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Appendix: Data and Assumptions Used <br />Focus Strategies investigated several different sets of city population statistics, including poverty rate, <br />unemployment rate, and vacancy rate, prior to selecting the most appropriate population to use for <br />estimating city unsheltered populations. All data were available from the census <br />(httos://factfinder.census.gov). a reliable, valid, and widely -used source. We discovered that because <br />published numbers for the most recent years of all the statistics are based on estimates from data <br />collected several years ago, the resulting city estimates were nearly identical regardless of the statistic <br />used. Poverty rate was used in these estimates. The number of people experiencing unsheltered <br />homelessness was proportionally assigned to each city based on poverty rates. Specifically, the total <br />number of people in poverty was calculated for Orange County, and for each city, allowing Focus <br />Strategies to apply a percentage of total poverty to each city. This percentage was then multiplied by <br />the total number of people who were unsheltered resulting in the unsheltered count for each city. <br />Table 1 illustrates the proportions of the number of family and adult only households as well as the <br />proportions of people within family and adult only households. The demographic characteristics of the <br />people within each household type are also provided. Using the data in Table 1 as well as the City <br />poverty rates (shown in Table 2), the estimated number of people experiencing unsheltered <br />homelessness in each city was first calculated, followed by their demographic characteristics using the <br />proportions in the table below. <br />Table 1. 2017 Orange County Point -In -Time Count: Demographic Breakdown of Adult and Child <br />(Family) and Adult Only Households <br />Orange County Unsheltered Demographics <br />2017 Unsheltered <br />Households <br />Numbers <br />Adult and Child <br />20(1%) <br />Adult Only <br />9%) <br />Total <br />21488 (100%) <br />Persons <br />66(3%) <br />7%) <br />2,584 (100%) <br />< 18 years old <br />38% <br />196% <br />1% <br />18-24 years old <br />1% <br />4% <br />> 24 years old <br />61% <br />95% <br />Gender <br />Female <br />45% <br />16% <br />17% <br />Male <br />55% <br />84% <br />83% <br />Transgender <br />0% <br />0% <br />0% <br />Does not Identify <br />0% <br />0% <br />0% <br />Ethnicity <br />Non-Hispanic/Non-Latino <br />56% <br />68% <br />68% <br />Hispanic/Latino <br />44% <br />32% <br />32% <br />Estimated Number of People Experiencing Unsheltered Homelessness Pre ared for 2-1-1 Orange County by Focus Strategies I July 2017 1 Page 3 of 4 <br />59G-12 <br />