Lyon County Flag

Lyon County

State:
Iowa
County Seat:
Rock Rapids

Lyon County's estimated 2025 population is 12,618 with a growth rate of 1.18% in the past year according to the most recent United States census data. Lyon County is the 59th largest county in Iowa. The 2010 population was 11,569 and has seen a growth of 9.07% since that time.

12,618
Total Population
21
Population Density (miĀ²)
59
Population Rank (State)
147 1.18%
Annual Population Growth

Lyon County Population

Lyon County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lyon County includes 94.56% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White11,42994.56%
Two or more races4303.56%
Other race1321.09%
Asian540.45%
Black or African American360.3%
Native American60.05%
Native Hawaiian or Pacific Islander00%

Lyon County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lyon County's average per capita income is $47,628. Household income levels show a median of $72,881. The poverty rate stands at 5.33%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$93,816-
Families$88,125$103,893
Households$72,881$89,389
Non Families$39,514$50,559

$47,628

Average Income

$72,881

Median Household Income

5.33%

Poverty Rate