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Exhibit 15: Change in Household Size Distribution, Louisville and Boulder County, 2011-2021 <br />Source: ACS 5-Year Data Tables, 2007-2011, 2017-2021 <br />08 <br />2011 <br />2021 <br />35% <br />36% <br />31% <br />15% <br />15= <br />19= <br />20% <br />19% <br />22% <br />a� <br />2011 <br />J <br />2021 <br />27% <br />32% <br />18%'" <br />22% <br />0% 10% 20% <br />30% 40% 50% 60% <br />70% 80% <br />90% 100% <br />■ 1 person <br />2 people 3 people <br />4 or more <br />Household Size by Tenure <br />In Louisville, ownership <br />Exhibit 16: Change in Household Size by Tenure, Louisville, <br />households tend to be larger than <br />2011-2021 <br />renter households; the average <br />Source: ACS 5-Year Data Tables, 2017-2021 <br />ownership household size is 2.75 <br />2.68 <br />members, and the average renter <br />Owner 2.75 <br />household size is 1.95 members. <br />17- <br />From 2011 to 2021, the average <br />1.71 <br />Renter <br />renter household size increased <br />1.95 <br />by 0.24 members, whereas <br />0 1 2 3 <br />ownership households increased <br />Average Household Members <br />by only 0.07 members. Overall, <br />the average household size <br />2011 2021 <br />increased by 2.9%. <br />Exhibit 17 shows the distribution of household sizes by household tenure. Among renter <br />households in Louisville, 46% of tenants live alone, and 29% are households with two members. <br />Owner occupied housing is more evenly distributed, and 48% of households have at least three <br />members. <br />ECONorthwest 17 <br />24 <br />