District of Columbia, DC population age distributions
A complete breakdown of District of Columbia's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 40,916 | 6.09% |
| 5 to 9 years | 35,464 | 5.28% |
| 10 to 14 years | 33,210 | 4.94% |
| 15 to 19 years | 33,530 | 4.99% |
| 20 to 24 years | 44,553 | 6.63% |
| 25 to 29 years | 73,370 | 10.92% |
| 30 to 34 years | 76,902 | 11.44% |
| 35 to 39 years | 61,955 | 9.22% |
| 40 to 44 years | 48,582 | 7.23% |
| 45 to 49 years | 37,017 | 5.51% |
| 50 to 54 years | 34,932 | 5.2% |
| 55 to 59 years | 33,129 | 4.93% |
| 60 to 64 years | 33,018 | 4.91% |
| 65 to 69 years | 27,950 | 4.16% |
| 70 to 74 years | 22,056 | 3.28% |
| 75 to 79 years | 15,576 | 2.32% |
| 80 to 84 years | 10,060 | 1.5% |
| 85 years and over | 9,859 | 1.47% |
TABLE OF CONTENTS
District of Columbia, DC population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
District of Columbia, DC population by age group.
The largest age group is 30 to 34 years with a population of 76,902 (11.44% of the total population).
The largest age group in District of Columbia, DC was for the group of age 30 to 34 years with a population of 76,902 (11.44%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in District of Columbia, DC was the 85 years and over with a population of 9,859 (1.47%).
District of Columbia, DC population by age cohort
To better understand the age distribution of District of Columbia, DC's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
District of Columbia, DC population by age cohort
The largest age group was 18 to 64 years with a population of 460,903 (68.58% of the total population).
District of Columbia, DC population by age cohort
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 125,675 | 18.7% |
| 18 to 64 years | 460,903 | 68.58% |
| 65 years and over | 85,501 | 12.72% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- District of Columbia 's population under 18 was 18.70%, compared to the 22.16% nationwide.
- District of Columbia's working population (between 18 and 64) was 68.58%, compared to 61% nationwide.
- District of Columbia's elderly or the senior population (over 65 age) was 12.72% as compared to 16.84% nationwide.
District of Columbia, DC population pyramid
Population pyramid for District of Columbia, DC is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the District of Columbia's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for District of Columbia, DC, is 23.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for District of Columbia, DC, is 17.9.
- Total dependency ratio for District of Columbia, DC is 40.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for District of Columbia, DC is 5.6.
FIGURE 3
District of Columbia, DC population pyramid
District of Columbia population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
District of Columbia, DC population pyramid
Here's the District of Columbia, DC's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 20,900 | 20,016 | 40,916 |
| 5 to 9 years | 16,631 | 18,833 | 35,464 |
| 10 to 14 years | 18,140 | 15,070 | 33,210 |
| 15 to 19 years | 16,004 | 17,526 | 33,530 |
| 20 to 24 years | 19,852 | 24,701 | 44,553 |
| 25 to 29 years | 33,035 | 40,335 | 73,370 |
| 30 to 34 years | 37,060 | 39,842 | 76,902 |
| 35 to 39 years | 30,450 | 31,505 | 61,955 |
| 40 to 44 years | 23,965 | 24,617 | 48,582 |
| 45 to 49 years | 18,475 | 18,542 | 37,017 |
| 50 to 54 years | 17,738 | 17,194 | 34,932 |
| 55 to 59 years | 16,897 | 16,232 | 33,129 |
| 60 to 64 years | 15,298 | 17,720 | 33,018 |
| 65 to 69 years | 12,640 | 15,310 | 27,950 |
| 70 to 74 years | 9,243 | 12,813 | 22,056 |
| 75 to 79 years | 6,560 | 9,016 | 15,576 |
| 80 to 84 years | 3,700 | 6,360 | 10,060 |
| 85 years and over | 3,413 | 6,446 | 9,859 |
Things to know
What is the population of District of Columbia, DC under 18?
District of Columbia's population under the age of 18 is 125,675, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.70% of the total resident population of District of Columbia, DC.
What is the aging population in District of Columbia, DC?
District of Columbia's population aged 65 years and above was 85,501. As per the U.S. Census Bureau's American Community Survey, this population is 12.72% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates