Rockville, MD Profile: Facts, Map & Data


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Rockville, Maryland - Basic Facts

The City of Rockville is the 10th largest city in Maryland with a population of 64,806 as of July 1, 2016. Rockville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Maryland. See peer rankings below.

The primary coordinate point for Rockville is located at latitude 39.0837 and longitude -77.1556 in Montgomery County. The formal boundaries for the City of Rockville (see map below) encompass a land area of 13.56 sq. miles and a water area of 0.06 sq. miles. Montgomery County is in the Eastern time zone (GMT -5). The elevation is 456 feet.

The City of Rockville (GNIS ID: 2390645) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Rockville is located within District 4, a minor civil division (MCD) of Montgomery County.

Beneath the boundary map are tables with Rockville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Rockville: Hungerfords, Hungerfords Tavern, Hungerford's Tavern, Montgomery Court House, Montgomery Courthouse, Owen's Ordinary, Williamsburg, Williamsburgh.

Neighborhood Data

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City of Rockville, MD Boundary Map

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Boundary Maps: District 4 | Montgomery County | Maryland Counties / Independent Cities

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Rockville, MD Data & Demographics (As of July 1, 2016)


Total Population 64,806
Population in Households 63,794
Population in Familes 50,537
Population in Group Qrtrs 1,012
Population Density1 4,780
Diversity Index2 74


Total Households 24,759
Average Household Size 2.58
Family Households 16,131
Average Family Size 3


Total Housing Units 26,078 (100%)
Owner Occupied HU 13,998 (53.7%)
Renter Occupied HU 10,762 (41.3%)
Vacant Housing Units 1,319 ( 5.1%)
Median Home Value $501,579
Average Home Value $537,404


Median Household Income $100,140
Average Household Income $129,747
Per Capita Income $50,385
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.89% 1.02%
Households 0.69% 0.89%
Families 0.59% 0.82%
Median Household Income   1.78%
Per Capita Income   1.6%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Rockville, MD - Peer Comparisons by Rank and Percentile

The table below compares Rockville to the other 518 incorporated cities, towns and CDPs in Maryland by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 10 98th
Population Density1 # 62 88th
Diversity Index2 # 47 91st
Median Household Income # 105 80th
Per Capita Income # 51 90th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.

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