Washington County, MD ZIP Codes
19 ZIP codes cover all or part of Washington County, Maryland. The Census Bureau counts 155,709 residents in the county, with a median household income of $77,747 and a median home value of $296,100. Median household income ranges from $57,940 in 21767 to $111,528 in 21758. Its largest communities include Hagerstown, Halfway, Robinwood, Fountainhead-Orchard Hills and St. James.
Washington County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 155,709 |
| Households | 59,818 |
| Median household income | $77,747 |
| Median home value | $296,100 |
| Median age | 40.7 |
| Median rent | $1,147 |
All 19 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 159,858 |
| Households (sum of ZIP codes) | 61,236 |
| Median household income, range across ZIP codes | $57,940 (21767) to $111,528 (21758) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $78,250 |
| Homeowners | 67.3% |
| Households with kids under 18 | 30.2% |
| Moved in the past year | 11.6% |
| Carrier routes in EDDM2GO's route library | 115 routes, 62,549 homes (15 of 19 ZIP codes) |
Top facts
- Highest median household income in Washington County: 21758 ($111,528)
- Most residents: 21740 (64,792 people)
- Highest homeownership: 21756 (97.7% own their home)
- Most households with kids: 21756 (41.5% of households)
- Most new movers: 21746 (20.2% moved in last year)
- Youngest median age: 21740 (37.9 years)
- Highest median home value: 21779 ($608,800)
Every ZIP code in Washington County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21740 | Hagerstown | 64,792 | 25,276 | $62,873 | $262,300 | 55.3% | 30.2% | 14.4% | 45 | 29,238 | 100% of its land |
| 21742 | Hagerstown | 34,069 | 13,231 | $86,288 | $304,800 | 69.0% | 31.0% | 10.8% | 25 | 15,131 | 100% of its land |
| 21795 | Williamsport | 10,144 | 3,935 | $87,864 | $295,800 | 68.0% | 28.8% | 7.2% | 7 | 4,387 | 100% of its land |
| 21783 | Smithsburg | 9,910 | 3,632 | $100,750 | $339,800 | 81.7% | 30.5% | 6.7% | 6 | 3,384 | 73% of its land |
| 21713 | Boonsboro | 9,846 | 3,899 | $96,199 | $369,200 | 83.6% | 28.7% | 11.2% | 7 | 4,020 | 100% of its land |
| 21722 | Clear Spring | 6,721 | 2,222 | $88,232 | $312,500 | 82.9% | 38.8% | 14.8% | 5 | 2,031 | 100% of its land |
| 21758 | Knoxville | 4,409 | 1,588 | $111,528 | $424,600 | 84.4% | 32.6% | 6.4% | 4 | 1,869 | 50% of its land |
| 21782 | Sharpsburg | 3,704 | 1,522 | $94,130 | $311,600 | 85.9% | 23.2% | 4.6% | 3 | 1,449 | 100% of its land |
| 21756 | Keedysville | 3,640 | 1,394 | $101,786 | $413,200 | 97.7% | 41.5% | 8.6% | 3 | 1,328 | 100% of its land |
| 21750 | Hancock | 3,417 | 1,628 | $60,625 | $232,500 | 73.9% | 20.0% | 10.2% | 5 | 1,845 | 100% of its land |
| 21746 | Hagerstown | 2,361 | 0 | — | — | — | — | 20.2% | — | — | 100% of its land |
| 21779 | Rohrersville | 1,311 | 462 | — | $608,800 | 66.2% | 32.5% | 1.8% | 1 | 433 | 100% of its land |
| 21733 | Fairplay | 1,275 | 471 | $109,896 | $291,800 | 82.6% | 29.5% | 16.0% | 1 | 462 | 100% of its land |
| 21719 | Cascade | 1,178 | 494 | $65,809 | $214,100 | 85.6% | 26.5% | 2.2% | 1 | 567 | 97% of its land |
| 21734 | Funkstown | 1,076 | 493 | $61,392 | $277,800 | 55.2% | 12.4% | 5.2% | — | — | 100% of its land |
| 21767 | Maugansville | 1,031 | 541 | $57,940 | $258,700 | 57.9% | 28.1% | 0.0% | 1 | 340 | 100% of its land |
