Jefferson County, Illinois Population 2018

Jefferson County, Illinois's estimated population is 38,179 with a growth rate of -0.89% in the past year according to the most recent United States census data. Jefferson County, Illinois is the 36th largest county in Illinois.

Year Population Growth Growth Rate
201738,179-344-0.89%
201638,5232150.56%
201638,30880.02%
201538,300-76-0.20%
201438,376-253-0.65%
201338,629-21-0.05%
201238,650-92-0.24%
201138,742-15-0.04%
201038,7571,7374.69%
199037,0204681.28%
198036,5525,10616.24%
197031,446-869-2.69%
196032,315-3,577-9.97%
195035,8921,5174.41%
194034,3753,34110.77%
193031,0342,5548.97%
192028,480-631-2.17%
191029,1119783.48%
190028,1335,54324.54%
189022,5901,9049.20%
188020,6862,82215.80%
187017,8644,89937.79%
186012,9654,85659.88%
18508,1092,34740.73%
18405,7623,207125.52%
18302,5551,864269.75%
18206910.00%

Jefferson County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White33,797
Black or African American3,200
Two or More Races911
Asian443
Some Other Race126
American Indian and Alaska Native46

Race Data via US Census (2016 ACS 5-Year Survey)

Jefferson County, Illinois Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Jefferson County, Illinois Median Age

40.9


Total

39.4


Male

43


Female

Jefferson County, Illinois Adults

There are 30,086 adults, (6,857 of which are seniors) in Jefferson County, Illinois.

Jefferson County, Illinois Age Dependency

65.8

Age Dependency Ratio

29.4

Old Age Dependency Ratio

36.4

Child Dependency Ratio

Jefferson County, Illinois Sex Ratio

Female

18,811

48.83%

Male

19,712

51.17%

Jefferson County, Illinois Households and Families

Jefferson County, Illinois Renter vs Owner Occupied by Household Type

Jefferson County, Illinois Household Types

Type Owner Renter
Married91%9%
All73%27%
Male72.7%27.3%
Non Family56.7%43.3%
Female48%52%

73.0%

Rate of Home Ownership

Jefferson County, Illinois Households by Type

Type Count Average Size Owned
All15,1892.3873
Married7,3403.0191
Non Family5,4331.1556.7
Female1,7233.2548
Male6933.272.7

2.99

Average Family Size

2.38

Average Household Size

6%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Jefferson County, Illinois Households

Jefferson County, Illinois Education

Jefferson County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade1,3415.00%
9th to 12th Grade2,4519.14%
High School Graduate8,58432.02%
Some College6,97826.03%
Associates Degree3,04711.37%
Bachelors Degree2,71810.14%
Graduate Degree1,6866.29%

Jefferson County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White23,85720,8483,891
Black1,9461,353260
Hispanic44232113
Asian298266197
Multiple Races24919831
Other Race64507
Native American404012

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

The highest rate of bachelors degrees is among native american people with a rate of 66.11%.

Jefferson County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$31,373$40,536$24,011
Less Than High School$16,189$22,887$13,805
High School Grad$25,595$31,534$19,148
Some College$32,413$43,021$23,700
Bachelors Degree$41,009$52,361$35,000
Graduate Degree$56,563$67,813$52,219

$31,373

Average Earnings

$40,536

Average Male

$24,011

Average Female

Jefferson County, Illinois Language

Jefferson County, Illinois Language by Age

Jefferson County, Illinois Language

96.24% of Jefferson County, Illinois residents speak only English, while 3.76% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.78% of the population.

Jefferson County, Illinois Poverty

Jefferson County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White31,9425,02615.73%
Black2,23775433.71%
Multiple89340445.24%
Hispanic65528243.05%
Other1151714.78%
Native39923.08%
Asian44381.81%

17.72%

Overall Poverty Rate

16.11%

Male Poverty Rate

19.24%

Female Poverty Rate

Poverty in Jefferson County, Illinois

The race most likely to be in poverty in Jefferson County, Illinois is Multiple, with 45.24% below the poverty level.

The race least likely to be in poverty in Jefferson County, Illinois is Asian, with 1.81% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.87%. Among those working part-time, it was 21.93%, and for those that did not work, the poverty rate was 21.59%.

Jefferson County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School29.34%
High School15.48%
Some College11.05%
Bachelors or Greater4.77%

Jefferson County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed45.15%
Male Unemployed29.76%
Female Employed10.03%
Male Employed7.21%

Jefferson County, Illinois Income

Jefferson County, Illinois Income by Household Type

Name Median Mean
Households$43,467$57,833
Families$57,037$70,924
Married Families$68,818$82,673
Non Families$22,854$32,218

Jefferson County, Illinois Marital Status

Jefferson County, Illinois Marital Status

Marriage Rates

49.6%

Overall Marriage Rate

48.9%

Male Marriage Rate

50.4%

Female Marriage Rate

Jefferson County, Illinois Married by Age and Sex

Jefferson County, Illinois Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Jefferson County, Illinois Marital Status by Race

Jefferson County, Illinois Veterans

Jefferson County, Illinois Veterans by War

3,075

Number of Veterans

2,870

Male Veterans

205

Female Veterans

Name Veterans
Vietnam1,226
First Gulf War616
Second Gulf War305
Korea290
World War II174

Jefferson County, Illinois Veterans by Age

Name Veterans
65 to 74876
35 to 54766
75+668
55 to 64653
18 to 34112

Jefferson County, Illinois Veterans by Race

Name Veterans % of Total
White2,90010.81%
Black1305.36%
2 or More195.26%
Asian165.23%
Hispanic132.08%
Other54.95%
Indian511.63%

Jefferson County, Illinois Veterans by Education

6.99%

Veteran Poverty Rate

38.31%

Veteran Disability Rate

Jefferson County, Illinois Employment Status

Jefferson County, Illinois Employment by Age

57.7%

Labor Force Participation

52.2%

Employment Rate

9.4%

Unemployment Rate

Jefferson County, Illinois Employment by Race

Jefferson County, Illinois Employment by Education

Population of Cities in Jefferson County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Mount Vernon1528615137-149-0.97%
Centralia 1303412572-462-3.54%
Ina23382335-3-0.13%
Woodlawn69669600.00%
Bluford688673-15-2.18%
Dix45945900.00%
Waltonville43443400.00%
Bonnie397384-13-3.27%
Belle Rive36136100.00%
Nason23623600.00%
Data Sources
  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