Population and Demographic Data
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Data accessed May 2024
Source: US Census Bureau, 2013 through 2022 1-Year American Community Survey, S0101, AGE AND SEX
US Census Bureau, 2020 Experimental Data, XK202510 (Did not include county-level data)
Download this table and the entire Chester County Data Catalogue in an Excel format.
| Chester County | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020* | 2021 | 2022 |
|---|---|---|---|---|---|---|---|---|---|---|
| Total Age Cohort | 509,468 | 512,784 | 515,939 | 516,312 | 519,293 | 522,046 | 524,989 | N/A | 538,649 | 545,823 |
| Under 5 years | 5.8% | 5.7% | 5.7% | 5.6% | 5.6% | 5.6% | 5.5% | N/A | 5.3% | 5.3% |
| 5 to 9 years | 6.4% | 6.5% | 6.1% | 6.4% | 6.1% | 6.5% | 5.9% | N/A | 5.7% | 5.9% |
| 10 to 14 years | 7.3% | 7.0% | 7.3% | 6.9% | 7.0% | 6.5% | 6.9% | N/A | 7.3% | 6.4% |
| 15 to 19 years | 7.1% | 6.9% | 7.1% | 7.0% | 6.8% | 7.0% | 7.1% | N/A | 6.8% | 7.0% |
| 20 to 24 years | 6.2% | 6.3% | 6.2% | 6.4% | 6.3% | 6.1% | 6.2% | N/A | 6.2% | 6.2% |
| 25 to 29 years | 5.7% | 5.7% | 5.7% | 5.5% | 5.8% | 5.8% | 5.5% | N/A | 5.5% | 5.7% |
| 30 to 34 years | 5.5% | 5.7% | 5.7% | 5.8% | 5.9% | 5.8% | 6.0% | N/A | 5.9% | 5.9% |
| 35 to 39 years | 5.5% | 5.3% | 5.9% | 6.0% | 6.5% | 6.0% | 6.4% | N/A | 6.5% | 6.6% |
| 40 to 44 years | 7.3% | 7.2% | 6.5% | 6.2% | 5.7% | 6.4% | 6.1% | N/A | 6.5% | 6.5% |
| 45 to 49 years | 7.7% | 7.4% | 7.3% | 7.1% | 7.0% | 6.8% | 6.4% | N/A | 6.2% | 6.2% |
| 50 to 54 years | 8.1% | 8.0% | 7.8% | 7.7% | 7.3% | 7.1% | 7.0% | N/A | 6.9% | 6.6% |
| 55 to 59 years | 6.9% | 7.9% | 7.5% | 7.4% | 7.7% | 7.2% | 7.5% | N/A | 7.1% | 6.5% |
| 60 to 64 years | 6.4% | 5.9% | 6.3% | 6.6% | 6.4% | 6.8% | 6.9% | N/A | 7.0% | 7.3% |
| 65 to 69 years | 4.8% | 4.7% | 4.9% | 5.6% | 5.5% | 5.3% | 5.3% | N/A | 6.0% | 5.5% |
| 70 to 74 years | 3.2% | 3.6% | 3.7% | 3.4% | 3.8% | 4.2% | 4.4% | N/A | 4.4% | 4.8% |
| 75 to 79 years | 2.3% | 2.4% | 2.4% | 2.4% | 2.5% | 2.9% | 3.2% | N/A | 3.1% | 3.3% |
| 80 to 84 years | 1.7% | 1.8% | 2.1% | 1.7% | 1.7% | 1.9% | 1.7% | N/A | 1.9% | 2.2% |
| 85 years and over | 2.3% | 2.0% | 1.8% | 2.2% | 2.3% | 2.0% | 2.2% | N/A | 1.7% | 2.0% |
| Youth/Young Adult, 24 and Under | 32.8% | 32.4% | 32.4% | 32.3% | 31.8% | 31.7% | 31.6% | N/A | 31.2% | 30.8% |
| Early Career, 25 to 44 years | 24.0% | 23.9% | 23.8% | 23.5% | 23.9% | 24.0% | 24.0% | N/A | 24.5% | 24.7% |
| Late Career, 45 to 64 years | 29.1% | 29.2% | 28.9% | 28.8% | 28.4% | 27.9% | 27.8% | N/A | 27.2% | 26.6% |
| Seniors, 65 and over | 14.3% | 14.5% | 14.9% | 15.3% | 15.8% | 16.3% | 16.6% | N/A | 6.0% | 17.8% |
* The Census Bureau did not release its standard 2020 ACS 1-Year estimates because of the impacts of the COVID-19 pandemic. Instead, the Census Bureau released "Experimental Data" estimates for 2020, and only at the national and state level, but not the county level. For more information on the 2020 Experimental Data visit census.gov.
