Apollo is in Armstrong County, Pennsylvania. It is classified as a borough, and is part of the Pittsburgh Metro Area. The area was settled in the late eighteenth century, and incorporated in 1848 as a borough. Initially, it was named "Warren" but that was later changed. It has a total area of 0.3 square miles. 8.57% of the area is water, and the rest is land. Historically, the major player in the local economy was the Apollo Iron & Steel Company. The borough also got the first public library of the county, in 1911.
Construction, retail trade and professional, scientific, and technical services are the major economic activities here. North Washington Elementary School is the local public school. The closest hospital is the ACMH Hospital, located about 16 miles away in Kittanning. The cost of living here is 15.90% lower than the country average.
This place gets about 40 inches of rain annually. The number of days with measurable precipitation is 143. Snowfall is about 26 inches annually.