Williamson County, Illinois Population 2019

Williamson County, Illinois's estimated population is 67,328 with a growth rate of -0.46% in the past year according to the most recent United States census data. Williamson County, Illinois is the 22nd largest county in Illinois.

Year Population Growth Growth Rate
201767,328-312-0.46%
201667,640330.05%
201567,6072210.33%
201467,386-38-0.06%
201367,4246651.00%
201266,759480.07%
201166,7112820.42%
201066,4298,69615.06%
199057,7331,1952.11%
198056,5387,51715.33%
197049,0212,9046.30%
196046,117-2,504-5.15%
195048,621-2,803-5.45%
194051,424-2,456-4.56%
193053,880-7,212-11.81%
192061,09215,99435.46%
191045,09817,30262.25%
190027,7965,57025.06%
189022,2262,90215.02%
188019,3241,99511.51%
187017,3295,12441.98%
186012,2054,98969.14%
18507,2162,75961.90%
18404,4570.00%

Williamson County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White61,999
Black or African American2,778
Two or More Races1,620
Asian684
Some Other Race259
American Indian and Alaska Native130
Native Hawaiian and Other Pacific Islander7

Williamson County, Illinois Population Pyramid 2019

Williamson County, Illinois Median Age

40.9


Total

40.1


Male

42


Female

Williamson County, Illinois Adults

There are 52,674 adults, (11,931 of whom are seniors) in Williamson County, Illinois.

Williamson County, Illinois Age Dependency

65.6

Age Dependency Ratio

29.3

Old Age Dependency Ratio

36.3

Child Dependency Ratio

Williamson County, Illinois Sex Ratio

Female

33,831

50.14%

Male

33,646

49.86%

Williamson County, Illinois Households and Families

Williamson County, Illinois Renter vs Owner Occupied by Household Type

Williamson County, Illinois Household Types

Type Owner Renter
Married87.3%12.7%
All72.2%27.8%
Male66.4%33.6%
Non Family56.9%43.1%
Female55.5%44.5%

72.2%

Rate of Home Ownership

Type Count Average Size Owned
All26,8622.4372.2
Married13,3052.9587.3
Non Family9,1311.2356.9
Female3,2943.4355.5
Male1,1323.2266.4

2.97

Average Family Size

2.43

Average Household Size

4.6%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Williamson County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade1,3652.87%
9th to 12th Grade2,9736.25%
High School Graduate14,27330.03%
Some College13,06427.48%
Associates Degree5,17210.88%
Bachelors Degree6,28813.23%
Graduate Degree4,4019.26%

Williamson County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White43,79240,02710,010
Black1,8301,669273
Hispanic924785173
Multiple Races599535149
Asian450261152
Other Race18515612
Native American128732
Islander77

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 33.78%.

Name Average Male Female
Overall$34,436$42,108$28,296
Less Than High School$17,442$23,059$11,802
High School Grad$25,498$31,246$20,052
Some College$33,886$43,495$26,246
Bachelors Degree$46,282$52,841$40,097
Graduate Degree$58,431$66,531$51,900

$34,436

Average Earnings

$42,108

Average Male

$28,296

Average Female

Williamson County, Illinois Language

Williamson County, Illinois Language by Age

Williamson County, Illinois Language

96.93% of Williamson County, Illinois residents speak only English, while 3.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.58% of the population.

Williamson County, Illinois Poverty

Williamson County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White59,3958,15613.73%
Multiple1,55066142.65%
Black2,18662228.45%
Hispanic1,55738224.53%
Asian63810616.61%
Other2013617.91%
Native721216.67%
Islander77100.00%

15.20%

Overall Poverty Rate

13.68%

Male Poverty Rate

16.66%

Female Poverty Rate

Poverty in Williamson County, Illinois

The race most likely to be in poverty in Williamson County, Illinois is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Williamson County, Illinois is White, with 13.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.37%. Among those working part-time, it was 20.84%, and for those that did not work, the poverty rate was 20.19%.

Name Poverty
Less Than High School29.14%
High School14.58%
Some College9.60%
Bachelors or Greater4.53%
Name Poverty
Male Unemployed47.10%
Female Unemployed38.80%
Female Employed10.45%
Male Employed4.78%

Williamson County, Illinois Income

Williamson County, Illinois Income by Household Type

Name Median Mean
Households$48,600$63,254
Families$63,494$76,097
Married Families$73,775$86,539
Non Families$25,948$35,730

Williamson County, Illinois Marital Status

Williamson County, Illinois Marital Status

Marriage Rates

51.0%

Overall Marriage Rate

51.8%

Male Marriage Rate

50.2%

Female Marriage Rate

Williamson County, Illinois Married by Age and Sex

Williamson County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Williamson County, Illinois Marital Status by Race

Williamson County, Illinois Veterans

5,445

Number of Veterans

5,041

Male Veterans

404

Female Veterans

War Veterans
Vietnam2,195
First Gulf War1,171
Second Gulf War600
Korea343
World War II212

Williamson County, Illinois Veterans by Race

Name Veterans % of Total
White5,14210.55%
Black1948.43%
2 or More8912.38%
Hispanic726.28%
Other166.45%
Indian43.13%

Williamson County, Illinois Veterans by Education

6.39%

Veteran Poverty Rate

32.70%

Veteran Disability Rate

Williamson County, Illinois Employment Status

57.1%

Labor Force Participation

53.1%

Employment Rate

6.9%

Unemployment Rate

Population of Cities in Williamson County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Carbondale 2642626179-247-0.93%
Marion 17216178266103.54%
Herrin12523129504273.41%
Carterville550258433416.20%
Johnston City35573488-69-1.94%
Crainville1273140212910.13%
Cambria12281271433.50%
Energy11461142-4-0.35%
Hurst79579610.13%
Pittsburg572559-13-2.27%
Creal Springs543532-11-2.03%
Stonefort 297294-3-1.01%
Freeman Spur 292290-2-0.68%
Bush275274-1-0.36%
Colp225224-1-0.44%
Spillertown203202-1-0.49%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990