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The total population of Rock Lake township is estimated to be 336 with 181 males (53.87%) and 155 females (46.13%). There are 26 less females than males in Rock Lake township.
The median household income in Rock Lake township was $66,657 in 2021, which marked an an increase of 1,659(2.55%) from $64,998 in 2020. This income is 89.35% 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 Lake township sees its highest median household income among householders in the age group of 45 to 64 years old, at $122,954. Overall, the median household income for the township of Rock Lake township stands at $66,657.
In Rock Lake township, the median income for all workers aged 15 years and older, regardless of work hours, was $38,170 for males and $47,290 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $47,560 for males and $52,694 for females.
In Rock Lake township, population is primarily represented by White households, reporting a median income of $65,981.
In 2022, the population of Rock Lake township was 278, a 0.71% decrease year-by-year from 2021. Previously, in 2021, Rock Lake township's population was 280, an increase of 1.08% compared to a population of 277 in 2020.
The median age in Rock Lake Township, Minnesota is 34.8, as per 2021 ACS 5-Year Estimates. Of the total population, 21.10% were under the age of 15, 7.14% aged 15 to 29, 55.84% aged 30 to 64, 15.26% aged 65 to 84, and 0.65% were 85 years of age and older.
Racial distribution of Rock Lake township population: 98.38% are White and 1.62% are some other race.