States · Pennsylvania · York County

Grantley, Pennsylvania.

A community in York County, with no city government of its own. Zillow publishes no home prices for it: see York County’s.

Living in Grantley, York County, Pennsylvania

Grantley, in York County, had 4,524 people in the 2020 census. 91% of its homes are lived in by their owners and 9% are rented. Unemployment in York County was 3.9% in August 2026, and the county had 0.1% more jobs in 2025 than the year before. The most residents work in schools and health care, then restaurants and hotels.

People 4,524 in the 2020 census; median age 21.4
Household income Too few homes in Grantley for the Census survey to measure.
Unemployment 3.9% York County, August 2026; 5.0% a year before
Homes 91% lived in by their owners; 9% rented
  • 978households
  • 56%of adults have a degree
  • 6%below the poverty line
  • 18 mintypical commute
  • 12%work from home

What residents work in

  • Schools, hospitals and social care30%
  • Restaurants, hotels and entertainment15%
  • Shops (retail)15%
  • Manufacturing12%
  • Professional and business services6%
  • Building trades5%

Employed residents by industry, from the Census survey. York County had 182,806 jobs in 2025, 0.1% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 41° and 21°; warmest in July, 88° and 63° 20° 40° 60° 80° J 41° 21° F M A M J J 88° 63° A S O N D
Average daily high and low for each month: coldest in January, 41° and 21°; warmest in July, 88° and 63° 20° 40° 60° 80° J 41° 21° F M A M J J 88° 63° A S O N D

Coldest in January, with highs near 41° and lows near 21°; warmest in July, with highs near 88° and lows near 63°. About 25 inches of snow and 46 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the York Ssw Pump Station weather station, 2 miles away (NOAA).

Largest workplaces in Grantley

  1. York College of PennsylvaniaUniversity or college797
  2. Johnson Controls Navy SystemsAir-conditioning equipment manufacturing253
  3. Marine Tech Wire & CableCommunications wire and cable, nonferrous, made from purchased nonferrous wire40
  4. Compass Group26

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 3 workplaces with 20 or more staff, 319 people in all. Colleges come from IPEDS (NCES, 2023–24). Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Winter weatherRelatively high
  2. Inland floodingRelatively high
  3. HurricanesRelatively moderate
  4. EarthquakesRelatively moderate
  5. Strong windRelatively moderate
  6. LightningRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Grantley’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on York County.