Jefferson County is located in the state of Iowa, with a total population of 18295. The land area spans approximately 1127.999784 square miles, contributing to its total area of 1131.524608 square miles.

Jefferson County Interactive Map

[county_map]

About Jefferson County, Iowa

Here is some important info of Jefferson County, Iowa

Jefferson County, Iowa Population Demographics

As of the last census, Jefferson County has a total population of 18295, out of which 10025 are Male while 8270 are female.

You can check the total population for every year in the below table:

Year Population
2010 16837
2011 17096
2012 17278
2013 17629
2014 17793
2015 17906
2016 18063
2017 18219
2018 18256
2019 18295

Race Demographics

Category Percentage
non_hispanic_white_alone_male 40.7%
non_hispanic_white_alone_female 40.1%
black_alone_male 1.8%
black_alone_female 0.8%
asian_alone_male 9.5%
asian_alone_female 1.9%
hispanic_male 1.7%
hispanic_female 1.5%

Age Demographics

Category Percentage
0-4 4.4%
5-9 4.0%
10-14 4.4%
15-19 4.2%
20-24 9.7%
25-29 8.7%
30-34 6.2%
35-39 5.7%
40-44 5.0%
45-49 5.0%
50-54 4.9%
55-59 6.3%
60-64 7.9%
65-69 9.0%
70-74 6.7%
75-79 3.4%
80-84 2.0%
85+ 2.6%

Additional Information

  • Average Income: 42320
  • Number of Police officers: 47
  • Jefferson County FIPS code: 19101

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Source: Census.gov, Wikipedia.org