6%

Employment Rate

4.4%

Unemployment Rate

Rockville Employment by Age

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Rockville Employment by Race

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Rockville Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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22.25%

Born in Rockville

65.90%

Native Born

34.10%

Foreign Born

17.50%

Non Citizen

16.60%

Naturalized

Place of Birth

65.90% of Rockville residents were born in the United States, with 22.25% having been born in Maryland. 17.50% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Rockville Place of Birth

Year Population Growth Annual Growth Rate
202168,181510.07%
202068,130510.07%
201968,079510.07%
201868,0281980.29%
201767,8309071.36%
201666,9231900.28%
201566,7331,2881.97%
201465,4451,6202.54%
201363,8255390.85%
201263,2861,2311.98%
201162,0555710.93%
201061,48414,0962.64%
200047,3882,5530.56%
199044,8351,0240.23%
198043,8111,0720.25%
197042,73916,6495.06%
196026,09019,15614.17%
19506,9344,93413.24%
19402,0009001.51%
19001,1000.00%

Rockville Population by Year