by Calculated Risk on 4/15/2025 08:11:00 AM

Eleven years ago, I wrote: Census Bureau: Largest 5-year Population Cohort is now the "20 to 24" Age Group.  Those people are now in the 30 to 34 cohort.

This month the Census Bureau released the population estimates for July 2024 by age, and I've updated the table from the previous posts.

The table below shows the top 10 cohorts by size for 2010, 2024 (just released), and the most recent Census Bureau projections for 2030.

In 2024, the top 6 cohorts were under 45 (the Boomers are fading away), and by 2030 the top 7 cohorts will be under 50.  Note: This is using the 2023 projections main series.  

There will be plenty of "gray hairs" walking around in 2030, but the key for the economy is the large cohorts in the prime working age.

As I noted in 2014, demographics were positive for apartments, and more recently positive for homeownership.

Population: Largest 5-Year Cohorts by Year
Largest Cohorts	2010	2024	2030
1	45 to 49 years	30 to 34 years	35 to 39 years
2	50 to 54 years	35 to 39 years	30 to 34 years
3	15 to 19 years	25 to 29 years	25 to 29 years
4	20 to 24 years	20 to 24 years	40 to 44 years
5	25 to 29 years	15 to 19 years	20 to 24 years
6	40 to 44 years	40 to 44 years	45 to 49 years
7	10 to 14 years	60 to 64 years	15 to 19 years
8	5 to 9 years	10 to 14 years	50 to 54 years
9	Under 5 years	50 to 54 years	65 to 69 years
10	35 to 39 years	55 to 59 years	10 to 14 years

Click on graph for larger image.

This graph, based on the 2024 population estimate, shows the U.S. population by age in July 2024 according to the Census Bureau.

Note that the largest age group is in the early-to-mid 30s.  There are still a number of younger Boomers in their early-to-mid 60s.

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