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.
Â· This social networking site particularly appeals to women between the ages of 18 and 29. Â· Facebook has a higher percentage of active users in the 30 to 49, 50 to 64, and over 65 age brackets than any other social networking site. Â· According to updated information from the Pew Research Center, 16 percent of Internet users are active on Twitter (which has nearly doubled since 2010).