Worthington is a city located in Dubuque County, Iowa. Worthington has a 2026 population of 374. Worthington is currently declining at a rate of -0.27% annually and its population has decreased by -1.58% since the most recent census, which recorded a population of 380 in 2020.
The median household income in Worthington is $97,500 with a poverty rate of 2.78%. The median age in Worthington is 40.2 years: 37.5 years for males, and 42.3 years for females. For every 100 females there are 114.4 males.