How Many Grandparents Are Raising Grandchildren in Ashford County? Defining an Aggregate, Its Boundary and Its Count
Student Name
American College of Education
NUR4043: Community Health and Vulnerable Populations
Module 1 Assignment
Instructor Name
May 4, 2026
Why This Aggregate
In community health nursing, the client is a population rather than a person, and a population has to be defined before it can be assessed. Stanhope and Lancaster (2020) describe an aggregate as a group of people who share one or more characteristics, and they stress that population-focused practice begins with deciding exactly who is in the group and who is not. This paper defines one aggregate in Ashford County, an invented rural county of roughly 38,000 people used throughout this course: grandparents who are raising their grandchildren.
The aggregate was chosen because it is growing, it is easy to overlook and its health needs are often hidden behind the children's. Hayslip and Kaminski (2005) reviewed the research on grandparents raising grandchildren and found that these caregivers report more depression, more chronic illness and more financial strain than grandparents who are not raising grandchildren, and that they often postpone their own care. In Ashford County, the school nurses and the public health department both describe more grandparents appearing on enrollment forms and at immunization clinics since the opioid epidemic reached the county. An aggregate that professionals notice anecdotally but have never counted is exactly the kind a community health nurse should define first.
Drawing the Boundary
The phrase grandparents raising grandchildren sounds precise but hides several decisions. Does a grandmother who watches her grandchildren every afternoon while the parent works count? Does a grandfather whose adult son and grandchildren live in his house count, if the son still makes decisions for the children? Does a great-aunt count? Each answer changes the population and therefore the count.
For this paper, the aggregate is defined as persons aged 30 or older who live in Ashford County, who live in the same household as one or more of their own grandchildren under 18, and who are responsible for most of the basic needs of those grandchildren, whether or not a parent also lives in the household. The definition excludes daytime-only care, excludes relatives other than grandparents, and includes both legal and informal arrangements. It follows the wording used by the American Community Survey, which asks household respondents whether a grandparent is currently responsible for most of the basic needs of a grandchild in the household (U.S. Census Bureau, 2020).
Choosing a definition that matches a national survey has a cost and a benefit. The cost is that great-aunts, older siblings and other kin caregivers fall outside the aggregate even though their situations may be similar. The benefit is that the county's figure can be compared with state and national figures produced the same way, and the definition can be repeated in future years. A boundary that can be measured the same way twice is more useful than a broader one that can only be estimated once.
Three Sources, Three Counts
The American Community Survey is the only source that counts grandparent caregivers in every county using the same question. For a county of Ashford's size, estimates come from five years of pooled responses, so the figure describes an average over that period rather than a single year, and it carries a margin of error. For this assignment, the composite five-year estimate is 1,140 grandparents responsible for their grandchildren, with a margin of error of plus or minus 260. Census guidance tells users to report the margin with the estimate and to treat small-area estimates with overlapping margins as not clearly different (U.S. Census Bureau, 2020), which means the county's figure should be read as somewhere between about 880 and 1,400 grandparents.
The county child welfare office counts something different. Its records for the most recent year show 96 children placed with grandparents through the formal foster care or kinship placement system. That figure counts children rather than caregivers, and only those whose placement passed through the court or the agency. It misses the much larger group of informal arrangements, in which a grandparent takes in grandchildren without any agency involvement. It is precise, but it measures a narrow slice of the aggregate.
The school district counts a third thing. Enrollment forms for the current year list a grandparent as the adult responsible for 410 students. That number counts children again, includes only school-age children enrolled in public schools, and depends on how families complete a form. It excludes infants and preschoolers and grandparents whose grandchildren attend school in another district. Each source is accurate about what it counts, and none of them counts the aggregate as defined. The differences are not errors; they are the result of three definitions, three units of measurement and three time windows.
The Working Definition and Count
For the rest of this course, the aggregate will be described as approximately 1,140 grandparents in Ashford County who live with and are responsible for most of the basic needs of their grandchildren, based on the five-year American Community Survey estimate, with a plausible range of 880 to 1,400. The child welfare and school figures will be used as supporting indicators rather than as counts of the aggregate: the child welfare figure shows the small formal share of the arrangement, and the school figure confirms that the group is large enough to be visible in a single system.
