Hillyard township is located in Macoupin County, Illinois. Hillyard township has a 2026 population of 574. Hillyard township is currently declining at a rate of -0.35% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 581 in 2020.
The median household income in Hillyard township is $43,636 with a poverty rate of 23%. The median age in Hillyard township is 48.1 years: 61.7 years for males, and 20.9 years for females. For every 100 females there are 46.9 males.