Overview
908
Total Population
48.7
Median age
53.85%
Female population %
85.7:100
Gender ratio (M:F)
60-64 years
Largest age group
61.0
Total dependency ratio
White
Largest racial group
32
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Shellsburg's population is old compared to the rest of the country:
- The median age in Shellsburg is 48.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Shellsburg's population under 18 was 18.28%, compared to the 22.51% nationwide.
- Shellsburg's elderly or the senior population (over 65 age) was 21.15% as compared to 16.04% nationwide.
- Of the total population in Shellsburg, 16.74% were under the age of 15, 13.55% aged 15 to 29, 48.57% aged 30 to 64, 17.51% aged 65 to 84, and 3.63% were 85 years of age and older.

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Gender
There are 70 more females than males in Shellsburg:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.85% females and 46.15% males in Shellsburg, IA.
- The Shellsburg, IA gender ratio is 85.7:100 i.e. 85.7 men to 100 women (0.857).
- For male population, the largest age group is 40-44 years with a population of 40.
- For the female population, the largest age group is 60-64 years with a population of 71.

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Race / Ethnicity
Shellsburg's population is moderately diverse:
- Racial distribution of Shellsburg population: 96.81% are White and 3.19% are multiracial.
- Shellsburg's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 32 is Hispanic or Latino (of any race), and 876 (96.48% of the total population) is Non-Hispanic.
- The largest racial group in Shellsburg is White with a population of 879 (96.81% of the total population).

Read more about Shellsburg, IA population by race ➔
Year by year
Shellsburg's population has already reached its peak and is showing a trend of decline:
- The peak population was 1,004 in the year 2009
- From 2000 to 2010, Shellsburg's population increased by 72 (7.82%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Shellsburg's population decreased by 30 (3.02%), 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, Shellsburg's population was lowest in year 2000 at 921.

Read more about Shellsburg, 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)