PlainZIP

Williamsport, MD

Single-footprint Census roll-up for Williamsport, MD: 1 USPS ZIP, population 9,233. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet WILLIAMSPORT-MD · Williamsport, MD 1 ZIPs · 9,233 pop · #6914/25278 · Washington County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $87,864
  • RANK-UPPER #6914/25278
  • PHOTO-FINISH ≈ Clear Spring
  • BOOK-ONE 1 ZIP
  • OWN-MID 68% owners
  • POP-TOWN 9,233
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $295,800

Nearest income peer: Clear Spring, MD (+ $368 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Williamsport

Lowest/highest poles plus county-sharing cities nearest Williamsport on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Williamsport, MD sits among US cities with an above-median household income, on a town-scale population base, across a single-ZIP footprint.

Top 27%
household income vs 25,278 US cities
9,233
city population (Census)
1
USPS ZIP codes covered
$87,864
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Above-median income on a short ZIP list (1) - lead code 21795 (9,233 residents). Household income $87,864 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (68.0%) - check the ZIP page's tenure split before treating Williamsport as a pure owner town.

Within Maryland, Cecilton is the closest lower-income city and Quantico the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Williamsport.

Population concentration

Williamsport's single ZIP 21795 carries the town

Williamsport is published as a single USPS ZIP. Code 21795 is the entire residential footprint (9,233 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Williamsport's one ZIP

Citywide ZBP: 248 establishments, 5,223 employees , annual payroll $305,053k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21795 (248 units) ; leading NAICS Other services (except public administration) (35) · also Transportation and warehousing · Wholesale trade .

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ZIP Codes in Williamsport, MD

These ZIP codes sit in Washington County, which covers 17 ZIP codes in all; 1 of them fall in Williamsport. See the Washington County roll-up →

Williamsport lands mid-pack among the 11 cities sharing Washington County: Boonsboro, Smithsburg and Sharpsburg earn more and Hagerstown, Hancock and Cascade earn less. Maugansville marks the far end of that range at $57,940, 34% below Williamsport.

ZIP Code Population Median income Establishments Density
21795 9,233 $87,864 248 118
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Williamsport roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Williamsport, .