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All Jefferson population data above are from the US Census Bureau.
The population data for Jefferson are from the Census' American Community Survey 2017 5-year estimates and the Census' 2018 Population Estimates. The demographic data for Forest City, Le Claire, New Vienna, and Rockwell are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2017 5-year estimates, and were downloaded on 6 December 2018. Check out our FAQ section for more details.
With 4,148 people, Jefferson is the 97th most populated city in the state of Iowa out of 1,004 cities. But watch out, Jefferson, because Forest City with 4,047 people and Le Claire with 3,970 people are right behind you.
The largest Jefferson racial/ethnic groups are White (92.9%) followed by Hispanic (3.3%) and Asian (2.3%).
In 2017, the median household income of Jefferson residents was $55,170. Jefferson households made slightly more than New Vienna households ($55,156) and Rockwell households ($55,163) . However, 8.8% of Jefferson residents live in poverty.
The median age for Jefferson residents is 47.8 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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