Overview
7,516
Total Population
43.2
Median age
46.38%
Female population %
115.6:100
Gender ratio (M:F)
55-59 years
Largest age group
56.8
Total dependency ratio
White
Largest racial group
142
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Iron Mountain's population is old compared to the rest of the country:
- The median age in Iron Mountain is 43.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Iron Mountain's population under 18 was 19.61%, compared to the 22.51% nationwide.
- Iron Mountain's elderly or the senior population (over 65 age) was 19.53% as compared to 16.04% nationwide.
- Of the total population in Iron Mountain, 16.68% were under the age of 15, 15.70% aged 15 to 29, 48.08% aged 30 to 64, 15.75% aged 65 to 84, and 3.78% were 85 years of age and older.

Read more about Iron Mountain, MI population by age ➔
Gender
There are 544 less females than males in Iron Mountain:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.38% females and 53.62% males in Iron Mountain, MI.
- The Iron Mountain, MI gender ratio is 115.6:100 i.e. 115.6 men to 100 women (1.156).
- For male population, the largest age group is 25-29 years with a population of 416.
- For the female population, the largest age group is 55-59 years with a population of 349.

Read more about Iron Mountain, MI population by gender ➔
Race / Ethnicity
Iron Mountain's population has become increasingly diverse:
- Racial distribution of Iron Mountain population: 93.96% are White, 1.45% are Black or African American, 1.72% are American Indian and Alaska Native, 0.84% are Asian, 0.29% are some other race and 1.74% are multiracial.
- Iron Mountain's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 142 is Hispanic or Latino (of any race), and 7,374 (98.11% of the total population) is Non-Hispanic.
- The largest racial group in Iron Mountain is White with a population of 7,062 (93.96% of the total population).

Read more about Iron Mountain, MI population by race ➔
Year by year
Iron Mountain's population has already reached its peak and is showing a trend of decline:
- The peak population was 8,156 in the year 2000
- From 2000 to 2010, Iron Mountain's population decreased by 526 (6.45%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Iron Mountain's population decreased by 127 (1.66%), 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, Iron Mountain's population was lowest in year 2019 at 7,337.

Read more about Iron Mountain, MI 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)