Halfway is a census-designated place located in the U.S. state of Maryland. It is within Washington County in the middle of Hagerstown and Williamsport included in the Hagerstown-Martinsburg, MD-WV, Metropolitan Statistical Area. It has a total area of 4.7 square miles at 39°36′59″N 77°45′56″W. The elevation is 604 feet above sea level. As of the 2000 census data, it had a total population of 10,065. The population density was 2,146/sq mi. Estimated per capita income in 2016 was $27,722. Recent job growth is positively increased by 0.58 percent. The average travel time is 32 minutes. It has Zip code 21740.