PlainZIP

Williamstown, PA

Single-footprint Census roll-up for Williamstown, PA: 1 USPS ZIP, population 2,528. 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 WILLIAMSTOWN-PA · Williamstown, PA 1 ZIPs · 2,528 pop · #16345/25278 · Dauphin County

INC-MID · RANK-LOWER · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-MID $63,041
  • RANK-LOWER #16345/25278
  • ABOVE-PEER over Grantville
  • BOOK-ONE 1 ZIP
  • OWN-MID 75% owners
  • POP-VILLAGE 2,528
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $122,000

Nearest income peer: Grantville, PA ( $3,487 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 Williamstown

Lowest/highest poles plus county-sharing cities nearest Williamstown 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, Williamstown, PA sits among US cities with a below-median household income, on a village-scale population base, across a single-ZIP footprint.

35th pct
household income vs 25,278 US cities
2,528
city population (Census)
1
USPS ZIP codes covered
$63,041
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.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $63,041 and poverty 19.2% concentrate in 17098.

Owner-occupancy sits in a mixed band (74.5%) - check the ZIP page's tenure split before treating Williamstown as a pure owner town.

Within Pennsylvania, Grassflat is the closest lower-income city and Emlenton the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Williamstown.

Population concentration

Williamstown reads through its lone ZIP, 17098

2,528 ACS residents, one ZIP: 17098 is not the leading code inside Williamstown, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Williamstown

Citywide ZBP: 22 establishments, 244 employees , annual payroll $10,136k (~9 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 17098 (22 units) ; leading NAICS Manufacturing (3) · also Retail trade · Accommodation and food services .

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ZIP Codes in Williamstown, PA

These ZIP codes sit in Dauphin County, which covers 25 ZIP codes in all; 1 of them fall in Williamstown. See the Dauphin County roll-up →

Williamstown sits in the lower half of Dauphin County on income: Harrisburg, Hummelstown and Middletown report more, Millersburg, Grantville and Highspire report less. Hummelstown marks the far end of that range at $115,533, 83% above Williamstown.

ZIP Code Population Median income Establishments Density
17098 2,528 $63,041 22 100
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Williamstown 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 Williamstown, .