"Across the region, approximately three quarters of private dwellings are classified as single detached houses. That rate is highest in the Boundary corridor (84%) and lowest in the Elk Valley (63%) (Figure 1). All corridors have significantly higher ratios of single family dwellings than the BC and Canadian averages, which stand at 48% and 55%, respectively.

There appears to be no clear trend in the prevalence of single detached housing over time. As a region, the ratio was lowest in 1996, at 71%. The 2001 value (77%) was significantly higher, before dropping again in 2006 (73%), and rebounding slightly in 2011 (75%)."