According to the 2016 Census, there were 139,284 people living in the municipality in 51,325 private dwellings. 47% of households contained a married couple with children, 30% contained a married couple without children, and 22% were one-person households. Of the 40,085 reported families: 76% were married couples with an average of 3.0 persons per family, 15% were lone-parents with an average of 2.5 persons per family, and 9% were common-law couples with an average of 2.6 persons per family. The median age of Coquitlam's population was 41.1 years, slightly younger than the British Columbia median of 43.0 years. Coquitlam had 85.6% of its residents 15 years of age or older, less than the provincial average of 87.5%. The south slope of Coquitlam has a pocket of French speakers.