Jefferson, Pennsylvania
Quick Statistics
Jefferson is a community in Butler County, Pennsylvania, home to about 5,504 people spread across 22.9 square miles of land. About 95.8% of residents under 65 have health insurance.
Summers around Jefferson typically top out near 82°F in July, while January nights average about 17°F. The area sees roughly 35 inches of snow a year. Full normals are on the climate page.
What is the population of Jefferson, Pennsylvania?
Jefferson has a population of about 5,504 people, according to the latest Census Bureau estimates.
What county is Jefferson, Pennsylvania in?
Jefferson is located in Butler County, Pennsylvania.
How many tornadoes have hit near Jefferson, Pennsylvania?
Since 1950, 26 tornadoes have been recorded in Butler County. See the tornado page for maps and details of each one.
What is the weather like in Jefferson, Pennsylvania?
Typical July highs run about 82 degrees and January lows about 17 degrees, with around 35 inches of snow a year. Figures are 30-year NOAA climate normals.
Use the menu on the left to find more detailed statistics on Jefferson, Pennsylvania.