Iroquois County, Illinois Population 2021

Iroquois County, Illinois's estimated population is 26,374 with a growth rate of -1.38% in the past year according to the most recent United States census data. Iroquois County, Illinois is the 52nd largest county in Illinois. The 2010 Population was 29,701 and has seen a growth of -11.20% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202126,374-370-1.38%
202026,744-370-1.36%
201927,114-370-1.35%
201827,484-293-1.05%
201727,777-386-1.37%
201628,163-359-1.26%
201528,522-197-0.69%
201428,719-221-0.76%
201328,940-327-1.12%
201229,267-233-0.79%
201129,500-201-0.68%
201029,701-1,086-3.53%
199030,787-2,189-6.64%
198032,976-556-1.66%
197033,532-30-0.09%
196033,5621,2143.75%
195032,348-148-0.46%
194032,496-417-1.27%
193032,913-1,928-5.53%
192034,841-702-1.98%
191035,543-2,471-6.50%
190038,0142,8478.10%
189035,167-284-0.80%
188035,4519,66937.50%
187025,78213,457109.18%
186012,3258,176197.06%
18504,1492,454144.78%
18401,6950.00%
2021 Growth Rate
-1.38%
County Website
Founded
1833
County Seat
2010 Population
29,701
Growth Since 2010
-11.20%
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Iroquois County, Illinois Population Growth

Population by Race

Race Population Percentage
White25,74692.57%
Some Other Race1,1904.28%
Two or More Races5181.86%
Black or African American2400.86%
Asian980.35%
American Indian and Alaska Native200.07%
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Iroquois County, Illinois Population by Race

Iroquois County, Illinois Population Pyramid $2021

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Iroquois County, Illinois Median Age

44.4


Total

43.1


Male

45.6


Female

Iroquois County, Illinois Adults

There are 21,740 adults, (5,895 of whom are seniors) in Iroquois County, Illinois.

Iroquois County, Illinois Age Dependency

75.5

Age Dependency Ratio

37.2

Old Age Dependency Ratio

38.3

Child Dependency Ratio

Iroquois County, Illinois Sex Ratio

Female

14,236

51.19%

Male

13,576

48.81%

Iroquois County, Illinois Population by Age

Iroquois County, Illinois Renter vs Owner Occupied by Household Type

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Iroquois County, Illinois Household Types

Type Owner Renter
Married88.1%11.9%
All76.1%23.9%
Non Family64.9%35.1%
Male60.9%39.1%
Female58.8%41.2%

76.1%

Rate of Home Ownership

Iroquois County, Illinois Households and Families

Type Count Average Size Owned
All11,7412.3376.1
Married6,0522.988.1
Non Family4,0841.2164.9
Female9862.9958.8
Male6193.1160.9

2.83

Average Family Size

2.33

Average Household Size

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Iroquois County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6313.20%
9th to 12th Grade1,4407.31%
High School Graduate7,84239.81%
Some College4,51322.91%
Associates Degree2,14210.87%
Bachelors Degree2,07710.54%
Graduate Degree1,0525.34%
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Iroquois County, Illinois Educational Attainment by Sex (over 25)

Iroquois County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White18,22816,6532,861
Hispanic97050433
Other Race61426811
2+ Races258258113
Black13311541
Asian878675
Native American2020

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 asian people with a rate of 86.21%.

Iroquois County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$33,815$43,675$26,479
Less Than 9th Grade$21,341$25,093$15,461
High School Graduate$29,031$39,420$19,462
Some College$36,576$48,569$29,961
Bachelors Degree$47,500$62,267$32,045
Graduate Degree$57,440$74,861$50,000

$33,815

Average Earnings

$43,675

Average Male

$26,479

Average Female

Iroquois County, Illinois Earnings by Educational Attainment

Iroquois County, Illinois Language by Age

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Iroquois County, Illinois Language

93.85% of Iroquois County, Illinois residents speak only English, while 6.15% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.35% of the population.

Iroquois County, Illinois Language

Iroquois County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White24,3982,70211.07%
Hispanic1,90357029.95%
Other1,19041334.71%
Black1944824.74%
Multiple500367.20%
Asian981313.27%
Native20210.00%

12.45%

Overall Poverty Rate

11.77%

Male Poverty Rate

13.12%

Female Poverty Rate

Poverty in Iroquois County, Illinois

The race most likely to be in poverty in Iroquois County, Illinois is Other, with 34.71% below the poverty level.

The race least likely to be in poverty in Iroquois County, Illinois is Multiple, with 7.20% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.08%. Among those working part-time, it was 17.17%, and for those that did not work, the poverty rate was 17.08%.

Iroquois County, Illinois Poverty

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Name Poverty
Less Than 9th Grade23.45%
High School10.92%
Some College9.49%
Bachelors or Greater3.75%

Iroquois County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed40.21%
Male Unemployed40.05%
Female Employed6.95%
Male Employed6.39%

Iroquois County, Illinois Poverty Rate by Employment Status and Sex

Iroquois County, Illinois Income by Household Type

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Name Median Mean
Households$52,700$65,047
Families$67,162$78,822
Married Families$76,196$88,457
Non Families$29,160$36,419
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Income by Household Type

Iroquois County, Illinois Marital Status

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Marriage Rates

54.5%

Overall Marriage Rate

55.8%

Male Marriage Rate

53.2%

Female Marriage Rate

Iroquois County, Illinois Married by Age and Sex

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Iroquois 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 55-64.

Iroquois County, Illinois Marital Status by Race

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Iroquois County, Illinois Marital Status

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1,753

Number of Veterans

1,652

Male Veterans

101

Female Veterans

War Veterans
Vietnam771
First Gulf War253
Korea173
Second Gulf War142
World War II74

Iroquois County, Illinois Veterans by War

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Age Group Veterans
65 to 74598
75+544
35 to 54334
55 to 64183
18 to 3494

Iroquois County, Illinois Veterans by Age

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Name Veterans % of Total
White1,7028.33%
Hispanic262.18%
2+ Races237.82%
Other Race192.60%
Native American525.00%
Black42.47%

Iroquois County, Illinois Veterans by Race

Iroquois County, Illinois Veterans by Education

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10.34%

Veteran Poverty Rate

36.12%

Veteran Disability Rate

Iroquois County, Illinois Veterans by Education

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60.3%

Labor Force Participation

57.3%

Employment Rate

5%

Unemployment Rate

Iroquois County, Illinois Employment by Age

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Iroquois County, Illinois Employment by Race

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Iroquois 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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81.38%

Born in Iroquois County, Illinois

96.83%

Native Born

3.17%

Foreign Born

1.90%

Non Citizen

1.27%

Naturalized

Place of Birth

96.83% of Iroquois County, Illinois residents were born in the United States, with 81.38% having been born in Illinois. 1.90% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Iroquois 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