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Data Last Updated: May 1, 2022
MONTGOMERY County, MD ZIP Codes
MONTGOMERY County, MD Covers 77 ZIP Codes
ZIP Code | Classification | City | Population | Timezone | Area Code(s) | ZIP Code 20810 | Unique | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20811 | Unique | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20812 | General | Glen Echo | 255 | Eastern | 240/301 | ZIP Code 20813 | P.O. Box | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20814 | General | Bethesda | 27,642 | Eastern | 301/240 | ZIP Code 20815 | General | Chevy Chase | 29,082 | Eastern | 301/240 | ZIP Code 20816 | General | Bethesda | 16,208 | Eastern | 240/301 | ZIP Code 20817 | General | Bethesda | 36,240 | Eastern | 301/240 | ZIP Code 20818 | General | Cabin John | 1,962 | Eastern | 240/301 | ZIP Code 20824 | P.O. Box | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20825 | P.O. Box | Chevy Chase | 0 | Eastern | 301/240 | ZIP Code 20827 | P.O. Box | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20830 | P.O. Box | Olney | 0 | Eastern | 240/301 | ZIP Code 20832 | General | Olney | 24,965 | Eastern | 240/301 | ZIP Code 20833 | General | Brookeville | 7,735 | Eastern | 240/301 | ZIP Code 20837 | General | Poolesville | 5,789 | Eastern | 240/301 | ZIP Code 20838 | General | Barnesville | 259 | Eastern | 240/301 | ZIP Code 20839 | General | Beallsville | 214 | Eastern | 240/301 | ZIP Code 20841 | General | Boyds | 10,460 | Eastern | 240/301 | ZIP Code 20842 | General | Dickerson | 1,824 | Eastern | 240/301 | ZIP Code 20847 | P.O. Box | Rockville | 0 | Eastern | 301/240 | ZIP Code 20848 | P.O. Box | Rockville | 0 | Eastern | 301/240 | ZIP Code 20849 | P.O. Box | Rockville | 0 | Eastern | 301/240 | ZIP Code 20850 | General | Rockville | 46,340 | Eastern | 240/301 | ZIP Code 20851 | General | Rockville | 14,191 | Eastern | 301/240 | ZIP Code 20852 | General | Rockville | 40,365 | Eastern | 301/240 | ZIP Code 20853 | General | Rockville | 29,673 | Eastern | 301/240 | ZIP Code 20854 | General | Potomac | 49,611 | Eastern | 301 | ZIP Code 20855 | General | Derwood | 14,295 | Eastern | 240/301 | ZIP Code 20857 | Unique | Rockville | 0 | Eastern | 301/240 | ZIP Code 20859 | P.O. Box | Potomac | 0 | Eastern | 301 | ZIP Code 20860 | General | Sandy Spring | 2,396 | Eastern | 240/301 | ZIP Code 20861 | General | Ashton | 1,875 | Eastern | 240/301 | ZIP Code 20862 | General | Brinklow | 343 | Eastern | 240/301 | ZIP Code 20866 | General | Burtonsville | 13,344 | Eastern | 301 | ZIP Code 20868 | General | Spencerville | 790 | Eastern | 301 | ZIP Code 20871 | General | Clarksburg | 13,130 | Eastern | 240/301 | ZIP Code 20872 | General | Damascus | 13,104 | Eastern | 240/301 | ZIP Code 20874 | General | Germantown | 57,367 | Eastern | 301/240 | ZIP Code 20875 | P.O. Box | Germantown | 0 | Eastern | 301/240 | ZIP Code 20876 | General | Germantown | 25,496 | Eastern | 301/240 | ZIP Code 20877 | General | Gaithersburg | 34,321 | Eastern | 301/240 | ZIP Code 20878 | General | Gaithersburg | 62,446 | Eastern | 301/240 | ZIP Code 20879 | General | Gaithersburg | 24,360 | Eastern | 301/240 | ZIP Code 20880 | P.O. Box | Washington Grove | 450 | Eastern | 301/240 | ZIP Code 20882 | General | Gaithersburg | 14,063 | Eastern | 301/240 | ZIP Code 20883 | P.O. Box | Gaithersburg | 0 | Eastern | 301/240 | ZIP Code 20884 | P.O. Box | Gaithersburg | 0 | Eastern | 301/240 | ZIP Code 20885 | P.O. Box | Gaithersburg | 0 | Eastern | 301/240 | ZIP Code 20886 | General | Montgomery Village | 33,282 | Eastern | 301/240 | ZIP Code 20889 | Unique | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20891 | P.O. Box | Kensington | 0 | Eastern | 301/240 | ZIP Code 20892 | Unique | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20894 | Unique | Bethesda | 0 | Eastern | 301/240 | ZIP Code 20895 | General | Kensington | 19,054 | Eastern | 301/240 | ZIP Code 20896 | P.O. Box | Garrett Park | 906 | Eastern | 301/240 | ZIP Code 20897 | Unique | Suburb Maryland Fac | 0 | Eastern | 301/240 | ZIP Code 20898 | P.O. Box | Gaithersburg | 0 | Eastern | 301/240 | ZIP Code 20899 | Unique | Gaithersburg | 142 | Eastern | 301/240 | ZIP Code 20901 | General | Silver Spring | 34,832 | Eastern | 301/240 | ZIP Code 20902 | General | Silver Spring | 48,841 | Eastern | 301/240 | ZIP Code 20903 | General | Silver Spring | 23,625 | Eastern | 301 | ZIP Code 20904 | General | Silver Spring | 54,612 | Eastern | 301 | ZIP Code 20905 | General | Silver Spring | 18,044 | Eastern | 301 | ZIP Code 20906 | General | Silver Spring | 64,696 | Eastern | 301/240 | ZIP Code 20907 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20908 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20910 | General | Silver Spring | 37,445 | Eastern | 301/240 | ZIP Code 20911 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20912 | General | Takoma Park | 24,807 | Eastern | 301/240 | ZIP Code 20913 | P.O. Box | Takoma Park | 0 | Eastern | 301/240 | ZIP Code 20914 | P.O. Box | Silver Spring | 0 | Eastern | 301 | ZIP Code 20915 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20916 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20918 | P.O. Box | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20993 | Unique | Silver Spring | 0 | Eastern | 301/240 | ZIP Code 20997 | Unique | Silver Spring | 0 | Eastern | 301/240 |
Timezone(s): | Eastern |
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Population: | 971,777 (More Details) |
Male Population: | 466,402 |
Female Population: | 505,375 |
Median Age: | 39 |
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ZIP Codes: | 77 |
Cities: | 30 |
Counties: | 1 |
Area Codes: | 0 |
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Total Area: | 507 square miles (county) |
Land Area: | 493 square miles (county) |
Water Area: | 14 square miles (county) |
MONTGOMERY, MD Demographic Information
* Demographic data is based on 2010 Census.
Total population of MONTGOMERY County, MD | 971,777 | Male population of MONTGOMERY County, MD | 466,402 | Female population of MONTGOMERY County, MD | 505,375 | Median age (years) | 38.5 | White Population | 558,358 | Black Population | 167,315 | Indian Population | 3,639 | Asian Population | 135,451 | Hawaiian Population | 522 | Hispanic Population | 165,398 | Median age (Male) | 37 | Median age (Female) | 39.9 | Total households | 357,086 | Family households (families) | 244,898 | Average household size for MONTGOMERY County, MD | 2.7 | Average family size of MONTGOMERY County, MD | 3.22 | Total housing units for MONTGOMERY County, MD | 375,905 |
MONTGOMERY County, MD Covers 30 Cities
- Ashton, MD
- Barnesville, MD
- Beallsville, MD
- Bethesda, MD
- Boyds, MD
- Brinklow, MD
- Brookeville, MD
- Burtonsville, MD
- Cabin John, MD
- Chevy Chase, MD
- Clarksburg, MD
| - Damascus, MD
- Derwood, MD
- Dickerson, MD
- Gaithersburg, MD
- Garrett Park, MD
- Germantown, MD
- Glen Echo, MD
- Kensington, MD
- Montgomery Village, MD
- Olney, MD
- Poolesville, MD
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