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.
Rate of Home Ownership
Average Family Size
Average Household Size
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%.
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.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
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%.
Overall Marriage Rate
Male Marriage Rate
Female Marriage Rate
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.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Rock Island County, Illinois
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.