Lyon County's estimated 2025 population is 32,454 with a growth rate of 0.44% 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 -3.55% since that time.
Data after 2023 is projected based on recent change
The racial composition of Lyon County includes 75.01% White, 3.98% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (75.0%)
Two or more races (17.3%)
Other race (4.0%)
Asian (1.8%)
Black or African American (1.6%)
Native American (0.4%)
Native Hawaiian or Pacific Islander (0.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 24,112 | 75.01% |
| Two or more races | 5,561 | 17.3% |
| Other race | 1,278 | 3.98% |
| Asian | 571 | 1.78% |
| Black or African American | 509 | 1.58% |
| Native American | 112 | 0.35% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Lyon County's average per capita income is $39,138. Household income levels show a median of $59,078. The poverty rate stands at 15.16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,155 | - |
| Families | $77,542 | $90,314 |
| Households | $59,078 | $72,659 |
| Non Families | $37,624 | $42,674 |
Average Income
Median Household Income
Poverty Rate
