Washington
Source:
Maryland
Washington is a mid-size county in Maryland with 17 ZIP codes, 146,692 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Washington, MD sits among US counties with an upper-quartile household income, on a mid-size county population base, across a multi-ZIP patchwork.
- Top 18%
- household income vs 3,210 US counties
- 146,692
- combined ZIP population
- 17
- USPS ZIP codes covered
- $83,217
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Washington lands in the national county income distribution as upper-quartile household income on mid-size county footing (FIPS 24043, 17 ZIPs, combined population 146,692). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 21740 (Hagerstown) with 61,859 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 24043, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
17
Total ZIPs
146,692
Total Population
ZIP Codes in Washington
Side-by-side: Compare 21740 vs 21742 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 21740 | Hagerstown | 61,859 | 342 |
| 21742 | Hagerstown | 31,444 | 241 |
| 21713 | Boonsboro | 9,502 | 87 |
| 21795 | Williamsport | 9,233 | 118 |
| 21783 | Smithsburg | 9,130 | 79 |
| 21722 | Clear Spring | 5,545 | 36 |
| 21782 | Sharpsburg | 4,097 | 53 |
| 21750 | Hancock | 3,766 | 24 |
| 21756 | Keedysville | 3,612 | 67 |
| 21746 | Hagerstown | 1,883 | 2,019 |
| 21719 | Cascade | 1,548 | 178 |
| 21733 | Fairplay | 1,163 | 74 |
| 21711 | Big Pool | 1,029 | 17 |
| 21767 | Maugansville | 991 | 1,344 |
| 21779 | Rohrersville | 983 | 42 |
| 21734 | Funkstown | 771 | 1,317 |
| 21781 | Saint James | 136 | 207 |
Frequently Asked Questions
What is the population of Washington?
Washington has a total population of 146,692 across 17 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Washington?
Washington includes 17 ZIP codes: 21740, 21742, 21713, 21795, 21783, 21722, 21782, 21750, 21756, 21746, and more.