Williamstown is a borough in Dauphin County, Pennsylvania, United States. The borough is 38 miles (61 km) northeast of Harrisburg. Formerly, anthracite coal mines and hosiery mills were located in the borough. The town takes its name from a Revolutionary War-era traveler who passed through the region and operated a sawmill nearby. Tunneling through Big Lick Mountain at the future colliery site began in 1856–57 under the Summit Branch Railroad Company, and the transportation of anthracite coal from the mine complex began in 1866 — the year the Williamstown Colliery shipped 67,643 tons in its first year of operation. The mine became a subsidiary of the Pennsylvania Railroad in the 1870s and i…

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Town numbers

ZIP code17098

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Living in Williamstown

Housing in Williamstown

$132K▼ 6.6% in a year Typical home value · Zillow

The typical Williamstown home is worth about $132,000, down 6.6% in a year, 54% below the Pennsylvania typical home.

Only 1 sale in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Williamstown

Full picture →

Most working residents leave Williamstown for work: only 2% work in town. The top destinations are Washington (7%), Harrisburg (7%) and Upper Paxton (4%). Half commute less than 22 miles.

Washington

Harrisburg

Upper Paxton

Lower Swatara

2%Work in townlive and work in Williamstown 22 miWhere do people commute?the commute map 82Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Williamstown →

Health in Williamstown

Compared with Pennsylvania

2worse than PA

of 5 measures CDC estimates. The other 3 are too close to call.

Conditions 1▼ 0 close Habits all close Care 1▼ 2 close

BetterToo close to callWorse

What stands out

25.5%More older adults who have lost all their teethPA 14.5% · worse 53.7%Fewer adults seeing a dentistPA 64.4% · worse

Care nearby

Wellspan Good Samaritan HospitalLebanon · 19.9 mi · ER

Shamokin Health CenterShamokin · 15 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Williamstown · CMS · HRSAHealth in Williamstown →

Natural hazards in Williamstown

High

Expected storm and flood damage is higher than in 75% of U.S. communities.

🌊 Inland flooding

0Does Williamstown flood?no paid flood claims on record 3Disasters that paid out herefederal disasters sent FEMA money to Williamstown

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Williamstown →

Climate in Williamstown

Full climate →

Williamstown has chilly winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 80°, a January night drops to 19°, and about 28 inches of snow falls in a normal winter.

36° / 21°Winter

57° / 38°Spring

78° / 60°Summer

60° / 43°Fall