Zip Code 20818 Map and Profile

Official Zip Code NameCabin John
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Montgomery
Area Code227 / 240 / 301
Current Population:1962
Racial Majority:White 86.86%
Unemployment Rate:4.7%
Median Household Income$139423
Average Adjusted Gross Income$232300
School Test Performance:Poor
Average Commute Time22.9 Minutes
Time Zone:Eastern Standard Time
Elevation Range0-0 Feet
Area1 Sqm.
Coordinates(Y,X)38.97530700, -77.16186100

Zip Code 20818 Description

Zip Code 20818 is located in the state of Maryland in the Washington D.C. metro area. Zip code 20818 is primarily located in Montgomery County. The official US Postal Service name for 20818 is CABIN JOHN, Maryland. Portions of zip code 20818 are contained within or border the city limits of Cabin John, MD, Potomac, MD, Bethesda, MD, and Brookmont, MD. Zip code 20818 is within area code 240 and area code 301. 20818 can be classified socioeconically as a Upper Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 20818 is 4.7% which is higher than the current county unemployment level of 3.4% and is lower than the current state unemployment at 5.1% and higher than the current national unemployment rate at 4.3%.

According the 2010 US Census, the population of 20818 decreased to 1962 from 1987 over the past 10 years. The majority ethnicity residing in 20818 is White while the majority ethnicity attending 20818 public schools is . % of students in 20818 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 1692 86.86% 1575 +7%
 Black Or African American 16 0.82% 72 -78%
 Hispanic 66 3.39% 83 -20%
 American Indian Or Alaskan Native 0 0% 5 -100%
 Asian 96 4.93% 160 -40%
 Native Hawaiian & Other Pacific Islander 0 0% 1 -100%
 Other Race 11 0% 11 -100%
 Two Or More Races 55 4% 55 +42%

Zip Code 20818 Race/Ethnicity

 White %
 Black Or African American %
 Hispanic %
 Asian %
 Hawaii/Pacific Islander %
 American Indian Or Alaskan Native %
 Two or More Races %

Zip Code 20818 Public School Race/Ethnicity Profile

Total Population19621987
Male Population48.00%
Female Population52.00%
Total Households766
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$139423
Income Under $50K Per Year14.30%
Income $50K to $100K Per Year20.30%
Income Above $100K Per Year65.40%
20818 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 8Jamie RaskinDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$829833
Average Real Estate Sale Price$869455
Current Unemployment Level 4.7%
Previous Month Unemployment Level4.9%
Unemployment Level 1 Year Ago6.6%
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 21 - 31
Average Last Frost DatesApril 11 - 20

Zip Code 20818 Annual Climate Data

Avg Min Temp (°F)24263342526166655845362845
Avg Max Temp (°F)43475667768488867968574766
Avg Precip (In.)3.352.873.923.364.353.744.13.914.243.463.433.2944.02
Core Based Statistical
Area (CBSA)
Washington-Arlington-Alexandria, DC-VA-MD-WV
CBSA Type20818
CBSA Population5500613
Time ZoneEastern Standard Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours