Total Population Counts and Historical Datasets

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The US Census Bureau’s Decennial Census program collects complete counts of US population every 10 years.


1960 1970 1980 1990 2000 2010 2020
Delaware County Population 553,154 603,456 555,007 547,651 550,864 558,979 576,830

Change in population 2010-2020 map

Historical Population Data by Municipality 1790-2020

For more information regarding historic population data, please contact us at 610-891-5200 or Planning_Department@co.delaware.pa.us.



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Gina Burritt, Director
Planning Department

 

First Floor

1055 E. Baltimore Pike
Media, PA 19063

Phone: 610-891-5200

Fax: 610-891-5203

Email: Planning_Department@co.delaware.pa.us


Contact Us

  •   201 West Front Street,
         Media, PA 19063
  •   8:30AM - 4:30PM
           Monday - Friday
  •   610-891-4000
  • webmaster@co.delaware.pa.us

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Delaware County, presently consisting of over 184 square miles divided into forty-nine municipalities is the oldest settled section of Pennsylvania.


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