Jefferson County, Illinois Population 2022

Jefferson County, Illinois's estimated population is with a growth rate of -0.46% in the past year according to the most recent United States census data. Jefferson County, Illinois is the 37th largest county in Illinois. The 2010 population was and has seen a growth of -5.30% since this time.

Note: 2021 and 2022 data is projected

Jefferson County, Illinois Population 2022

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Jefferson County, Illinois Population Growth

Population by Race

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Jefferson County, Illinois Population by Race

Jefferson County, Illinois Population Pyramid 2022

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Jefferson County, Illinois Median Age

41.2


Total

39.9


Male

43


Female

Jefferson County, Illinois Adults

There are 29,393 adults, (7,220 of whom are seniors) in Jefferson County, Illinois.

Jefferson County, Illinois Age Dependency

Age Dependency Ratio

32.6

Old Age Dependency Ratio

37.8

Child Dependency Ratio

Jefferson County, Illinois Sex Ratio

Female

18,357

48.60%

Male

19,417

51.40%

Jefferson County, Illinois Population by Age

Jefferson County, Illinois Renter vs Owner Occupied by Household Type

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Jefferson County, Illinois Household Types

71.8%

Rate of Home Ownership

Jefferson County, Illinois Households and Families

2.91

Average Family Size

2.41

Average Household Size

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Jefferson County, Illinois Households by Type

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

Jefferson County, Illinois Educational Attainment by Race

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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 asian people with a rate of 52.62%.

Jefferson County, Illinois Educational Attainment by Race

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$35,690

Average Earnings

$44,326

Average Male

$27,116

Average Female

Jefferson County, Illinois Earnings by Educational Attainment

Jefferson County, Illinois Language by Age

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Jefferson County, Illinois Language

96.30% of Jefferson County, Illinois residents speak only English, while 3.70% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.64% of the population.

Jefferson County, Illinois Language

Jefferson County, Illinois Poverty by Race

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15.17%

Overall Poverty Rate

12.38%

Male Poverty Rate

17.87%

Female Poverty Rate

Poverty in Jefferson County, Illinois

The race most likely to be in poverty in Jefferson County, Illinois is Hispanic, with 31.59% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 2.23%. Among those working part-time, it was 20.01%, and for those that did not work, the poverty rate was 18.39%.

Jefferson County, Illinois Poverty

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Jefferson County, Illinois Poverty Rate by Education

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Jefferson County, Illinois Poverty Rate by Employment Status and Sex

Jefferson County, Illinois Income by Household Type

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Income by Household Type

Jefferson County, Illinois Marital Status

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Marriage Rates

49.8%

Overall Marriage Rate

48.5%

Male Marriage Rate

51.3%

Female Marriage Rate

Jefferson County, Illinois Married by Age and Sex

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Jefferson 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 45-54.

Jefferson County, Illinois Marital Status by Race

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Jefferson County, Illinois Marital Status

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2,766

Number of Veterans

Male Veterans

Female Veterans

Jefferson County, Illinois Veterans by War

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Jefferson County, Illinois Veterans by Age

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Jefferson County, Illinois Veterans by Race

Jefferson County, Illinois Veterans by Education

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3.82%

Veteran Poverty Rate

37.49%

Veteran Disability Rate

Jefferson County, Illinois Veterans by Education

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57.5%

Labor Force Participation

54%

Employment Rate

6.2%

Unemployment Rate

Jefferson County, Illinois Employment by Age

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Jefferson County, Illinois Employment by Race

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Jefferson County, Illinois Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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80.17%

Born in Jefferson County, Illinois

98.19%

Native Born

1.81%

Foreign Born

0.61%

Non Citizen

1.19%

Naturalized

Place of Birth

98.19% of Jefferson County, Illinois residents were born in the United States, with 80.17% having been born in Illinois. 0.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Jefferson County, Illinois Place of Birth

Sources