Rock Rapids is a city located in Lyon County Iowa. Rock Rapids has a 2024 population of 2,741. It is also the county seat of Lyon County. Rock Rapids is currently growing at a rate of 1.26% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 2,607 in 2020.
The average household income in Rock Rapids is $81,589 with a poverty rate of 2.42%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Rock Rapids is 40.6 years, 36.1 years for males, and 44.7 years for females.
According to the most recent ACS, the racial composition of Rock Rapids was:
White
Two or more races
Other race
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 950 | 2.66 | 78.8 | 21.2 |
| Married | 548 | 3.26 | 94.3 | 5.7 |
| Non Family | 281 | 1.21 | 49.5 | 50.5 |
| Male | 63 | 3.3 | 100 | 0 |
| Female | 58 | 3.33 | 51.7 | 48.3 |
3.26
Average Family Size
2.66
Average Household Size
78.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 22.43%.
All
Male
Female
$48,343
Average Earnings
$54,485
Average Male
$37,500
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.7% of Rock Rapids residents speak only English, while 2.3% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.63% of the population.
rate
2.42%
Overall Poverty Rate
1.37%
Male Poverty Rate
3.68%
Female Poverty Rate
The race most likely to be in poverty in Rock Rapids is White, with 2.61% below the poverty level.
The race least likely to be in poverty in Rock Rapids is White, with 2.61% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.32%. Among those working part-time, it was 2.06%, and for those that did not work, the poverty rate was 8.66%.
Married
Widowed
Divorced
Separated
NeverMarried
57.8%
Overall Marriage Rate
57.0%
Male Marriage Rate
58.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
30.43%
Veteran Disability Rate
LaborForceParticipation
63.1%
Labor Force Participation
60.5%
Employment Rate
4.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
61.73%
Born in Rock Rapids
97.38%
Native Born
2.62%
Foreign Born
1.98%
Non Citizen
0.65%
Naturalized
97.38% of Rock Rapids residents were born in the United States, with 61.73% having been born in Iowa. 1.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 2,908 | 33 | 1.15% |
| 2028 | 2,875 | 34 | 1.2% |
| 2027 | 2,841 | 33 | 1.18% |
| 2026 | 2,808 | 34 | 1.23% |
| 2025 | 2,774 | 33 | 1.2% |
| 2024 | 2,741 | 34 | 1.26% |
| 2023 | 2,707 | 33 | 1.23% |
| 2022 | 2,674 | 30 | 1.13% |
| 2021 | 2,644 | 37 | 1.42% |
| 2020 | 2,607 | 76 | 3% |
| 2019 | 2,531 | -23 | -0.9% |
| 2018 | 2,554 | 6 | 0.24% |
| 2017 | 2,548 | -8 | -0.31% |
| 2016 | 2,556 | -14 | -0.54% |
| 2015 | 2,570 | 9 | 0.35% |
| 2014 | 2,561 | 0 | 0% |
| 2013 | 2,561 | -10 | -0.39% |
| 2012 | 2,571 | 4 | 0.16% |
| 2011 | 2,567 | 23 | 0.9% |
| 2010 | 2,544 | -29 | -1.13% |
| 2000 | 2,573 | -28 | -1.08% |
| 1990 | 2,601 | -92 | -3.42% |
| 1980 | 2,693 | 61 | 2.32% |
| 1970 | 2,632 | -148 | -5.32% |
| 1960 | 2,780 | 140 | 5.3% |
| 1950 | 2,640 | 84 | 3.29% |
| 1940 | 2,556 | 0 | 0% |