Data, Maps, & Reports

Population Data

Population — Age Trends, Chester County

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.

To sort the data on the table below, click on the up or down arrows to the right of the column headings.

Chester County 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
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
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 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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%

Source: US Census Bureau, S0101, Age and Sex, 2005 to 2017 1 Year American Community Survey

Last Updated: Data accessed Jan. 2019