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The total population of St. Louis County is estimated to be 999,703 with 478,717 males (47.89%) and 520,986 females (52.11%). There are 42,269 more females than males in St. Louis County.
The median household income in St. Louis County was $78,433 in 2021, which marked an an increase of 630(0.81%) from $77,803 in 2020. This income is 105.13% 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, St. Louis County sees its highest median household income among householders in the age group of 45 to 64 years old, at $100,734. Overall, the median household income for the county of St. Louis County stands at $79,440.
In St. Louis County, the median income for all workers aged 15 years and older, regardless of work hours, was $51,743 for males and $36,103 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $71,460 for males and $55,117 for females.
In St. Louis County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $107,266, while Black or African American households represent the opposite end with the lowest median household income of $50,269.
In 2022, the population of St. Louis County was 990,414, a 0.78% decrease year-by-year from 2021. Previously, in 2021, St. Louis County's population was 998,227, a decline of 0.48% compared to a population of 1,003,056 in 2020.
The median age in St. Louis County, MO is 40.3, as per 2021 ACS 5-Year Estimates. Of the total population, 18.28% were under the age of 15, 18.69% aged 15 to 29, 45.00% aged 30 to 64, 15.55% aged 65 to 84, and 2.49% were 85 years of age and older.
Racial distribution of St. Louis County population: 65.25% are White, 24.18% are Black or African American, 0.11% are American Indian and Alaska Native, 4.55% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 1.23% are some other race and 4.67% are multiracial.