Montgomery County, MD ZIP Codes
48 ZIP codes cover all or part of Montgomery County, Maryland. The Census Bureau counts 1,065,949 residents in the county, with a median household income of $132,450 and a median home value of $640,300. Median household income ranges from $80,768 in 20903 to $250,000+ in 20854. Its largest communities include Germantown, Silver Spring, Gaithersburg, Bethesda and Rockville.
Montgomery County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 1,065,949 |
| Households | 389,210 |
| Median household income | $132,450 |
| Median home value | $640,300 |
| Median age | 40.2 |
| Median rent | $2,068 |
All 48 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,076,754 |
| Households (sum of ZIP codes) | 393,007 |
| Median household income, range across ZIP codes | $80,768 (20903) to $250,000+ (20854) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $139,406 |
| Homeowners | 64.9% |
| Households with kids under 18 | 33.4% |
| Moved in the past year | 11.9% |
| Carrier routes in EDDM2GO's route library | 843 routes, 419,690 homes (42 of 48 ZIP codes) |
Top facts
- Highest median household income in Montgomery County: 20854 ($250,000+)
- Most residents: 20906 (70,595 people)
- Highest homeownership: 20861 (98.5% own their home)
- Most households with kids: 20871 (51.4% of households)
- Most new movers: 20910 (19.5% moved in last year)
- Youngest median age: 20903 (34.3 years)
- Highest median home value: 20818 ($1,335,100)
Every ZIP code in Montgomery County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20906 | Silver Spring | 70,595 | 25,958 | $97,521 | $455,800 | 66.4% | 31.8% | 11.4% | 50 | 27,638 | 100% of its land |
| 20878 | Gaithersburg | 66,115 | 24,237 | $144,313 | $715,800 | 69.2% | 34.3% | 11.4% | 51 | 27,026 | 100% of its land |
| 20874 | Germantown | 62,738 | 22,662 | $115,022 | $399,000 | 66.4% | 35.5% | 11.5% | 32 | 25,142 | 100% of its land |
| 20904 | Silver Spring | 58,646 | 21,212 | $96,025 | $560,000 | 48.9% | 32.2% | 13.1% | 38 | 22,652 | 98% of its land |
| 20902 | Silver Spring | 54,261 | 18,236 | $114,486 | $551,200 | 64.4% | 38.0% | 11.2% | 39 | 19,338 | 100% of its land |
| 20854 | Potomac | 50,498 | 16,751 | $250,000+ | $1,165,400 | 89.4% | 38.7% | 8.1% | 52 | 18,224 | 100% of its land |
| 20850 | Rockville | 50,353 | 21,159 | $125,950 | $714,400 | 50.3% | 25.8% | 18.0% | 46 | 25,821 | 100% of its land |
| 20852 | Rockville | 48,180 | 21,743 | $122,472 | $665,200 | 43.4% | 23.1% | 19.3% | 49 | 27,600 | 100% of its land |
| 20910 | Silver Spring | 45,943 | 22,123 | $112,134 | $730,900 | 35.5% | 21.1% | 19.5% | 43 | 26,178 | 100% of its land |
| 20877 | Gaithersburg | 38,546 | 12,519 | $92,800 | $474,800 | 43.1% | 35.9% | 15.6% | 26 | 15,151 | 100% of its land |
| 20817 | Bethesda | 37,454 | 13,660 | $249,332 | $1,183,600 | 81.4% | 37.1% | 13.2% | 38 | 15,639 | 100% of its land |
| 20901 | Silver Spring | 36,435 | 13,114 | $131,386 | $589,800 | 68.1% | 35.0% | 12.0% | 33 | 13,419 | 100% of its land |
| 20886 | Montgomery Village | 34,718 | 12,441 | $98,542 | $386,500 | 68.9% | 35.2% | 9.4% | 20 | 13,102 | 100% of its land |
| 20814 | Bethesda | 32,795 | 14,904 | $150,996 | $989,600 | 50.8% | 23.8% | 17.1% | 31 | 20,990 | 100% of its land |
| 20853 | Rockville | 31,851 | 9,692 | $159,080 | $631,900 | 86.0% | 39.3% | 5.4% | 29 | 10,029 | 100% of its land |
