Bird township is located in Macoupin County, Illinois. Bird township has a 2026 population of 288. Bird township is currently declining at a rate of 0% annually and its population has decreased by -1.71% since the most recent census, which recorded a population of 293 in 2020.
The median household income in Bird township is $142,786 with a poverty rate of 0%. The median age in Bird township is 31.5 years: 38.4 years for males, and 13.8 years for females. For every 100 females there are 101.0 males.