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The total population of Rock Island is estimated to be 37,264 with 18,464 males (49.55%) and 18,800 females (50.45%). There are 336 more females than males in Rock Island.
The median household income in Rock Island was $55,089 in 2021, which marked an an increase of 562(1.03%) from $54,527 in 2020. This income is 73.84% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Rock Island sees its highest median household income among householders in the age group of 25 to 44 years old, at $57,990. Overall, the median household income for the city of Rock Island stands at $55,089.
In Rock Island, the median income for all workers aged 15 years and older, regardless of work hours, was $33,689 for males and $24,738 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $53,929 for males and $43,207 for females.
In Rock Island, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Some Other Race households have the highest median household income at $63,954, while Black or African American households represent the opposite end with the lowest median household income of $30,247.
In 2022, the population of Rock Island was 36,256, a 0.95% decrease year-by-year from 2021. Previously, in 2021, Rock Island's population was 36,602, a decline of 1.11% compared to a population of 37,013 in 2020.
The median age in Rock Island, IL is 35.4, as per 2021 ACS 5-Year Estimates. Of the total population, 18.43% were under the age of 15, 24.15% aged 15 to 29, 40.42% aged 30 to 64, 14.48% aged 65 to 84, and 2.52% were 85 years of age and older.
Racial distribution of Rock Island population: 67.83% are White, 18.94% are Black or African American, 0.38% are American Indian and Alaska Native, 4.58% are Asian, 0.49% are Native Hawaiian and other Pacific Islander, 2.26% are some other race and 5.51% are multiracial.