People in Jefferson, Iowa
Cost of Living,
The 2012 Jefferson, IA, population is 4,345. There are 728 people per square mile (population density).
Family in Jefferson, IA
The median age is 46.2. The US median is 37.3. 53.64% of people in Jefferson, IA, are married. 8.95% are divorced.
The average household size is 2.25 people. 24.66% of people are married, with children. 15.36% have children, but are single.
Race in Jefferson, IA
97.91% of people are white, 0.12% are black, 0.18% are asian, 0.12% are native american, and 1.68% claim 'Other'.
1.59% of the people in Jefferson, IA, claim hispanic ethnicity (meaning 98.41% are non-hispanic).
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