Issue 45     

August 2016  

In this month's issue...
Population Trends for
Children Under 5
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ontinuing on the theme of young children, this month we focus on trends in the under 5 population in Tulsa and Tulsa County, from 1960 to the present. We also illustrate the geographic shift in the distribution of young children across the county during this time period. 
 
If you'd like more information about young children in Tulsa and Tulsa County, view or download our full report,
Who Is Tulsa? Young Children, or the Executive Summary.

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Welcome to Data Blast
Trends in young child population, 1960 to 2014

  • The youngest members of the baby boom generation were exiting the under 5 age group in the late 1960s, resulting in a dip in the young child population by 1970 across the nation, including in Tulsa County.
  • Since that time, many dynamics, including the period of baby boomers having children of their own and a growing immigrant population, have contributed to patterns of growth in the young child population. This pattern is evident in Tulsa County, adding over 12,000 young children since 1970.
  • The trend lines for Tulsa and areas outside of Tulsa, however, are misleading due to a major annexation event that took place in 1966. Tulsa's relatively slight decline in young children between 1960 and 1970, and the substantial loss experienced by communities outside of Tulsa during that period can both be attributed to this annexation.

 

Trends in young child population, with alternate trend lines, 1960 to 2014 
  • The alternate trend lines for Tulsa County, the city of Tulsa and for the area outside of Tulsa depict the young child populations for those geographies without Hispanic children.
  • In other words, were it not for the growth in the Hispanic population, Tulsa would presently be home to 28% fewer young children under 5, Tulsa County - 19% fewer, and the area outside of Tulsa - 7% fewer.


Trends in percent distribution of population by age group, Tulsa County, 1960 to 2015
  • Not only is the young child share of total population falling, but the same transition is happening among all age groups younger than 45, both locally and nationally.
  • The magnitude of the baby boom generation has created a traveling bulge throughout the lifespan that now resides in the 45 to 64 and 65 plus age groups.

Trends in numeric distribution of population by age group, Tulsa County, 1960 to 2015 
  • It's important to remember that it's the proportion of children out of total population that is shrinking, not the absolute number of children.
  • Both the under 5 and the 5 to 17 age groups have been in growth mode over the past few decades in Tulsa County - since 1970 for under 5, and since 1990 for 5 to 17.
  • The actual number of children in both of these age groups are currently at their highest levels since before 1960.


Distribution of young children in Tulsa County, 1960 to 2014  
  • In 1960 nearly three-quarters of the county's young child population lived within Tulsa city limits, leaving just over a quarter residing in the rest of the county.
  • A major annexation event six years later that tripled Tulsa's land area had a critical impact on that dynamic.
  • That 1966 annexation lifted Tulsa's share of the county's young child population to 81% and pushed the share left to the remainder of the county down to 19%.
  • Since 1970, Tulsa's share has gradually declined as more young families are choosing to make their homes in communities outside the city of Tulsa.


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