Furnished Apartments For Rent In Johnstown Pa . View apartments for rent in johnstown, pa. There is a total of 2,828 households in portage, pa, of which 713 have children and 2,115 are without children. 1609 Luzerne Street Ext, Johnstown, PA 15905 from www.realtor.com Median housing costs per month $579. Compare rentals, see map views and save your favorite apartments. 1201 heeney ave, johnstown, pa 15904.