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The total population of Rock Valley is estimated to be 4,045 with 1,945 males (48.08%) and 2,100 females (51.92%). There are 155 more females than males in Rock Valley.
The median household income in Rock Valley was $63,921 in 2021, which marked an a decrease of 6,471(9.19%) from $70,392 in 2020. This income is 85.68% 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 Valley sees its highest median household income among householders in the age group of 45 to 64 years old, at $113,608. Overall, the median household income for the city of Rock Valley stands at $63,921.
In Rock Valley, the median income for all workers aged 15 years and older, regardless of work hours, was $49,722 for males and $27,455 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $53,105 for males and $43,087 for females.
In Rock Valley, there are just two different racial groups among households. Among these, White households report a median household income of $65,755, while Two or More Races households have a median household income of $61,171.
In 2022, the population of Rock Valley was 4,076, a 0.39% decrease year-by-year from 2021. Previously, in 2021, Rock Valley's population was 4,092, an increase of 0.52% compared to a population of 4,071 in 2020.
The median age in Rock Valley, IA is 41.3, as per 2021 ACS 5-Year Estimates. Of the total population, 21.85% were under the age of 15, 19.11% aged 15 to 29, 40.37% aged 30 to 64, 14.93% aged 65 to 84, and 3.73% were 85 years of age and older.
Racial distribution of Rock Valley population: 80.69% are White, 3.36% are some other race and 15.95% are multiracial.