Overview
2,783
Total Population
39.5
Median age
54.37%
Female population %
83.9:100
Gender ratio (M:F)
10-14 years
Largest age group
77.9
Total dependency ratio
White
Largest racial group
19
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Grundy Center's population is old compared to the rest of the country:
- The median age in Grundy Center is 39.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Grundy Center's population under 18 was 28.17%, compared to the 22.51% nationwide.
- Grundy Center's elderly or the senior population (over 65 age) was 21.06% as compared to 16.04% nationwide.
- Of the total population in Grundy Center, 22.75% were under the age of 15, 13.76% aged 15 to 29, 42.44% aged 30 to 64, 17.68% aged 65 to 84, and 3.38% were 85 years of age and older.

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Gender
There are 243 more females than males in Grundy Center:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 54.37% females and 45.63% males in Grundy Center, IA.
- The Grundy Center, IA gender ratio is 83.9:100 i.e. 83.9 men to 100 women (0.839).
- For male population, the largest age group is 40-44 years with a population of 125.
- For the female population, the largest age group is 10-14 years with a population of 172.

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Race / Ethnicity
Grundy Center's population is moderately diverse:
- Racial distribution of Grundy Center population: 97.45% are White, 0.83% are Asian, 1.40% are some other race and 0.32% are multiracial.
- Grundy Center's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 19 is Hispanic or Latino (of any race), and 2,764 (99.32% of the total population) is Non-Hispanic.
- The largest racial group in Grundy Center is White with a population of 2,712 (97.45% of the total population).

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Year by year
Grundy Center's population has already reached its peak and is showing a trend of decline:
- The peak population was 2,812 in the year 2021
- From 2000 to 2010, Grundy Center's population increased by 108 (4.16%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Grundy Center's population increased by 96 (3.55%), 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, Grundy Center's population was lowest in year 2008 at 2,511.

Read more about Grundy Center, 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)