Jefferson, a city located in the state of Iowa (IA), is home to a population of approximately 4,190 people. Jefferson boasts a median age of 47.7, with around 38.5% of its residents aged 60 or above. 7.7% of the population identifies as US Veterans. 20.4% of Jefferson residents are disabled. The city has an average household income of $48,868, while the unemployment rate stands at 2.1%, and around 7.8% of the population is considered to be living below the poverty level. In terms of housing, the average home value in Jefferson is $121,585, with a monthly rent averaging $828.