Rock Rapids Flag

Rock Rapids

County:
Lyon County
County Seat:
Yes
Area (mi²):
4.209
State:
Iowa

Rock Rapids is a city located in Lyon County, Iowa. Rock Rapids has a 2025 population of 2,770. It is also the county seat of .Rock Rapids is currently growing at a rate of 1.17% annually and its population has increased by 6.17% since the most recent census, which recorded a population of 2,609 in 2020.

The average household income in Rock Rapids is $77,994 with a poverty rate of 5.88%. The median age in Rock Rapids is 42.1 years: 38.3 years for males, and 45.8 years for females.

2.8K
Total Population
658
Density (mi²)
32 1.17%
Growth

Rock Rapids Population

Rock Rapids Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock Rapids includes 91.22% 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)
White2,42091.22%
Two or more races2017.58%
Other race170.64%
Asian80.3%
Black or African American50.19%
Native American20.08%
Native Hawaiian or Pacific Islander00%

Rock Rapids Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Rapids' average per capita income is $48,792. Household income levels show a median of $61,679. The poverty rate stands at 5.88%.

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$94,261-
Families$80,324$92,767
Households$61,679$77,994
Non Families$40,000$47,074

$48,792

Average Income

$61,679

Median Household Income

5.88%

Poverty Rate

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)