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The total population of Rock River township is estimated to be 1,097 with 545 males (49.68%) and 552 females (50.32%). There are 7 more females than males in Rock River township.
The median household income in Rock River township was $59,101 in 2021, which marked an a decrease of 2,132(3.48%) from $61,233 in 2020. This income is 79.22% 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 River township sees its highest median household income among householders in the age group of 25 to 44 years old, at $77,015. Overall, the median household income for the township of Rock River township stands at $59,101.
In Rock River township, the median income for all workers aged 15 years and older, regardless of work hours, was $34,969 for males and $26,273 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $40,657 for males and $39,391 for females.
In Rock River township, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $86,718, while White households have a median household income of $59,015.
In 2022, the population of Rock River township was 1,248, a 0.08% decrease year-by-year from 2021. Previously, in 2021, Rock River township's population was 1,249, an increase of 0.48% compared to a population of 1,243 in 2020.
The median age in Rock River Township, Michigan is 50.4, as per 2021 ACS 5-Year Estimates. Of the total population, 17.39% were under the age of 15, 8.44% aged 15 to 29, 52.26% aged 30 to 64, 20.00% aged 65 to 84, and 1.91% were 85 years of age and older.
Racial distribution of Rock River township population: 97.59% are White, 0.30% are Black or African American and 2.11% are multiracial.