Des Moines County, IA Demographics

The total population of Des Moines County is estimated to be 38,824 with 19,118 males (49.24%) and 19,706 females (50.76%). There are 588 more females than males in Des Moines County.
The median household income in Des Moines County was $58,713 in 2021, which marked an an increase of 34(0.06%) from $58,679 in 2020. This income is 78.70% 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, Des Moines County sees its highest median household income among householders in the age group of 45 to 64 years old, at $73,407. Overall, the median household income for the county of Des Moines County stands at $58,713.
In Des Moines County, the median income for all workers aged 15 years and older, regardless of work hours, was $42,772 for males and $25,737 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $59,837 for males and $42,605 for females.
In Des Moines County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Asian households have the highest median household income at $82,251, while Black or African American households represent the opposite end with the lowest median household income of $34,919.
In 2022, the population of Des Moines County was 38,293, a 0.56% decrease year-by-year from 2021. Previously, in 2021, Des Moines County's population was 38,507, a decline of 0.80% compared to a population of 38,816 in 2020.
The median age in Des Moines County, IA is 42.7, as per 2021 ACS 5-Year Estimates. Of the total population, 18.62% were under the age of 15, 17.20% aged 15 to 29, 43.53% aged 30 to 64, 17.19% aged 65 to 84, and 3.46% were 85 years of age and older.
Racial distribution of Des Moines County population: 88.93% are White, 5.97% are Black or African American, 0.12% are American Indian and Alaska Native, 1.09% are Asian, 0% are Native Hawaiian and other Pacific Islander, 0.47% are some other race and 3.42% are multiracial.