1 Hiring a contractor to pour a concrete sidewalk runs around $5-$9 a square foot, or $1,500-$2,250 for a sidewalk 5 feet wide and 50 feet long. 2  Depending on the type of finish used, costs can be as high as $10-$18 or more a square foot, or $2,500-$4,500 for a 5-by-50-foot sidewalk. Depending on the type of finish used, costs can be as high as $10-$18 or more a square foot, or $2,500-$4,500 for a 5-by-50-foot sidewalk. 2  Materials and rental tools for a do-it-yourself project run about $3-$4 a square foot, or $750-$1,000 for a 5-by-50-foot sidewalk.
The Demographics of Social Media Users. 1  Facebook â 72% of adult internet users/62% of entire adult population. 2  Pinterest â 31% of adult internet users/26% of entire adult population. 3  Instagram â 28% of adult internet users/24% of entire adult population. 4  LinkedIn â 25% of adult internet users/22% of entire adult population. A quarter of online adults use LinkedIn, a proportion that is unchanged from the 28% of online adults who did so in September 2014.
The most popular age demographic on YouTube is 18 to 29. YouTube is fairly split between male and female users. 100 million people take a social action on YouTube (likes, shares, comments, etc.) every week. Google+ Demographics. 67% of Google+ users are male. The average Google+ user is a 28-year-old âtechie.â 235 million Google+ users are actively using its features (+1â²ing apps in Google Play, hanging out in Gmail, connecting with friends in Search, etc.). Instagram Demographics. The average age group on Instagram is 18 to 29.