Williamsport, MD ZIP Codes
One ZIP code serves Williamsport, Maryland: 21795. Together they are home to 10,144 residents in 3,935 households. That is more than the 1,949 people counted inside Williamsport town limits, because these ZIP codes reach past its boundary.
Williamsport town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 1,949 |
| Households | 973 |
| Median household income | $61,607 |
| Median home value | $227,900 |
| Median age | 41.9 |
| Median rent | $1,262 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 10,144 |
| Households (sum of ZIP codes) | 3,935 |
| Median household income, range across ZIP codes | $87,864 (21795) to $87,864 (21795) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $87,864 |
| Homeowners | 68.0% |
| Households with kids under 18 | 28.8% |
| Moved in the past year | 7.2% |
| Carrier routes in EDDM2GO's route library | 7 routes, 4,115 homes (1 of 1 ZIP codes) |
Every ZIP code in Williamsport
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21795 | Williamsport | 10,144 | 3,935 | $87,864 | $295,800 | 68.0% | 28.8% | 7.2% | 7 | 4,387 | 3% of its land; mailing city |
A ZIP code is listed for Williamsport when at least 10% of its land lies inside Williamsport town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamsport. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Williamsport.
Counties
- Washington County — 19 ZIP codes
Nearby cities sharing these ZIP codes
- Halfway — 2 ZIP codes
Price a mailing to Williamsport ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Williamsport, MD?
- 21795. A ZIP code is listed for Williamsport when at least 10% of its land lies inside Williamsport town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Williamsport.
- What is the population of Williamsport, MD?
- The Census Bureau counts 1,949 residents inside Williamsport town limits (ACS 2020–2024). The 1 ZIP code that serve Williamsport hold 10,144 residents in all.
- What is the median household income in Williamsport, MD?
- $61,607 inside Williamsport town limits, per the Census Bureau. Across its ZIP codes the medians run from $87,864 to $87,864.
- How many carrier routes and mailboxes are in Williamsport, MD?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 7 carrier routes reaching 4,115 residential and 272 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.