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 $50,408 in 2017, the latest figures available. Williamson County median household income is $12,584 lower than the median Illinois household income and $9,928 less than the US median household income. 2018 county income data (including Williamson County median household income) will be released in September of 2019. 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

2017 1 Year Change 3 Year Change
US $60,336 +2.51% +8.49%
Illinois $62,992 +1.16% +5.80%
Williamson County $50,408 +1.94% -1.05%

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

The current median household income for Williamson is $50,408. Real median household income peaked in 2014 at $50,945 and is now $537 (1.05%) lower.

Real Median Household Income: Williamson County, Illinois, National

Historical Inflation Adjusted Median Household Income for Williamson County

Date US Illinois Williamson County
2017 $60,336 $62,992 $50,408
2016 $58,856 $62,271 $49,450
2015 $57,709 $61,655 $50,426
2014 $55,613 $59,538 $50,945
2013 $55,072 $59,246 $46,817
2012 $54,948 $58,976 $43,489
2011 $55,162 $58,146 $44,171
2010 $56,388 $59,684 $49,248
2009 $57,519 $61,808 $44,861
2008 $59,382 $64,182
2007 $60,135 $64,145
2006 $59,051 $63,383

Williamson County Family Income

The ACS 1-year data shows the median family income for Williamson County was $68,732 in 2017. Compared to the median Illinois family income, Williamson County median family income is $10,436 lower. As with the median household income data, 2018 family income data for Williamson County will be released in September of 2019.

Show dollars as: Nominal Real

Real Median Family Income for Williamson County Illinois

2017 1 Year Change 3 Year Change
US $73,891 +1.79% +8.17%
Illinois $79,168 +0.72% +6.39%
Williamson County $68,732 +2.83% +4.19%

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

At $68,732, the median family income for Williamson was at a new inflation adjusted high in 2017.

Real Median Family Income: Williamson County, Illinois, National

Historical Inflation Adjusted Median Family Income for Williamson County

Date US Illinois Williamson County
2017 $73,891 $79,168 $68,732
2016 $72,591 $78,605 $66,842
2015 $70,627 $76,446 $62,959
2014 $68,313 $74,413 $65,968
2013 $67,488 $73,313 $57,196
2012 $66,880 $73,489 $53,445
2011 $67,126 $71,631 $59,017
2010 $68,289 $73,706 $65,944
2009 $69,958 $76,513 $54,138
2008 $72,321 $78,703
2007 $72,500 $77,937
2006 $71,330 $76,930

Williamson County Per Capita Income

The ACS 1-year survey shows the per capita income for Williamson County was $26,068 in 2017. Compared to the median Illinois per capita income, Williamson County median per capita income is $8,128 lower. As with the median household and median family income numbers above, 2018 per capita income data for Williamson County will be released in September of 2019.

Show dollars as: Nominal Real

Real Per Capita Income for Williamson County Illinois

2017 1 Year Change 3 Year Change
US $32,397 +1.88% +8.20%
Illinois $34,196 +1.91% +8.47%
Williamson County $26,068 +2.24% +1.24%

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

The current per capita income for Williamson is $26,068. Real per capita income peaked in 2015 at $27,328 and is now $1,260 (4.61%) lower.

Real Per Capita Income: Williamson County, Illinois, National

Historical Real Per Capita Income for Williamson County

Date US Illinois Williamson County
2017 $32,397 $34,196 $26,068
2016 $31,798 $33,556 $25,497
2015 $31,019 $32,972 $27,328
2014 $29,942 $31,526 $25,749
2013 $29,706 $31,468 $25,042
2012 $29,221 $30,742 $25,768
2011 $29,173 $30,453 $23,814
2010 $29,361 $30,787 $26,023
2009 $30,246 $32,035 $23,996
2008 $31,488 $33,024
2007 $31,629 $33,143
2006 $30,795 $32,315