Las Vegas, NV population age distribution
A complete breakdown of Las Vegas'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 | 38,051 | 5.99% |
5 to 9 years | 40,508 | 6.38% |
10 to 14 years | 44,555 | 7.02% |
15 to 19 years | 39,993 | 6.3% |
20 to 24 years | 37,488 | 5.91% |
25 to 29 years | 45,940 | 7.24% |
30 to 34 years | 45,431 | 7.16% |
35 to 39 years | 44,479 | 7.01% |
40 to 44 years | 42,752 | 6.73% |
45 to 49 years | 42,166 | 6.64% |
50 to 54 years | 41,831 | 6.59% |
55 to 59 years | 41,144 | 6.48% |
60 to 64 years | 36,290 | 5.72% |
65 to 69 years | 31,183 | 4.91% |
70 to 74 years | 26,677 | 4.2% |
75 to 79 years | 16,504 | 2.6% |
80 to 84 years | 10,470 | 1.65% |
85 years and over | 9,324 | 1.47% |
TABLE OF CONTENTS
Las Vegas, NV population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Las Vegas, NV was for the group of age 25-29 years with a population of 45,940 (7.24%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Las Vegas, NV was the 85+ years with a population of 9,324 (1.47%).
Las Vegas, NV population by age cohort
To better understand the age distribution of Las Vegas, NV'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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 149,043 | 23.48% |
18 to 64 years | 391,585 | 61.69% |
85 years and over | 94,158 | 14.83% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Las Vegas's population under 18 was 23.48%, compared to the 22.51% nationwide.
- Las Vegas's working population (between 18 and 64) was 61.69%, compared to 61.45% nationwide.
- Las Vegas's elderly or the senior population (over 65 age) was 14.83% as compared to 16.04% nationwide.
Las Vegas, NV population pyramid
Population pyramid for Las Vegas, NV 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 Las Vegas's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Las Vegas, NV, is 29.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Las Vegas, NV, is 22.6.
- Total dependency ratio for Las Vegas, NV is 52.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Las Vegas, NV is 4.4.

Here's the Las Vegas, NV's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 18,524 | 19,527 | 38,051 |
5 to 9 years | 21,213 | 19,295 | 40,508 |
10 to 14 years | 23,727 | 20,828 | 44,555 |
15 to 19 years | 20,129 | 19,864 | 39,993 |
20 to 24 years | 20,044 | 17,444 | 37,488 |
25 to 29 years | 22,324 | 23,616 | 45,940 |
30 to 34 years | 23,600 | 21,831 | 45,431 |
35 to 39 years | 22,776 | 21,703 | 44,479 |
40 to 44 years | 20,616 | 22,136 | 42,752 |
45 to 49 years | 21,210 | 20,956 | 42,166 |
50 to 54 years | 22,214 | 19,617 | 41,831 |
55 to 59 years | 20,380 | 20,764 | 41,144 |
60 to 64 years | 18,393 | 17,897 | 36,290 |
65 to 69 years | 15,040 | 16,143 | 31,183 |
70 to 74 years | 12,200 | 14,477 | 26,677 |
75 to 79 years | 7,926 | 8,578 | 16,504 |
80 to 84 years | 4,630 | 5,840 | 10,470 |
85 years and over | 3,814 | 5,510 | 9,324 |
Things to know
What is the population of Las Vegas, NV under 18?
Las Vegas's population under the age of 18 is 149,043, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.48% of the total resident population of Las Vegas, NV.
What is the aging population in Las Vegas, NV?
Las Vegas's population aged 65 years and above was 94,158. As per the U.S. Census Bureau's American Community Survey, this population is 14.83% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates