California had the largest non-Hispanic white alone population of any state in 2013 (15.0 million). Texas had the largest numeric increase in this population group since 2012 (51,000). Maine had the highest percentage of the non-Hispanic white alone population (94.0 percent).

    Los Angeles had the largest non-Hispanic white alone population of any county (2.7 million) in 2013. Maricopa, Ariz., had the largest numeric increase in this population since 2012 (23,000). Lincoln County, W.Va., comprised the highest percentage (98.2 percent) of single-race non-Hispanic whites. 

 

     The 85-and-older population grew by about 3 percent between 2012 and 2013 to 6 million. The number of people age 100 and over reached 67,000 in 2013.

    The total number of children under age 5 was just under 20 million in 2013 or 6.3 percent of the population. The number of children age 5 to 13 was just over 37 million in 2013 (11.7 percent of the population).

    The number of high school-age children (age 14 to 17) was 16.6 million or 5.3 percent of the population in 2013.

    In 2013, there were about 198 million working-age adults (age 18 to 64), representing 62.6 percent of the total population.

    In 2013, the median age of the minority population — i.e., all people who were not in the non-Hispanic single-race white group — was 30.5 years. The non-Hispanic white alone population was older, with a median age of 42.9 years in 2013.

 

     Florida had the highest percentage of its total population age 65 and older (18.7 percent), followed by Maine (17.7 percent). Alaska had the lowest percentage of its population 65 and older (9.0 percent), followed by Utah (9.8 percent). 

    Utah had the highest percentage of its total population under age 5 at 8.8 percent, followed by Alaska (7.5 percent). The two states with the lowest percentage of their total population under age 5 were Vermont (4.9 percent) and Maine (4.9 percent).

    There was a greater than 13-year difference in the median ages of the state with the highest median age — Maine at 43.9 — and the state with the lowest median age — Utah at 30.2. 

    New Hampshire experienced the largest increase in median age, from 42.0 to 42.3.

 

     There were 60 counties where the median age was greater than 50, and 61 counties where the median age was less than 30.

    Las Animas, Colo., experienced the largest increase in median age, 1.2 years, from 44.5 to 45.7.

    Sumter, Fla., had the highest proportion of its population age 65 and older (51.6 percent), and also had the lowest proportion of its population under age 5 (2.1 percent) on July 1, 2013.

    Chattahoochee., Ga., had the lowest proportion of its population age 65 and older (3.8 percent).

    Shannon, S.D., had the highest proportion of its population under age 5 (11.6 percent). 

 

     There were only 10 states where males made up the majority of the population on July 1, 2013. Alaska had the highest percentage of men at 52.4 percent, followed by North Dakota (51.1 percent), Wyoming (51.0 percent), Hawaii (50.5 percent), Nevada (50.4 percent), Utah (50.3 percent), Colorado (50.2 percent), South Dakota (50.2 percent), Montana (50.2 percent), and Idaho (50.1 percent).

    The District of Columbia had a higher percentage of females than any state at 52.6 percent, followed by Delaware (51.6 percent), Rhode Island (51.6 percent), Massachusetts (51.5 percent) and Maryland (51.5 percent).