In 2023, Austin, TX had a population of 968k people with a median age of 34.5 and a median household income of $91,461. Between 2022 and 2023 the population of Austin, TX grew from 958,202 to 967,862, a 1.01% increase and its median household income grew from $86,556 to $91,461, a 5.67% increase.