How many centenarians lived in the United States in 2000?
In 2000, there were 50,454 centenarians (people age 100 or over), representing only 1 out of every 5,578 people. In 1990, centenarians numbered 37,306 people (1 out of every 6,667 people). The greatest number of centenarians (5,341) lived in California in 2000, followed by 3,997 centenarians in New York. South Dakota, with 247 centenarians (1 out of every 3,056 people), and Iowa, with 941 centenarians (1 out of every 3,110 people), had the highest proportion of their population 100 years and over.
