Zip Code 20850 Map and Profile

Official Zip Code NameRockville
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Montgomery
Area Code227 / 240 / 301
Current Population:46340
Racial Majority:White 53.73%
Public School Racial Majority:White 40.5%
Unemployment Rate:5.0%
Median Household Income$101621
Average Adjusted Gross Income$128250
School Test Performance:Above Average
Average Commute Time31.7 Minutes
Time Zone:Eastern Daylight Time
Elevation Range374 - 472 ft.
Area14 Sqm.
Coordinates(Y,X)39.09011600, -77.18268900

Zip Code 20850 Description

Zip Code 20850 is located in the state of Maryland in the Washington D.C. metro area. Zip code 20850 is primarily located in Montgomery County. The official US Postal Service name for 20850 is ROCKVILLE, Maryland. Portions of zip code 20850 are contained within or border the city limits of Rockville, MD, Travilah, MD, North Potomac, MD, Gaithersburg, MD, Potomac, MD, and Aspen Hill, MD. Zip code 20850 is within area code 240 and area code 301. 20850 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 20850 is 5.0% which is higher than the current county unemployment level of 3.4% and is lower than the current state unemployment at 6.1% and lower than the current national unemployment rate at 6.0%.

According the 2010 US Census, the population of 20850 increased to 46340 from 33557 over the past 10 years. The majority ethnicity residing in 20850 is White while the majority ethnicity attending 20850 public schools is White. 15% of students in 20850 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 25100 53.73% 24476 +3%
 Black Or African American 4617 9.88% 4683 -1%
 Hispanic 4918 10.53% 4749 +4%
 American Indian Or Alaskan Native 70 0.15% 56 +25%
 Asian 10759 23.03% 10900 -1%
 Native Hawaiian & Other Pacific Islander 0 0% 16 -100%
 Other Race 160 0.12% 160 -64%
 Two Or More Races 1300 2.55% 1300 -8%

Zip Code 20850 Race/Ethnicity

 White 40.5%
 Black Or African American 11.4%
 Hispanic 13.3%
 Asian 29%
 Hawaii/Pacific Islander 0%
 American Indian Or Alaskan Native 0.2%
 Two or More Races 5.6%

Zip Code 20850 Public School Race/Ethnicity Profile

Total Population4634033557
Male Population47.40%
Female Population52.60%
Total Households18088
Test Score PerformanceAbove Average
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$101621
Income Under $50K Per Year20.00%
Income $50K to $100K Per Year29.10%
Income Above $100K Per Year51.00%
20850 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 8Jamie RaskinDemocrat
Maryland District 6David TroneDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$567737
Average Real Estate Sale Price$555891
Current Unemployment Level 5.0%
Previous Month Unemployment Level5.1%
Unemployment Level 1 Year Ago2.7%
2012 Hardiness ZoneZone 7a: 0F to 5F
1990 Hardiness ZoneZone 6b: -5F to 0F
Köppen Climate ClassificationCfa - Humid Subtropical Climate
Ecoregion 64c - Piedmont Uplands
Average First Frost DatesOctober 11 - 20
Average Last Frost DatesApril 21 - 31

Zip Code 20850 Annual Climate Data

Avg Min Temp (°F)24263342526065635745362844
Avg Max Temp (°F)40445465748286847766554564
Avg Precip (In.)3.282.813.813.254.323.753.883.74.133.383.433.2242.97
Core Based Statistical
Area (CBSA)
Washington-Arlington-Alexandria, DC-VA-MD-WV
CBSA Type20850
CBSA Population5500613
Time ZoneEastern Daylight Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours
Central Rockville
East Rockville
West Rockville