Williamson County is located in the state of Illinois, with a total population of 66597. The land area spans approximately 1088.248004 square miles, contributing to its total area of 1150.865693 square miles.

Williamson County Interactive Map

[county_map]

About Williamson County, Illinois

Here is some important info of Williamson County, Illinois

Williamson County, Illinois Population Demographics

As of the last census, Williamson County has a total population of 66597, out of which 33155 are Male while 33442 are female.

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

Year Population
2010 66432
2011 66732
2012 66776
2013 67450
2014 67412
2015 67428
2016 67454
2017 67049
2018 66982
2019 66597

Race Demographics

Category Percentage
non_hispanic_white_alone_male 43.9%
non_hispanic_white_alone_female 45.4%
black_alone_male 2.9%
black_alone_female 1.8%
asian_alone_male 0.5%
asian_alone_female 0.8%
hispanic_male 1.5%
hispanic_female 1.2%

Age Demographics

Category Percentage
0-4 5.9%
5-9 6.1%
10-14 6.0%
15-19 5.6%
20-24 4.9%
25-29 6.4%
30-34 6.6%
35-39 6.7%
40-44 6.2%
45-49 6.4%
50-54 6.1%
55-59 6.9%
60-64 6.7%
65-69 5.8%
70-74 5.2%
75-79 3.8%
80-84 2.4%
85+ 2.2%

Additional Information

  • Average Income: 44509
  • Number of Police officers: 155
  • Williamson County FIPS code: 17199

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Source: Census.gov, Wikipedia.org