Marion County, KS Demographics

The total population of Marion County is estimated to be 11,867 with 5,993 males (50.50%) and 5,874 females (49.50%). There are 119 less females than males in Marion County.
The median household income in Marion County was $59,103 in 2021, which marked an an increase of 1,521(2.64%) from $57,582 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, Marion County sees its highest median household income among householders in the age group of 45 to 64 years old, at $69,396. Overall, the median household income for the county of Marion County stands at $59,103.
In Marion County, the median income for all workers aged 15 years and older, regardless of work hours, was $38,592 for males and $20,983 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $52,885 for males and $42,758 for females.
In Marion County, there are just two different racial groups among households. Among these, White households report a median household income of $59,564, while Two or More Races households have a median household income of $36,751.
In 2022, the population of Marion County was 11,868, a 0.95% increase year-by-year from 2021. Previously, in 2021, Marion County's population was 11,756, a decline of 0.19% compared to a population of 11,778 in 2020.
The median age in Marion County, KS is 44.1, as per 2021 ACS 5-Year Estimates. Of the total population, 17.39% were under the age of 15, 18.79% aged 15 to 29, 40.81% aged 30 to 64, 19.76% aged 65 to 84, and 3.25% were 85 years of age and older.
Racial distribution of Marion County population: 94.54% are White, 0.99% are Black or African American, 0.22% are American Indian and Alaska Native, 0.62% are Asian, 0.50% are some other race and 3.13% are multiracial.