Quick Answer. The average human running speed is 12 to 15 miles per hour for short-distance sprinting and 5 to 8 mph for long-distance running. Running times vary based on training and overall fitness levels.
Attachment D - Demographic Information on Older Individuals. Population Served. According to the U.S. Census Bureau, in 2010 there were 3.8 million people in Texas age 60 and older; they made up approximately 15 percent of the total Texas population of 25 million.
[In Pictures: 10 Places with the Oldest Population .]. Those on the verge of retirement make up the country's fastest-growing group of people. There are now 81.5 million Americans between ages 45 and 64, up 32 percent since 2000. The proportion of people age 65 and older climbed 15 percent to 40.3 million.cottsdale, Ariz., has the oldest citizens of any city with a population of 100,000 or more. The median age of 45.4 years is eight years higher than the national median age.