Rock Island County, Illinois Population 2022

Rock Island County, Illinois's estimated population is with a growth rate of -0.20% in the past year according to the most recent United States census data. Rock Island County, Illinois is the 14th largest county in Illinois. The 2010 population was and has seen a growth of -2.34% since this time.

Note: 2021 and 2022 data is projected

Rock Island County, Illinois Population 2022

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Rock Island County, Illinois Population Growth

Population by Race

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Rock Island County, Illinois Population by Race

Rock Island County, Illinois Population Pyramid 2022

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Rock Island County, Illinois Median Age

40.1


Total

38.8


Male

41.7


Female

Rock Island County, Illinois Adults

There are 110,967 adults, (27,463 of whom are seniors) in Rock Island County, Illinois.

Rock Island County, Illinois Age Dependency

Age Dependency Ratio

32.9

Old Age Dependency Ratio

38.1

Child Dependency Ratio

Rock Island County, Illinois Sex Ratio

Female

72,422

50.72%

Male

70,379

49.28%

Rock Island County, Illinois Population by Age

Rock Island County, Illinois Renter vs Owner Occupied by Household Type

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Rock Island County, Illinois Household Types

67.9%

Rate of Home Ownership

Rock Island County, Illinois Households and Families

2.91

Average Family Size

2.28

Average Household Size

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Rock Island County, Illinois Households by Type

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Rock Island County, Illinois Educational Attainment by Sex (over 25)

Rock Island County, Illinois Educational Attainment by Race

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The highest rate of high school graduation is among white people with a rate of 92.92%.

The highest rate of bachelors degrees is among asian people with a rate of 44.98%.

Rock Island County, Illinois Educational Attainment by Race

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$38,999

Average Earnings

$47,163

Average Male

$31,821

Average Female

Rock Island County, Illinois Earnings by Educational Attainment

Rock Island County, Illinois Language by Age

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Rock Island County, Illinois Language

86.72% of Rock Island County, Illinois residents speak only English, while 13.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.92% of the population.

Rock Island County, Illinois Language

Rock Island County, Illinois Poverty by Race

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14.36%

Overall Poverty Rate

13.67%

Male Poverty Rate

15.02%

Female Poverty Rate

Poverty in Rock Island County, Illinois

The race most likely to be in poverty in Rock Island County, Illinois is Black, with 31.49% below the poverty level.

The race least likely to be in poverty in Rock Island 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 2.74%. Among those working part-time, it was 18.33%, and for those that did not work, the poverty rate was 18.86%.

Rock Island County, Illinois Poverty

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Rock Island County, Illinois Poverty Rate by Education

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Rock Island County, Illinois Poverty Rate by Employment Status and Sex

Rock Island County, Illinois Income by Household Type

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Income by Household Type

Rock Island County, Illinois Marital Status

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Marriage Rates

49.1%

Overall Marriage Rate

50.4%

Male Marriage Rate

47.9%

Female Marriage Rate

Rock Island County, Illinois Married by Age and Sex

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Rock Island 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.

Rock Island County, Illinois Marital Status by Race

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Rock Island County, Illinois Marital Status

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8,835

Number of Veterans

Male Veterans

Female Veterans

Rock Island County, Illinois Veterans by War

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Rock Island County, Illinois Veterans by Age

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Rock Island County, Illinois Veterans by Race

Rock Island County, Illinois Veterans by Education

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8.33%

Veteran Poverty Rate

25.37%

Veteran Disability Rate

Rock Island County, Illinois Veterans by Education

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62%

Labor Force Participation

58.3%

Employment Rate

5.8%

Unemployment Rate

Rock Island County, Illinois Employment by Age

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Rock Island County, Illinois Employment by Race

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Rock Island 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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63.90%

Born in Rock Island County, Illinois

92.15%

Native Born

7.85%

Foreign Born

4.60%

Non Citizen

3.24%

Naturalized

Place of Birth

92.15% of Rock Island County, Illinois residents were born in the United States, with 63.90% having been born in Illinois. 4.60% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Rock Island County, Illinois Place of Birth

Sources