Alba township is located in Henry County, Illinois. Alba township has a 2026 population of 167. Alba township is currently declining at a rate of -0.6% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 171 in 2020.
The median age in Alba township is 28.9 years: 43.4 years for males, and 28.3 years for females. For every 100 females there are 98.4 males.