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The total population of Oak Grove is estimated to be 353 with 182 males (51.56%) and 171 females (48.44%). There are 11 less females than males in Oak Grove.
The median household income in Oak Grove was $31,752 in 2021, which marked an a decrease of 1,298(3.93%) from $33,050 in 2020. This income is 42.56% 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, Oak Grove sees its highest median household income among householders in the age group of 65 years and over old, at $41,885. Overall, the median household income for the village of Oak Grove stands at $31,752.
In Oak Grove, the median income for all workers aged 15 years and older, regardless of work hours, was $30,401 for males and $23,338 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $37,208 for males and $29,185 for females.
In Oak Grove, population is primarily represented by White households, reporting a median income of $33,103.
In 2022, the population of Oak Grove was 468, a 0.64% decrease year-by-year from 2021. Previously, in 2021, Oak Grove's population was 471, a decline of 0.63% compared to a population of 474 in 2020.
The median age in Oak Grove, IL is 48.1, as per 2021 ACS 5-Year Estimates. Of the total population, 22.38% were under the age of 15, 12.90% aged 15 to 29, 43.31% aged 30 to 64, 20.92% aged 65 to 84, and 0.49% were 85 years of age and older.
Racial distribution of Oak Grove population: 98.78% are White, 0.73% are American Indian and Alaska Native and 0.49% are multiracial.