Apollo is a borough in Armstrong County, Pennsylvania, United States, 35 miles (40 km) northeast of Pittsburgh in a former coal-mining region. Apollo was settled in 1790, laid out in 1816, and incorporated as a borough in 1848. The town was originally known as 'Warren', but was later renamed to avoid confusion with another town in Pennsylvania of the same name. 
The population in 1890 stood at 2,156; in 1900, 2,924; in 1910, 3006; in 1930, 3,406. The population was 1,647 at the 2010 census.
|Period||Total Sold||Average Price||Median Price|
|Pennsylvania||2 out of 5|
|Apollo||No rating submitted|