The data includes the first year of the coronavirus pandemic, and due to a low response rate and disruptions in data collection in 2020, the bureau adjusted methodology, according to a news release.
The following reflects how the population of Williamson County has changed in a number of ways between the 2011-15 ACS and the 2016-20 ACS.
Income
The median household income in Williamson County rose 23.2% from $73,750 in the 2011-15 survey to $90,834 in 2016-20. Additionally, the percentage of households making more than $200,000 increased from 5.8% to 10.8% during the same timeframe.
The income range most Williamson County households are in is $100,000-$149,999 per year.
Additionally, median earnings increased for men and women by $7,673 and $6,339, respectively. However, in 2016-20, median earnings for full-time male workers were $64,750 while full-time female workers had a median income of $48,751.
Commuting to work
While the vast majority of Williamson County residents—76.7%—drove by themselves to work in 2016-20, the percentage of people who worked from home grew from 6.9% in 2011-15 to 11.7% in 2016-20. A small percentage of people carpool, use public transportation or walk to work.
Education
The overall educational attainment of Williamson County residents increased in the 2020 survey compared to the 2015 one. In 2016-20, 93.2% of residents age 25 and older have graduated from high school, up from 92.6% in 2011-15.
A higher percentage of residents have also earned associate degrees, bachelor's degrees and graduate or professional degrees.
Age
The median age in Williamson County increased from 35.2 in the 2011-15 survey to 36.6 in 2016-20 data.
Housing
The recently released data indicates Williamson County has a total of 199,061 housing units, up from 172,113 in 2011-15. Of the existing units, 76.4% are single-family homes and nearly a quarter—24.2%—have been built since 2010.
Birth place
In 2016-20, an estimated 87% of Williamson County residents were U.S. natives, while 51.2% of the county’s population was born in Texas. These numbers have decreased slightly since the 2011-15 survey, when 88.7% of residents were U.S.-born and 53.5% Texas-born.
The following pie chart shows the birth region of the 13% of foreign-born Williamson County residents.
