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The total population of Rock Island is estimated to be 1,259 with 568 males (45.12%) and 691 females (54.88%). There are 123 more females than males in Rock Island.
The median household income in Rock Island was $54,046 in 2021, which marked an a decrease of 3,603(6.25%) from $57,649 in 2020. This income is 72.44% 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 45 to 64 years old, at $72,644. Overall, the median household income for the city of Rock Island stands at $54,046.
In Rock Island, the median income for all workers aged 15 years and older, regardless of work hours, was $34,529 for males and $24,344 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $42,795 for males and $31,977 for females.
In Rock Island, there are just three different racial groups among households. Among these, Some Other Race households report a median household income of $79,549, followed by Two or More Races households at $72,691, and White households with a median household income of $44,068.
In 2022, the population of Rock Island was 1,439, a 5.27% increase year-by-year from 2021. Previously, in 2021, Rock Island's population was 1,367, an increase of 5.97% compared to a population of 1,290 in 2020.
The median age in Rock Island, WA is 29.3, as per 2021 ACS 5-Year Estimates. Of the total population, 25.92% were under the age of 15, 27.06% aged 15 to 29, 37.26% aged 30 to 64, 8.40% aged 65 to 84, and 1.36% were 85 years of age and older.
Racial distribution of Rock Island population: 57.14% are White, 1.44% are Black or African American, 0.29% are American Indian and Alaska Native, 36.32% are some other race and 4.81% are multiracial.