| 20815 | Chevy Chase | 30,505 | 12,937 | $194,971 | $1,294,200 | 66.3% | 27.6% | 13.6% | 37 | 15,669 | 100% of its land |
| 20871 | Clarksburg | 30,182 | 9,347 | $177,523 | $668,800 | 90.6% | 51.4% | 6.0% | 13 | 10,649 | 94% of its land |
| 20876 | Germantown | 26,406 | 8,783 | $119,731 | $487,300 | 67.4% | 33.4% | 11.3% | 13 | 9,205 | 100% of its land |
| 20912 | Takoma Park | 25,749 | 9,884 | $83,870 | $699,300 | 44.9% | 37.0% | 12.2% | 20 | 10,154 | 90% of its land |
| 20832 | Olney | 25,553 | 8,411 | $168,524 | $627,000 | 86.9% | 41.7% | 8.5% | 16 | 9,441 | 100% of its land |
| 20879 | Gaithersburg | 25,264 | 8,651 | $112,104 | $468,100 | 69.8% | 30.7% | 9.3% | 18 | 10,323 | 100% of its land |
| 20903 | Silver Spring | 24,815 | 7,205 | $80,768 | $485,700 | 41.2% | 48.7% | 10.6% | 14 | 7,295 | 95% of its land |
| 20895 | Kensington | 19,184 | 6,991 | $173,625 | $781,500 | 78.7% | 37.9% | 9.8% | 19 | 8,113 | 100% of its land |
| 20905 | Silver Spring | 19,004 | 5,899 | $159,740 | $656,700 | 87.1% | 36.7% | 4.7% | 12 | 5,872 | 100% of its land |
| 20816 | Bethesda | 18,140 | 6,400 | $232,656 | $1,217,200 | 82.7% | 41.4% | 14.5% | 20 | 6,895 | 100% of its land |
| 20855 | Derwood | 17,279 | 6,437 | $149,110 | $640,300 | 74.4% | 30.6% | 12.1% | 13 | 7,456 | 100% of its land |
| 20866 | Burtonsville | 15,986 | 5,033 | $140,308 | $446,900 | 77.8% | 38.8% | 6.5% | 8 | 5,265 | 100% of its land |
| 20851 | Rockville | 14,946 | 5,155 | $126,411 | $568,900 | 57.5% | 32.8% | 11.2% | 13 | 5,170 | 100% of its land |
| 20872 | Damascus | 13,983 | 4,659 | $141,050 | $504,300 | 88.9% | 34.9% | 9.0% | 9 | 5,133 | 100% of its land |
| 20882 | Gaithersburg | 13,751 | 4,693 | $184,136 | $737,400 | 96.3% | 33.2% | 6.2% | 11 | 4,814 | 100% of its land |
| 20841 | Boyds | 9,969 | 2,919 | $184,688 | $782,500 | 91.1% | 41.9% | 8.5% | 5 | 3,248 | 100% of its land |
| 20833 | Brookeville | 7,860 | 2,568 | $204,375 | $797,100 | 94.8% | 38.6% | 5.5% | 5 | 2,712 | 90% of its land |
| 20837 | Poolesville | 6,699 | 2,366 | $174,063 | $772,300 | 91.9% | 37.8% | 11.8% | 4 | 2,437 | 100% of its land |
| 20861 | Ashton | 2,890 | 917 | $163,438 | $852,700 | 98.5% | 32.8% | 0.0% | 4 | 1,083 | 100% of its land |
| 20842 | Dickerson | 2,369 | 802 | $204,013 | $745,800 | 82.4% | 34.2% | 10.5% | 2 | 780 | 77% of its land |
| 20860 | Sandy Spring | 2,035 | 735 | — | $654,200 | 87.2% | 28.6% | 8.8% | 3 | 930 | 100% of its land |
| 20818 | Cabin John | 1,539 | 593 | $245,982 | $1,335,100 | 95.3% | 31.9% | 5.0% | 2 | 733 | 100% of its land |
| 20896 | Garrett Park | 932 | 324 | $250,000+ | $1,005,700 | 96.6% | 35.5% | 3.5% | — | — | 100% of its land |
| 20889 | Bethesda | 584 | 21 | — | — | 0.0% | 0.0% | 36.5% | — | — | 100% of its land |
| 20880 | Washington Grove | 577 | 289 | $134,583 | $612,700 | 99.7% | 12.8% | 5.6% | — | — | 100% of its land |
| 20862 | Brinklow | 430 | 184 | $189,667 | $810,600 | 100.0% | 10.9% | 3.5% | 1 | 145 | 100% of its land |
| 20838 | Barnesville | 306 | 91 | $250,000+ | $775,700 | 97.8% | 42.9% | 9.8% | 1 | 61 | 100% of its land |
| 20812 | Glen Echo | 276 | 99 | $213,750 | $1,163,500 | 99.0% | 35.4% | 5.5% | 1 | 123 | 100% of its land |
| 20868 | Spencerville | 198 | 70 | $143,333 | $622,200 | 100.0% | 41.4% | 0.0% | 1 | 220 | 100% of its land |
| 20839 | Beallsville | 158 | 76 | $160,329 | $950,000 | 50.0% | 23.7% | 0.0% | 1 | 85 | 100% of its land |
| 20899 | Gaithersburg | 57 | 57 | $24,417 | — | 0.0% | 0.0% | 17.5% | — | — | 100% of its land |