Stating the source alongside the number protects every later step. When the course moves to determinants and priorities, any rate calculated for this aggregate will use a denominator whose origin, window and uncertainty are known. When a partner agency cites a different number, the difference can be explained rather than argued over. And if the county repeats this assessment in five years, the same definition and source can show whether the aggregate has grown.
What the Count Does Not Yet Show
A count describes the size of an aggregate, not its condition, and it is worth being clear about what the working figure leaves out before the course moves on. The survey estimate says nothing about the grandparents' own health, their income, whether they have legal authority to consent to their grandchildren's medical care, or how long they expect the arrangement to last. It also does not separate grandparents raising grandchildren with a parent present in the home from those raising them alone, although the survey tables can be divided that way and the difference matters: a grandmother sharing the work with an adult daughter faces different strain from one who is the only adult in the house.
Those gaps set the agenda for the next modules. Kelley et al. (2010) studied a home visiting program in which registered nurses and social workers supported grandmothers raising grandchildren in homes where the parents were absent, and found improvements over twelve months in the caregivers' vitality, mental health and ability to carry out their daily roles. Their sample was drawn from a large city and was mostly low-income African American women, so its results cannot simply be transferred to a rural county. What the study does show is that this aggregate has health needs of its own that nursing can reach, which is the reason for counting it carefully in the first place. The count is the doorway to the assessment, not the assessment itself.
Conclusion
Grandparents raising grandchildren are a real and growing aggregate in Ashford County, but the question of how many there are has at least three answers, depending on who is counting and what they are counting. Defining the aggregate by the national survey's wording gives it a boundary that can be measured and repeated, and reporting the estimate with its margin of error keeps the number honest. Before this population can be assessed or served, it has to be counted, and before it can be counted, it has to be defined.
References
Hayslip, B., Jr., & Kaminski, P. L. (2005). Grandparents raising their grandchildren: A review of the literature and suggestions for practice. The Gerontologist, 45(2), 262-269. https://doi.org/10.1093/geront/45.2.262
Kelley, S. J., Whitley, D. M., & Campos, P. E. (2010). Grandmothers raising grandchildren: Results of an intervention to improve health outcomes. Journal of Nursing Scholarship, 42(4), 379-386. https://doi.org/10.1111/j.1547-5069.2010.01371.x
Stanhope, M., & Lancaster, J. (2020). Public health nursing: Population-centered health care in the community (10th ed.). Elsevier.
U.S. Census Bureau. (2020). Understanding and using American Community Survey data: What all data users need to know. U.S. Government Publishing Office.
How this NUR 4043 Module 1 example is structured
NUR 4043 Module 1 often opens on the aggregate itself: its boundary, its count and the source of both figures; your classroom's instructions decide which aggregate and how the paper is formatted. This example states why the aggregate matters, draws its boundary in explicit terms, then sets three real kinds of data source side by side, the American Community Survey, child welfare placement records and school enrollment records, and explains why their counts differ. It closes with the working definition and count the rest of the course would use. The order teaches the module's lesson directly: a population is only as clear as the definition that produced its number.
NUR4043 Module 1 questions, answered
What does NUR4043 Module 1 usually ask for?
NUR4043 Module 1 often asks students to define an aggregate for community health work: who is in it, where its boundary lies, how many people it includes and where that figure comes from. Many sections carry the same aggregate through later modules. Your classroom's instructions decide how the aggregate is chosen and what format the paper takes.
Where can I find a count for my aggregate?
The American Community Survey on data.census.gov is the usual starting point for county-level counts of groups such as older adults living alone, grandparent caregivers or people without insurance. State health department data, child welfare records and school data can add detail. Always report the source, the time window and, for survey estimates, the margin of error.
Why do different sources give different numbers for the same group?
Because each source defines the group differently, counts different units such as people or households, and covers a different time window. A survey estimate, an agency caseload and a school roster can all be accurate and still disagree. Explaining those differences is often worth more marks than the number itself.
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