Population Data
Home » Data, Maps, & Reports » Data Index » Age Trends, Chester County
Last Updated: Data accessed December 2020
Source: US Census Bureau (see below).
Detailed mapping of a number of population and demographic topics is available at the Data, Maps, & Reports/Map Index.
Download this table and the entire Chester County Data Catalogue in an Excel format.
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| Chester County | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Age Cohort | 458,141 | 482,112 | 486,345 | 491,489 | 498,894 | 499,797 | 503,897 | 506,575 | 509,468 | 512,784 | 515,939 | 516,312 | 519,293 | 522,046 | 524,989 |
| Under 5 years | 6.6% | 6.3% | 6.5% | 6.5% | 6.6% | 6.2% | 6.1% | 5.9% | 5.8% | 5.7% | 5.7% | 5.6% | 5.6% | 5.6% | 5.5% |
| 5 to 9 years | 6.4% | 6.6% | 6.9% | 7.0% | 6.8% | 7.1% | 6.6% | 7.2% | 6.4% | 6.5% | 6.1% | 6.4% | 6.1% | 6.5% | 5.9% |
| 10 to 14 years | 7.7% | 6.9% | 6.7% | 6.4% | 7.0% | 7.0% | 7.3% | 6.7% | 7.3% | 7.0% | 7.3% | 6.9% | 7.0% | 6.5% | 6.9% |
| 15 to 19 years | 6.6% | 7.5% | 7.5% | 7.5% | 7.5% | 7.3% | 7.4% | 7.4% | 7.1% | 6.9% | 7.1% | 7.0% | 6.8% | 7.0% | 7.1% |
| 20 to 24 years | 6.1% | 6.8% | 6.4% | 6.2% | 6.1% | 6.1% | 6.0% | 6.0% | 6.2% | 6.3% | 6.2% | 6.4% | 6.3% | 6.1% | 6.2% |
| 25 to 29 years | 5.5% | 5.5% | 5.6% | 5.9% | 5.2% | 5.4% | 5.5% | 5.5% | 5.7% | 5.7% | 5.7% | 5.5% | 5.8% | 5.8% | 5.5% |
| 30 to 34 years | 5.9% | 5.8% | 5.6% | 5.6% | 5.6% | 5.5% | 5.5% | 5.5% | 5.5% | 5.7% | 5.7% | 5.8% | 5.9% | 5.8% | 6.0% |
| 35 to 39 years | 7.0% | 7.3% | 7.3% | 6.7% | 6.2% | 6.5% | 6.1% | 5.9% | 5.5% | 5.3% | 5.9% | 6.0% | 6.5% | 6.0% | 6.4% |
| 40 to 44 years | 9.0% | 8.1% | 7.4% | 7.3% | 8.3% | 7.4% | 7.3% | 7.3% | 7.3% | 7.2% | 6.5% | 6.2% | 5.7% | 6.4% | 6.1% |
| 45 to 49 years | 8.8% | 8.4% | 8.6% | 8.5% | 8.4% | 8.1% | 8.1% | 7.8% | 7.7% | 7.4% | 7.3% | 7.1% | 7.0% | 6.8% | 6.4% |
| 50 to 54 years | 7.6% | 7.6% | 7.7% | 8.0% | 7.8% | 8.0% | 8.1% | 8.1% | 8.1% | 8.0% | 7.8% | 7.7% | 7.3% | 7.1% | 7.0% |
| 55 to 59 years | 6.6% | 6.7% | 6.8% | 6.6% | 6.9% | 7.1% | 7.0% | 7.0% | 6.9% | 7.9% | 7.5% | 7.4% | 7.7% | 7.2% | 7.5% |
| 60 to 64 years | 4.7% | 4.6% | 5.0% | 5.3% | 4.9% | 5.3% | 5.9% | 6.1% | 6.4% | 5.9% | 6.3% | 6.6% | 6.4% | 6.8% | 6.9% |
| 65 to 69 years | 3.2% | 3.3% | 3.8% | 3.8% | 4.0% | 4.2% | 4.1% | 4.1% | 4.8% | 4.7% | 4.9% | 5.6% | 5.5% | 5.3% | 5.3% |
| 70 to 74 years | 2.7% | 2.9% | 2.5% | 2.9% | 2.6% | 2.8% | 3.0% | 3.4% | 3.2% | 3.6% | 3.7% | 3.4% | 3.8% | 4.2% | 4.4% |
| 75 to 79 years | 2.4% | 2.5% | 2.1% | 2.4% | 2.4% | 2.2% | 2.4% | 2.3% | 2.3% | 2.4% | 2.4% | 2.4% | 2.5% | 2.9% | 3.2% |
| 80 to 84 years | 2.0% | 1.8% | 1.7% | 1.7% | 1.9% | 2.1% | 1.8% | 1.9% | 1.7% | 1.8% | 2.1% | 1.7% | 1.7% | 1.9% | 1.7% |
| 85 years and over | 1.2% | 1.4% | 1.8% | 1.7% | 1.8% | 1.8% | 1.9% | 2.0% | 2.3% | 2.0% | 1.8% | 2.2% | 2.3% | 2.0% | 2.2% |
| Youth/Young Adult, 24 and Under | 33.4% | 34.1% | 34.0% | 33.6% | 34.0% | 33.7% | 33.4% | 33.2% | 32.8% | 32.4% | 32.4% | 32.3% | 31.8% | 31.7% | 31.6% |
| Early Career, 25 to 44 years | 27.4% | 26.7% | 25.9% | 25.5% | 25.3% | 24.8% | 24.4% | 24.2% | 24.0% | 23.9% | 23.8% | 23.5% | 23.9% | 24.0% | 24.0% |
| Late Career, 45 to 64 years | 27.7% | 27.3% | 28.1% | 28.4% | 28.0% | 28.5% | 29.1% | 29.0% | 29.1% | 29.2% | 28.9% | 28.8% | 28.4% | 27.9% | 27.8% |
| Seniors, 65 and over | 11.5% | 11.9% | 11.9% | 12.5% | 12.7% | 13.1% | 13.2% | 13.7% | 14.3% | 14.5% | 14.9% | 15.3% | 15.8% | 16.3% | 16.6% |
Source: US Census Bureau, S0101, Age and Sex, 2005 to 2019 1 Year American Community Survey
