Rock Flag

Rock

County:
Lyon County
County Seat:
No
Area (mi²):
35.578
State:
Iowa

Rock is located in Lyon County, Iowa. Rock has a 2025 population of 3,241 . Rock is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Rock is $80,541 with a poverty rate of 4.65%. The median age in Rock is 36.8 years: 30 years for males, and 38.8 years for females. For every 100 females there are 110.3 males.

3.2K
Total Population
91
Density (mi²)

Rock Population

Rock Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock includes 92.81% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.

Population by Race

White (92.81%)

Two or more races (6.2%)

Other race (0.52%)

Asian (0.25%)

Black or African American (0.15%)

Native American (0.06%)

Race
Population
Percentage (of total)
White3,00892.81%
Two or more races2016.2%
Other race170.52%
Asian80.25%
Black or African American50.15%
Native American20.06%

Rock Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock's average per capita income is $49,570. Household income levels show a median of $68,750. The poverty rate stands at 4.65%.

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$86,577-
Families$80,313$93,916
Households$68,750$80,541
Non Families$32,036$45,826

$49,570

Average Income

$68,750

Median Household Income

4.65%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)