| 21711 | Big Pool | 929 | 434 | $91,250 | $310,600 | 100.0% | 22.8% | 7.4% | — | — | 100% of its land |
| 21781 | St. James | 25 | 0 | — | — | — | — | 48.0% | — | — | 100% of its land |
| 21715 | Brownsville | 20 | 14 | — | — | 100.0% | 0.0% | 0.0% | 1 | 33 | 100% of its land |
A ZIP code is listed for Washington 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
- Hagerstown — 43,665 residents · 3 ZIP codes
- Halfway — 10,849 residents · 2 ZIP codes
- Robinwood — 8,042 residents · 1 ZIP code
- Fountainhead-Orchard Hills — 6,567 residents · 1 ZIP code
- St. James — 4,824 residents · 3 ZIP codes
- Boonsboro — 3,809 residents · 1 ZIP code
- Maugansville — 3,624 residents · 2 ZIP codes
- Smithsburg — 3,115 residents · 1 ZIP code
- Paramount-Long Meadow — 2,569 residents · 1 ZIP code
- Williamsport — 1,949 residents · 1 ZIP code
- Wilson-Conococheague — 1,663 residents · 2 ZIP codes
- Hancock — 1,625 residents · 1 ZIP code
- Keedysville — 1,183 residents · 1 ZIP code
- Highfield-Cascade — 1,089 residents · 1 ZIP code
- Funkstown — 1,076 residents · 2 ZIP codes
- Downsville — 958 residents · 1 ZIP code
- Cavetown — 858 residents · 1 ZIP code
- Mount Aetna — 637 residents · 2 ZIP codes
- Sharpsburg — 585 residents · 1 ZIP code
- Sabillasville — 556 residents · 1 ZIP code
- Fairplay — 511 residents · 2 ZIP codes
- Leitersburg — 498 residents · 1 ZIP code
- Beaver Creek — 439 residents · 2 ZIP codes
- Pinesburg — 409 residents · 1 ZIP code
- Mount Lena — 391 residents · 1 ZIP code
- Mapleville — 365 residents · 1 ZIP code
- Clear Spring — 342 residents · 1 ZIP code
- Chewsville — 314 residents · 1 ZIP code
- Greensburg — 314 residents · 1 ZIP code
- Bagtown — 310 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Washington County — 14 ZIP codes ranked
- ZIP codes with the highest home values in Washington County — 15 ZIP codes ranked
- ZIP codes with the highest homeownership in Washington County — 15 ZIP codes ranked
- ZIP codes with the most families with kids in Washington County — 15 ZIP codes ranked
- ZIP codes with the most new movers in Washington County — 16 ZIP codes ranked
- Youngest ZIP codes in Washington County — 16 ZIP codes ranked
- Oldest ZIP codes in Washington County — 16 ZIP codes ranked
- Fastest-growing ZIP codes in Washington County — 13 ZIP codes ranked
Price a mailing to Washington County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Washington County, MD?
- 21740, 21742, 21795, 21783, 21713, 21722, 21758, 21782, 21756, 21750, 21746, 21779, 21733, 21719, 21734, 21767, 21711, 21781 and 21715. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Washington County?
- 155,709 residents in 59,818 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Washington County?
- $77,747 for the county as a whole. Its ZIP codes range from $57,940 (21767) to $111,528 (21758).
- Which Washington County ZIP code has the highest median household income?
- 21758, at $111,528, among ZIP codes with at least 1,000 residents. See the full ranking of Washington County ZIP codes by income.
- How many carrier routes and mailboxes are in Washington County?
- For the 15 of 19 ZIP codes in EDDM2GO's stored route library: 115 carrier routes reaching 62,549 residential and 3,968 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.