Lyon County's estimated 2026 population is 32,181 with a growth rate of -0.26% in the past year according to the most recent United States census data. Lyon County is the 18th largest county in Kansas. The 2010 population was 33,647 and has seen a growth of -4.36% since that time.
Data after 2023 is projected based on recent change
Overall: 33.1 years
Female: 33.1 years
Male: 33 years
There are 25,053 adults, (5,196 of whom are seniors) in Lyon County.
Female: 16,421 (51%)
Male: 15,765 (49%)
The racial composition of Lyon County includes 71.54% White, 5.34% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 23,027 | 71.54% |
| Two or more races | 6,169 | 19.17% |
| Other race | 1,720 | 5.34% |
| Asian | 665 | 2.07% |
| Black or African American | 452 | 1.4% |
| Native American | 149 | 0.46% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Lyon County's average per capita income is $39,724. Household income levels show a median of $59,912. The poverty rate stands at 14.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,281 | $98,329 |
| Families | $72,956 | $90,408 |
| Households | $59,912 | $72,670 |
| Non Families | $37,790 | $44,907 |
Average Income
Median Household Income
Poverty Rate