Ophir township is located in LaSalle County, Illinois. Ophir township has a 2026 population of 438. Ophir township is currently declining at a rate of 0% annually and its population has decreased by -0.68% since the most recent census, which recorded a population of 441 in 2020.
The median age in Ophir township is 39.9 years: 41.8 years for males, and 37.5 years for females. For every 100 females there are 118.3 males.