Greene County, Illinois Population 2021

Greene County, Illinois's estimated population is 12,777 with a growth rate of -0.75% in the past year according to the most recent United States census data. Greene County, Illinois is the 81st largest county in Illinois. The 2010 Population was 13,890 and has seen a growth of -8.01% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202112,777-96-0.75%
202012,873-96-0.74%
201912,969-96-0.73%
201813,065-91-0.69%
201713,156330.25%
201613,123-222-1.66%
201513,345-70-0.52%
201413,415-218-1.60%
201313,633-23-0.17%
201213,656-200-1.44%
201113,856-34-0.24%
201013,890-1,427-9.32%
199015,317-1,344-8.07%
198016,661-353-2.07%
197017,014-446-2.55%
196017,460-1,392-7.38%
195018,852-1,440-7.10%
194020,292-125-0.61%
193020,417-2,466-10.78%
192022,8835202.33%
191022,363-1,039-4.44%
190023,402-389-1.64%
189023,7917813.39%
188023,0102,73313.48%
187020,2774,18426.00%
186016,0933,66429.48%
185012,4294784.00%
184011,9514,27755.73%
18307,6740.00%
2021 Growth Rate
-0.75%
Founded
1821
County Seat
2010 Population
13,890
Growth Since 2010
-8.01%
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Greene County, Illinois Population Growth

Population by Race

Race Population Percentage
White12,72396.89%
Black or African American1841.40%
Two or More Races1280.97%
Some Other Race630.48%
Asian270.21%
Native Hawaiian and Other Pacific Islander70.05%
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Greene County, Illinois Population by Race

Greene County, Illinois Population Pyramid $2021

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Greene County, Illinois Median Age

42.5


Total

41.3


Male

45


Female

Greene County, Illinois Adults

There are 10,403 adults, (2,502 of whom are seniors) in Greene County, Illinois.

Greene County, Illinois Age Dependency

66.2

Age Dependency Ratio

31.7

Old Age Dependency Ratio

34.5

Child Dependency Ratio

Greene County, Illinois Sex Ratio

Female

6,541

49.81%

Male

6,591

50.19%

Greene County, Illinois Population by Age

Greene County, Illinois Renter vs Owner Occupied by Household Type

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Greene County, Illinois Household Types

Type Owner Renter
Married91.1%8.9%
All77.6%22.4%
Male72.7%27.3%
Non Family68.6%31.4%
Female44.4%55.6%

77.6%

Rate of Home Ownership

Greene County, Illinois Households and Families

Type Count Average Size Owned
All4,9492.677.6
Married2,4493.0891.1
Non Family1,6771.1968.6
Female5044.2444.4
Male3193.7172.7

3.19

Average Family Size

2.6

Average Household Size

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Greene County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2772.97%
9th to 12th Grade6026.45%
High School Graduate4,44447.60%
Some College2,05121.97%
Associates Degree7678.22%
Bachelors Degree8919.54%
Graduate Degree3043.26%
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Greene County, Illinois Educational Attainment by Sex (over 25)

Greene County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White9,0328,2261,187
Black15593
Hispanic9898
Other Race5454
2+ Races54434
Asian444

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

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Greene County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$32,606$42,029$25,514
Less Than 9th Grade$13,750$28,250$11,250
High School Graduate$30,371$37,237$20,072
Some College$33,183$47,593$25,705
Bachelors Degree$44,435$58,068$40,648
Graduate Degree$44,679$54,792$43,686

$32,606

Average Earnings

$42,029

Average Male

$25,514

Average Female

Greene County, Illinois Earnings by Educational Attainment

Greene County, Illinois Language by Age

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Greene County, Illinois Language

98.94% of Greene County, Illinois residents speak only English, while 1.06% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.74% of the population.

Greene County, Illinois Language

Greene County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White12,4341,63313.13%
Multiple1202117.50%
Hispanic1501711.33%
Other6334.76%
Black1218.33%

13.07%

Overall Poverty Rate

11.89%

Male Poverty Rate

14.24%

Female Poverty Rate

Poverty in Greene County, Illinois

The race most likely to be in poverty in Greene County, Illinois is Multiple, with 17.50% below the poverty level.

The race least likely to be in poverty in Greene County, Illinois is Other, with 4.76% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.05%. Among those working part-time, it was 20.00%, and for those that did not work, the poverty rate was 17.32%.

Greene County, Illinois Poverty

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Name Poverty
Less Than 9th Grade33.66%
High School12.09%
Some College7.13%
Bachelors or Greater1.42%

Greene County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed57.33%
Male Unemployed44.19%
Female Employed8.61%
Male Employed7.42%

Greene County, Illinois Poverty Rate by Employment Status and Sex

Greene County, Illinois Income by Household Type

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Name Median Mean
Households$49,885$62,277
Families$59,000$72,286
Married Families$70,061-
Non Families$28,794$39,829
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Income by Household Type

Greene County, Illinois Marital Status

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Marriage Rates

49.2%

Overall Marriage Rate

49.8%

Male Marriage Rate

48.5%

Female Marriage Rate

Greene County, Illinois Married by Age and Sex

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Greene County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Greene County, Illinois Marital Status by Race

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Greene County, Illinois Marital Status

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1,162

Number of Veterans

1,126

Male Veterans

36

Female Veterans

War Veterans
Vietnam447
First Gulf War198
Second Gulf War122
Korea119
World War II18

Greene County, Illinois Veterans by War

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Age Group Veterans
65 to 74371
35 to 54297
75+289
55 to 64155
18 to 3450

Greene County, Illinois Veterans by Age

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Name Veterans % of Total
White1,15511.52%
2+ Races76.14%
Hispanic64.69%

Greene County, Illinois Veterans by Race

Greene County, Illinois Veterans by Education

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9.80%

Veteran Poverty Rate

29.92%

Veteran Disability Rate

Greene County, Illinois Veterans by Education

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58.3%

Labor Force Participation

56.8%

Employment Rate

2.5%

Unemployment Rate

Greene County, Illinois Employment by Age

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Greene County, Illinois Employment by Race

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Greene 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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87.51%

Born in Greene County, Illinois

99.51%

Native Born

0.49%

Foreign Born

0.33%

Non Citizen

0.17%

Naturalized

Place of Birth

99.51% of Greene County, Illinois residents were born in the United States, with 87.51% having been born in Illinois. 0.33% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Greene County, Illinois Place of Birth

  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

Sources