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The total population of Rock City is estimated to be 338 with 178 males (52.66%) and 160 females (47.34%). There are 18 less females than males in Rock City.
The median household income in Rock City was $59,113 in 2021, which marked an an increase of 2,739(4.86%) from $56,374 in 2020. This income is 79.23% 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 City sees its highest median household income among householders in the age group of 45 to 64 years old, at $63,504. Overall, the median household income for the village of Rock City stands at $59,113.
In Rock City, the median income for all workers aged 15 years and older, regardless of work hours, was $37,607 for males and $29,500 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $54,046 for males and $43,236 for females.
In Rock City, population is primarily represented by White households, reporting a median income of $58,775.
In 2022, the population of Rock City was 290, a 1.02% decrease year-by-year from 2021. Previously, in 2021, Rock City's population was 293, a decline of 0.68% compared to a population of 295 in 2020.
The median age in Rock City, IL is 40.0, as per 2021 ACS 5-Year Estimates. Of the total population, 20.00% were under the age of 15, 18.73% aged 15 to 29, 45.71% aged 30 to 64, 14.29% aged 65 to 84, and 1.27% were 85 years of age and older.
Racial distribution of Rock City population: 95.24% are White, 2.22% are American Indian and Alaska Native and 2.54% are multiracial.