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.
About This Statistic. This statistic gives information on the most popular social media sites used by teenage and young adult internet users in the United States as of February 2017. During the survey period, it was found that 73 percent of responding internet users aged 13 to 24 used social photo sharing app Instagram.