| 20892 | Bethesda | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
| 20894 | Bethesda | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
A ZIP code is listed for Montgomery County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Germantown — 90,719 residents · 2 ZIP codes
- Silver Spring — 81,462 residents · 8 ZIP codes
- Gaithersburg — 69,825 residents · 5 ZIP codes
- Bethesda — 69,397 residents · 7 ZIP codes
- Rockville — 67,671 residents · 4 ZIP codes
- Aspen Hill — 53,279 residents · 2 ZIP codes
- Wheaton — 52,926 residents · 2 ZIP codes
- North Bethesda — 49,677 residents · 6 ZIP codes
- Potomac — 45,902 residents · 2 ZIP codes
- Olney — 35,797 residents · 5 ZIP codes
- Chillum — 34,871 residents · 2 ZIP codes
- Montgomery Village — 34,110 residents · 1 ZIP code
- Clarksburg — 30,487 residents · 3 ZIP codes
- Fairland — 26,231 residents · 3 ZIP codes
- North Potomac — 23,922 residents · 2 ZIP codes
- Langley Park — 21,508 residents · 2 ZIP codes
- Beltsville — 19,176 residents · 2 ZIP codes
- Redland — 18,665 residents · 2 ZIP codes
- Damascus — 17,640 residents · 2 ZIP codes
- Takoma Park — 17,632 residents · 1 ZIP code
- Calverton — 17,624 residents · 2 ZIP codes
- Adelphi — 17,395 residents · 1 ZIP code
- White Oak — 17,329 residents · 3 ZIP codes
- Glenmont — 17,208 residents · 2 ZIP codes
- Cloverly — 16,646 residents · 2 ZIP codes
- Colesville — 14,519 residents · 1 ZIP code
- Flower Hill — 13,794 residents · 1 ZIP code
- Green Valley — 13,602 residents · 3 ZIP codes
- Kemp Mill — 13,042 residents · 2 ZIP codes
- Travilah — 11,721 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in Montgomery County — 36 ZIP codes ranked
- ZIP codes with the highest home values in Montgomery County — 37 ZIP codes ranked
- ZIP codes with the highest homeownership in Montgomery County — 37 ZIP codes ranked
- ZIP codes with the most families with kids in Montgomery County — 37 ZIP codes ranked
- ZIP codes with the most new movers in Montgomery County — 37 ZIP codes ranked
- Youngest ZIP codes in Montgomery County — 37 ZIP codes ranked
- Oldest ZIP codes in Montgomery County — 37 ZIP codes ranked
- Fastest-growing ZIP codes in Montgomery County — 37 ZIP codes ranked
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Frequently asked questions
- What ZIP codes are in Montgomery County, MD?
- 20906, 20878, 20874, 20904, 20902, 20854, 20850, 20852, 20910, 20877, 20817, 20901, 20886, 20814, 20853, 20815, 20871, 20876, 20912, 20832, 20879, 20903, 20895, 20905, 20816, 20855, 20866, 20851, 20872, 20882, 20841, 20833, 20837, 20861, 20842, 20860, 20818, 20896, 20889 and 20880 and 8 more. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Montgomery County?
- 1,065,949 residents in 389,210 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Montgomery County?
- $132,450 for the county as a whole. Its ZIP codes range from $80,768 (20903) to $250,000+ (20854).
- Which Montgomery County ZIP code has the highest median household income?
- 20854, at $250,000+, among ZIP codes with at least 1,000 residents. See the full ranking of Montgomery County ZIP codes by income.
- How many carrier routes and mailboxes are in Montgomery County?
- For the 42 of 48 ZIP codes in EDDM2GO's stored route library: 843 carrier routes reaching 419,690 residential and 22,348 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.