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  1. Indicate the Two Variables Selected for Analysis: Variable A and Variable B

The variables selected are:

  • Variable A, Age
  • Variable B, Population density
  1. What is the Level of Each Variable, A and B, in Your Neighborhood in 1970? By 2000, did Each Variable Increase or Decrease in Your Neighborhood?

Age
My neighborhood, tract 105.05, has been experiencing an aging population between 1970 and 2000. In 1970, the number of individuals who were below 35 years was 67.9% of entire population. In 2000, my neighborhood had 52% of its population under the age of 35 years. This figure represents a decrease of 15.9% among individuals who are less than 35 years and an increase of the same in people over the age of 35 years.
Population Density
In 1970, my neighborhood had a population density of 29.7 individuals per square mile. In 2000, the population density was 55.9 individuals per square mile. There was an increase in population density by 26.2 individuals per square mile, which is almost double the population density in 1970. Generally, this increase may be due to immigration to my locality by individuals from other states.

  1. How Does the Level of Variables A and B in Your Neighborhood in 1970 Compare to the County and the State as a Whole?

Age
In 1970, 67.9% of individuals in my neighborhood were below 35 years. Accordingly, those over 35 years were 32.1%. Tract 106.02 had 78.4% of individuals under 35 years. Tract 107.01 had 73.9% of its population below 35 years. Generally, the county had a young population during this period. As a whole, individuals under 35 years were 73.9% of the entire population in Yolo County. In 2000, 52% of the entire population in my neighborhood was less than 35 years. In tract 106.02, 68.4% of the population was less than 35 years. Tract 107.01 had 67.2% of its population less than 35 years. As a whole, 64.2% of individuals in Yolo County were less than 35 years. Due to the decline in the percentage of the population of individuals below 35 years in my neighborhood and in the county as a whole, the area is progressively having an aging population.
Population Density
In 1970, there were 29.7 individuals per square mile in my neighborhood. Tract 106.02 and 107.01 had 5,967.5 and 6,918.9 individuals per square mile respectively. In total, Yolo County had a population density of 125.3 individuals per square mile. In 2000, there were 55.9 individuals per square mile in my neighborhood. Tract 106.02 and 107.01 had 6,327.6 and 5,744.6 individuals per square mile respectively. As a whole, Yolo County had 232.5 individuals per square mile in the entire county. This data shows that my locality has been experiencing an increase in population from 1970 to 2000. Except for tract 107.01, which had a decline in population density between 1970 and 2000; my neighborhood, tract 106.02, and the whole of Yolo County had an increase in population density.

  1. Is the change in Variable A and Variable B observed in your neighborhood faster or slower (or in a different direction) than the state-wide change in these variables? Has your neighborhood converged on the rest of the state, diverged from the rest of the state, or remained in a similar position relative to the rest of the state over time with respect to these variables?

Age
In 1970, 67.9% of the individuals in my county were under 35 years. The percentage of the population of these individuals fell to 52% in the year 2000. In absolute terms, there was a 15.9% decline in the population of individuals below 35 years. This was a 23.4167% decline in the percentage of individuals below 35 years. In Yolo County, there was a decline from 73.9% to 64% of individuals below 35 years from 1970 to 2000. This was a 9.9% decline in absolute terms. As a proportion of the previous ratio, it was a 13.396% decline in the percentage of individuals below 35 years. Since my neighborhood has a faster decline in the population of individuals below 35 years than Yolo County, it is having an aging population at a faster rate than the county.
Population Density
In 1970, my neighborhood had a population density of 29.7 individuals per square mile. It increased to 55.9 persons per square mile in 2000. In absolute terms, there was an increase of 26.2 persons per square mile. This increase represented an 88.215% increase in the entire population density per square mile. Yolo County had a population density of 125.3 individuals per square mile in 1970, which increased to 232.5 individual per square mile in 2000. This was an increase of 107.2 in absolute terms or 85.554% increase in the entire population density per square mile. My neighborhood and Yolo County had a relatively similar increase in the population density; 88.215% for my neighborhood and 85.554% for Yolo County.

  1. How Does the Demographic Data Explored Here Compare to Your Anecdotal Experience of Living in This Area and Your Sense of the Area’s History?

In my experience, the population of my area has been increasing rapidly. The ability to exploit business opportunities in California has been the main reason for this increase. Generally, there have been a lot of immigrants looking for trade opportunities that have rented premises in my area. Moreover, the increase in the population of individuals can be observed through the increase in the number of visitors in parks and the increase in road traffic when compared to that of the early 1990s (Davis California). There is also an aging population in my neighborhood. There has been a significant decline in the number of children playing in parks. From the demographic data explored, it is evident that there has been an increase in the population density of my neighborhood and that of Yolo County. The demographic data also shows that there is an aging population in Yolo County and my neighborhood.
 
 
 
 
 
 
 
 
 
Works Cited
Davis California. Population and Housing. 2016. Retrieved from: http://cityofdavis.org/about-davis/population-and-housing