
Gap
- County:
- Lancaster County
- County Seat:
- No
- Area (mi²):
- 3.076
- State:
- Pennsylvania
Gap is a CDP located in Lancaster County, Pennsylvania. Gap has a 2025 population of 2,422. Gap is currently growing at a rate of 1.34% annually but its population has decreased by -7.17% since the most recent census, which recorded a population of 2,609 in 2020.
The average household income in Gap is $111,128 with a poverty rate of 1.96%. The median age in Gap is 41.5 years: 43.9 years for males, and 39 years for females.