Clay County, MO Demographics

The total population of Clay County is estimated to be 253,085 with 125,225 males (49.48%) and 127,860 females (50.52%). There are 2,635 more females than males in Clay County.
The median household income in Clay County was $81,713 in 2021, which marked an an increase of 74(0.09%) from $81,639 in 2020. This income is 109.53% 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, Clay County sees its highest median household income among householders in the age group of 45 to 64 years old, at $89,939. Overall, the median household income for the county of Clay County stands at $77,612.
In Clay County, the median income for all workers aged 15 years and older, regardless of work hours, was $51,954 for males and $35,592 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $64,763 for males and $53,092 for females.
In Clay County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, American Indian and Alaska Native households have the highest median household income at $118,633, while Black or African American households represent the opposite end with the lowest median household income of $52,342.
In 2022, the population of Clay County was 257,033, a 0.46% increase year-by-year from 2021. Previously, in 2021, Clay County's population was 255,860, an increase of 0.69% compared to a population of 254,112 in 2020.
The median age in Clay County, MO is 37.4, as per 2021 ACS 5-Year Estimates. Of the total population, 20.00% were under the age of 15, 19.18% aged 15 to 29, 46.64% aged 30 to 64, 12.70% aged 65 to 84, and 1.48% were 85 years of age and older.
Racial distribution of Clay County population: 82.66% are White, 6.26% are Black or African American, 0.38% are American Indian and Alaska Native, 2.14% are Asian, 0.27% are Native Hawaiian and other Pacific Islander, 2.13% are some other race and 6.16% are multiracial.