Lancaster County, PA population age distributions
A complete breakdown of Lancaster County'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 | 34,709 | 6.27% |
| 5 to 9 years | 34,575 | 6.25% |
| 10 to 14 years | 37,120 | 6.71% |
| 15 to 19 years | 37,065 | 6.7% |
| 20 to 24 years | 34,864 | 6.3% |
| 25 to 29 years | 35,652 | 6.44% |
| 30 to 34 years | 36,077 | 6.52% |
| 35 to 39 years | 32,472 | 5.87% |
| 40 to 44 years | 32,024 | 5.79% |
| 45 to 49 years | 30,414 | 5.5% |
| 50 to 54 years | 32,656 | 5.9% |
| 55 to 59 years | 35,057 | 6.34% |
| 60 to 64 years | 36,435 | 6.59% |
| 65 to 69 years | 32,062 | 5.8% |
| 70 to 74 years | 24,563 | 4.44% |
| 75 to 79 years | 18,784 | 3.4% |
| 80 to 84 years | 13,196 | 2.39% |
| 85 years and over | 15,477 | 2.8% |
TABLE OF CONTENTS
Lancaster County, PA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Lancaster County, PA population by age group.
The largest age group is 10 to 14 years with a population of 37,120 (6.71% of the total population).
The largest age group in Lancaster County, PA was for the group of age 10 to 14 years with a population of 37,120 (6.71%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Lancaster County, PA was the 80 to 84 years with a population of 13,196 (2.39%).
Lancaster County, PA population by age cohort
To better understand the age distribution of Lancaster County, PA'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
Lancaster County, PA population by age cohort
The largest age group was 18 to 64 years with a population of 320,778 (57.99% of the total population).
Lancaster County, PA population by age cohort
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 128,342 | 23.2% |
| 18 to 64 years | 320,778 | 57.99% |
| 65 years and over | 104,082 | 18.81% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lancaster County 's population under 18 was 23.20%, compared to the 22.11% nationwide.
- Lancaster County's working population (between 18 and 64) was 57.99%, compared to 61.36% nationwide.
- Lancaster County's elderly or the senior population (over 65 age) was 18.81% as compared to 16.53% nationwide.
Lancaster County, PA population pyramid
Population pyramid for Lancaster County, PA 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 Lancaster County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lancaster County, PA, is 31.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lancaster County, PA, is 30.4.
- Total dependency ratio for Lancaster County, PA is 61.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lancaster County, PA is 3.3.
FIGURE 3
Lancaster County, PA population pyramid
Lancaster County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Lancaster County, PA population pyramid
Here's the Lancaster County, PA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 17,840 | 16,869 | 34,709 |
| 5 to 9 years | 17,737 | 16,838 | 34,575 |
| 10 to 14 years | 19,108 | 18,012 | 37,120 |
| 15 to 19 years | 18,925 | 18,140 | 37,065 |
| 20 to 24 years | 17,549 | 17,315 | 34,864 |
| 25 to 29 years | 17,944 | 17,708 | 35,652 |
| 30 to 34 years | 18,011 | 18,066 | 36,077 |
| 35 to 39 years | 16,317 | 16,155 | 32,472 |
| 40 to 44 years | 16,134 | 15,890 | 32,024 |
| 45 to 49 years | 15,259 | 15,155 | 30,414 |
| 50 to 54 years | 16,355 | 16,301 | 32,656 |
| 55 to 59 years | 17,502 | 17,555 | 35,057 |
| 60 to 64 years | 17,574 | 18,861 | 36,435 |
| 65 to 69 years | 15,686 | 16,376 | 32,062 |
| 70 to 74 years | 11,255 | 13,308 | 24,563 |
| 75 to 79 years | 8,385 | 10,399 | 18,784 |
| 80 to 84 years | 5,776 | 7,420 | 13,196 |
| 85 years and over | 5,167 | 10,310 | 15,477 |
Things to know
What is the population of Lancaster County, PA under 18?
Lancaster County's population under the age of 18 is 128,342, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.20% of the total resident population of Lancaster County, PA.
What is the aging population in Lancaster County, PA?
Lancaster County's population aged 65 years and above was 104,082. As per the U.S. Census Bureau's American Community Survey, this population is 18.81% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates