Department of Numbers

Williamson County Illinois Household Income

The Census ACS 1-year survey reports that the median household income for the Williamson County Illinois area was $58,097 in 2019, the latest figures available. Williamson County median household income is $11,090 lower than the median Illinois household income and $7,615 less than the US median household income. 2020 county income data (including Williamson County median household income) will be released in September of 2021. Median family and per capita income for Williamson County are shown below.

Show dollars as: Nominal Real

Real Median Household Income for Williamson County Illinois

2019 1 Year Change 3 Year Change
US $65,712 +4.21% +7.05%
Illinois $69,187 +4.50% +6.53%
Williamson County $58,097 +30.97% +12.65%

Trends in Williamson County, IL Real Median Household Income since 2005

At $58,097, the median household income for Williamson was at a new inflation adjusted high in 2019.

Real Median Household Income: Williamson County, Illinois, National

Historical Inflation Adjusted Median Household Income for Williamson County

Date US Illinois Williamson County
2019 $65,712 $69,187 $58,097
2018 $63,059 $66,209 $44,358
2017 $62,927 $65,697 $52,572
2016 $61,383 $64,945 $51,573
2015 $60,187 $64,302 $52,592
2014 $58,001 $62,095 $53,132
2013 $57,437 $61,790 $48,827
2012 $57,307 $61,508 $45,356
2011 $57,531 $60,644 $46,068
2010 $58,809 $62,247 $51,362
2009 $59,988 $64,462 $46,787

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Williamson County Family Income

The ACS 1-year data shows the median family income for Williamson County was $71,472 in 2019. Compared to the median Illinois family income, Williamson County median family income is $16,299 lower. As with the median household income data, 2020 family income data for Williamson County will be released in September of 2021.

Show dollars as: Nominal Real

Real Median Family Income for Williamson County Illinois

2019 1 Year Change 3 Year Change
US $80,944 +4.06% +6.92%
Illinois $87,771 +6.02% +7.06%
Williamson County $71,472 +25.34% +2.53%

Trends in Williamson County, IL Real Median Family Income since 2005

The current median family income for Williamson is $71,472. Real median family income peaked in 2017 at $71,683 and is now $211 (0.29%) lower.

Real Median Family Income: Williamson County, Illinois, National

Historical Inflation Adjusted Median Family Income for Williamson County

Date US Illinois Williamson County
2019 $80,944 $87,771 $71,472
2018 $77,786 $82,787 $57,024
2017 $77,064 $82,567 $71,683
2016 $75,707 $81,980 $69,711
2015 $73,660 $79,729 $65,663
2014 $71,246 $77,609 $68,801
2013 $70,386 $76,462 $59,652
2012 $69,752 $76,644 $55,740
2011 $70,009 $74,707 $61,552
2010 $71,221 $76,871 $68,776
2009 $72,962 $79,799 $56,462

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Williamson County Per Capita Income

The ACS 1-year survey shows the per capita income for Williamson County was $32,711 in 2019. Compared to the median Illinois per capita income, Williamson County median per capita income is $5,017 lower. As with the median household and median family income numbers above, 2020 per capita income data for Williamson County will be released in September of 2021.

Show dollars as: Nominal Real

Real Per Capita Income for Williamson County Illinois

2019 1 Year Change 3 Year Change
US $35,672 +3.57% +7.57%
Illinois $37,728 +3.51% +7.81%
Williamson County $32,711 +25.39% +23.02%

Trends in Williamson County, IL Real Per Capita Income since 2005

At $32,711, the per capita income for Williamson was at a new inflation adjusted high in 2019.

Real Per Capita Income: Williamson County, Illinois, National

Historical Real Per Capita Income for Williamson County

Date US Illinois Williamson County
2019 $35,672 $37,728 $32,711
2018 $34,444 $36,450 $26,088
2017 $33,788 $35,664 $27,187
2016 $33,163 $34,996 $26,591
2015 $32,351 $34,388 $28,501
2014 $31,228 $32,880 $26,854
2013 $30,982 $32,820 $26,118
2012 $30,476 $32,062 $26,875
2011 $30,425 $31,761 $24,837
2010 $30,622 $32,109 $27,140
2009 $31,545 $33,411 $25,027

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