Central PA Population Growth

Central PA Population Growth
January 2016
Category: Business

In January 2016, the United States population has been estimated at just over 323.1 million people according to the most recent data. The U.S. is ranked number three in terms of countries by population and is equivalent to 4.38% of the world's population. For the past three years, the country has seen about a 0.74% annual increase in population numbers.
In this featured article, we will take a closer look at the population growth for the Central Pennsylvania region since 2000 and estimates for growth through 2020.
population growth in central pennsylvania
Did you know that by the year 2020, it is estimated that approximately 2.41 million people will be living in Central Pennsylvania according to population growth estimates provided by the U.S. Census? (These estimates of course are a calculation based on normal growth patterns and do not take into consideration any major events that could have a positive or negative impact on population growth.) This projected growth in the region's population represents about a 4.96% increase from the year 2010 and represents about an average annual growth rate of about 0.5% per year.
From 2000 to 2010, Central Pennsylvania saw approximately 10.8% growth in population (1.1% average annual growth rate). The high rate of population growth in the region was largely influenced by the housing boom during this time period. Out of the nine Central PA counties, Franklin County had the highest population growth rate during this time period. Population in Franklin County grew by approximately 15.7%, followed by York County with 13.9%.
The graph below shows a breakout of each of the nine Central Pennsylvania Counties compared with the region as a whole by population growth rates from 2000 to 2010 and the estimated growth rate from 2010 to 2020. The dark blue bars represent growth in each of the counties from 2000 to 2010 while the red bars represent the projected growth from 2010 to 2020. The dark purple line in the background represents Central Pennsylvania's overall population growth during the 10 year time period between 2000 and 2010. The orange line in the background represents overall projected population growth in the region from 2010 to 2020. In the graph you will notice that while Franklin County tops the list from 2000 to 2010, growth estimates show that Cumberland County is likely to experience the highest percentage of population growth from 2010 to 2020.

Central PA Population Growth Chart 2000-2020 from ROCK Commercial 

growth by age groups in central pennsylvania
In Central Pennsylvania, the current largest age group are those between the ages of 45 to 54 years. In 2015, there were 330,800 individuals in the age category. While this group experienced higher growth than the average from 2000 to 2010, it is estimated that the population in this category is likely to decline by 11.6% from 2010 to 2020. The group that had the highest growth from 2000 to 2010 were those individuals aged 55 to 64 years. This category is estimated to grow by about 28.3% from 2010 to 2020. Population who are aged 65 to 75 years is the age group that is expected to have the highest rate of growth between 2010 to 2020. Population in this age category is likely to double over this time period with an average annual growth rate of about 5.76% per year.
Population Age 65-75 years in Central PA 2020 from ROCK Commercial
The heat map above shows the estimated population in Central Pennsylvania zip codes of individuals aged 65 to 75 in the year 2020. The darker colored areas represent zip codes that have a higher amount of population while lighter colored areas represent zip codes with less population in the age range.

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