Overview
4,085
Total Population
45.0
Median age
46.44%
Female population %
115.3:100
Gender ratio (M:F)
55-59 years
Largest age group
43.9
Total dependency ratio
White
Largest racial group
44
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Columbus township's population is old compared to the rest of the country:
- The median age in Columbus township is 45.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Columbus township's population under 18 was 19.58%, compared to the 22.51% nationwide.
- Columbus township's elderly or the senior population (over 65 age) was 13.93% as compared to 16.04% nationwide.
- Of the total population in Columbus township, 16.57% were under the age of 15, 18.87% aged 15 to 29, 50.62% aged 30 to 64, 13.54% aged 65 to 84, and 0.39% were 85 years of age and older.

Read more about Columbus township, St. Clair County, Michigan population by age ➔
Gender
There are 291 less females than males in Columbus township:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.44% females and 53.56% males in Columbus township, St. Clair County, Michigan.
- The Columbus township, St. Clair County, Michigan gender ratio is 115.3:100 i.e. 115.3 men to 100 women (1.153).
- For male population, the largest age group is 60-64 years with a population of 246.
- For the female population, the largest age group is 55-59 years with a population of 278.

Read more about Columbus township, St. Clair County, Michigan population by gender ➔
Race / Ethnicity
Columbus township's population has become increasingly diverse:
- Racial distribution of Columbus township population: 95.06% are White, 1.08% are some other race and 3.87% are multiracial.
- Columbus township's racial breakdown clearly shows that there is an absolute majority of White population in the township.
- By ethnicity, 44 is Hispanic or Latino (of any race), and 4,041 (98.92% of the total population) is Non-Hispanic.
- The largest racial group in Columbus township is White with a population of 3,883 (95.06% of the total population).

Read more about Columbus township, St. Clair County, Michigan population by race ➔
Year by year
Columbus township's population has already reached its peak and is showing a trend of decline:
- The peak population was 4,760 in the year 2004
- From 2000 to 2010, Columbus township's population decreased by 542 (11.77%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Columbus township's population increased by 48 (1.18%), 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, Columbus township's population was lowest in year 2015 at 4,004.

Read more about Columbus township, St. Clair County, Michigan 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)