Clayton County, IA Demographics

The total population of Clayton County is estimated to be 17,123 with 8,663 males (50.59%) and 8,460 females (49.41%). There are 203 less females than males in Clayton County.
The median household income in Clayton County was $62,853 in 2021, which marked an a decrease of 1,120(1.75%) from $63,973 in 2020. This income is 84.25% 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, Clayton County sees its highest median household income among householders in the age group of 25 to 44 years old, at $89,487. Overall, the median household income for the county of Clayton County stands at $62,853.
In Clayton County, the median income for all workers aged 15 years and older, regardless of work hours, was $42,878 for males and $27,368 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,624 for males and $40,867 for females.
In Clayton County, population is primarily represented by White households, reporting a median income of $63,467.
In 2022, the population of Clayton County was 17,027, a 0.12% decrease year-by-year from 2021. Previously, in 2021, Clayton County's population was 17,047, an increase of 0.10% compared to a population of 17,030 in 2020.
The median age in Clayton County, IA is 47.1, as per 2021 ACS 5-Year Estimates. Of the total population, 18.13% were under the age of 15, 15.40% aged 15 to 29, 43.10% aged 30 to 64, 19.52% aged 65 to 84, and 3.85% were 85 years of age and older.
Racial distribution of Clayton County population: 96.63% are White, 0.29% are Black or African American, 0.08% are American Indian and Alaska Native, 0.31% are Asian, 0.41% are some other race and 2.29% are multiracial.