Brownsburg is a town in Hendricks County, Indiana, United States. The population was recorded to be 21,285 residents at the 2010 Census. In 2020, the population was recorded as 28,973 residents. Brownsburg was first settled in 1824 by James B. Brown. Delaware Indians lived in what is now called Lincoln Township, along White Lick Creek, which was the…Brownsburg is a town in Hendricks County, Indiana, United States. The population was recorded to be 21,285 residents at the 2010 Census. In 2020, the population was recorded as 28,973 residents. Brownsburg was first settled in 1824 by James B. Brown. Delaware Indians lived in what is now called Lincoln Township, along White Lick Creek, which was then called "Wa-pe-ke-way" or "White Salt".