Lyon County, IA Demographics

The total population of Lyon County is estimated to be 12,023 with 6,161 males (51.24%) and 5,862 females (48.76%). There are 299 less females than males in Lyon County.
The median household income in Lyon County was $74,705 in 2021, which marked an a decrease of 36(0.05%) from $74,741 in 2020. This income is 100.13% 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, Lyon County sees its highest median household income among householders in the age group of 25 to 44 years old, at $89,344. Overall, the median household income for the county of Lyon County stands at $74,705.
In Lyon County, the median income for all workers aged 15 years and older, regardless of work hours, was $48,395 for males and $27,816 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $59,302 for males and $46,034 for females.
In Lyon County, there are just three different racial groups among households. Among these, White households report a median household income of $75,388, followed by American Indian and Alaska Native households at $41,210, and Two or More Races households with a median household income of $39,287.
In 2022, the population of Lyon County was 12,179, a 0.98% increase year-by-year from 2021. Previously, in 2021, Lyon County's population was 12,061, an increase of 1.12% compared to a population of 11,927 in 2020.
The median age in Lyon County, IA is 37.9, as per 2021 ACS 5-Year Estimates. Of the total population, 23.43% were under the age of 15, 17.36% aged 15 to 29, 41.03% aged 30 to 64, 15.14% aged 65 to 84, and 3.05% were 85 years of age and older.
Racial distribution of Lyon County population: 95.85% are White, 0.14% are Black or African American, 0.33% are American Indian and Alaska Native, 0.60% are Asian, 0.15% are Native Hawaiian and other Pacific Islander, 0.87% are some other race and 2.05% are multiracial.