Overview
394
Total Population
46.0
Median age
50.76%
Female population %
97:100
Gender ratio (M:F)
35-39 years
Largest age group
62.1
Total dependency ratio
White
Largest racial group
34
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Riverdale's population is old compared to the rest of the country:
- The median age in Riverdale is 46.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Riverdale's population under 18 was 18.02%, compared to the 22.51% nationwide.
- Riverdale's elderly or the senior population (over 65 age) was 25.13% as compared to 16.04% nationwide.
- Of the total population in Riverdale, 13.20% were under the age of 15, 14.72% aged 15 to 29, 46.95% aged 30 to 64, 19.29% aged 65 to 84, and 5.84% were 85 years of age and older.
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Gender
There are 6 more females than males in Riverdale:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.76% females and 49.24% males in Riverdale, IA.
- The Riverdale, IA gender ratio is 97:100 i.e. 97 men to 100 women (0.970).
- For male population, the largest age group is 15-19 years with a population of 18.
- For the female population, the largest age group is 35-39 years with a population of 26.
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Race / Ethnicity
Riverdale's population has become increasingly diverse:
- Racial distribution of Riverdale population: 86.29% are White, 5.33% are Black or African American, 1.52% are Asian and 6.85% are multiracial.
- Riverdale's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 34 is Hispanic or Latino (of any race), and 36 (91.37% of the total population) is Non-Hispanic.
- The largest racial group in Riverdale is White with a population of 34 (86.29% of the total population).
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Year by year
Riverdale's population has already reached its peak and is showing a trend of decline:
- The peak population was 622 in the year 2001
- From 2000 to 2010, Riverdale's population decreased by 229 (37.18%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Riverdale's population decreased by 9 (2.33%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Riverdale's population was lowest in year 2020 at 378.
Read more about Riverdale, IA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)