Overview
549
Total Population
51.5
Median age
55.01%
Female population %
81.8:100
Gender ratio (M:F)
60-64 years
Largest age group
62.9
Total dependency ratio
White
Largest racial group
Zero
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Delhi's population is old compared to the rest of the country:
- The median age in Delhi is 51.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Delhi's population under 18 was 18.21%, compared to the 22.51% nationwide.
- Delhi's elderly or the senior population (over 65 age) was 22.77% as compared to 16.04% nationwide.
- Of the total population in Delhi, 15.85% were under the age of 15, 14.03% aged 15 to 29, 47.36% aged 30 to 64, 19.31% aged 65 to 84, and 3.46% were 85 years of age and older.

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Gender
There are 55 more females than males in Delhi:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 55.01% females and 44.99% males in Delhi, IA.
- The Delhi, IA gender ratio is 81.8:100 i.e. 81.8 men to 100 women (0.818).
- For male population, the largest age group is 25-29 years with a population of 37.
- For the female population, the largest age group is 60-64 years with a population of 37.

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Race / Ethnicity
Delhi's population is not that diverse:
- Racial distribution of Delhi population: 99.45% are White and 0.55% are Black or African American.
- Delhi's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, Zero is Hispanic or Latino (of any race), and 549 (100% of the total population) is Non-Hispanic.
- The largest racial group in Delhi is White with a population of 546 (99.45% of the total population).

Read more about Delhi, IA population by race ➔
Year by year
Delhi's population has already reached its peak and is showing a trend of decline:
- The peak population was 503 in the year 2004
- From 2000 to 2010, Delhi's population increased by 1 (0.22%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Delhi's population decreased by 44 (9.57%), 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, Delhi's population was lowest in year 2020 at 416.

Read more about Delhi, 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)