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exist, the relatively simple extrapolation form <br /> o eu1 $ used <br /> iohasezbeen <br /> found to be quite accurate in predicting <br /> particnlalrly in fast-growing areas with subareas of less than <br /> 100,000 persons. Further details on the methodology used can be <br /> found in Appendix A. <br /> Protections 1990-2010 <br /> POPULATION. Table 2-11 shows the population projections for Orange <br /> County by township beyond the plan period and through the year 2010. <br /> Orange County's population is estimated to be 102,697 as <br /> stod to the <br /> of calendar year 1988. The County's population is project the year <br /> Town to 109,758 by 1990, 153,377 by 2000 and 215,162 by <br /> grown Chapel Hill Township will continue to predominate as the <br /> populous township in the County. Hillsborough Township will <br /> increase role significantly Town ofpHillsborougheinofuture settlement <br /> greater role for the <br /> patterns. Cedar Grove Township will be t$e most stable and the <br /> increase significantly in population during plan iodoas <br /> Township most removed from development pressurress. The�s spillover <br /> Buffer <br /> growth f Chapel Rill, and the ultimate impact Chapel Rill, <br /> concept of the Joint Planning Area for Oranngge ounty,cChappeel g the <br /> and Carrboro could greatly impact gingham' P <br /> County's fastest-growing township. be <br /> o <br /> DWELLING UNITS. Much new housing will <br /> In calculateath e ntumber <br /> accommodate the population gr increase average <br /> of new units needed to house this population <br /> household size must be known. As trends nationwide have indicated, <br /> average household size is decreasing dramatically due to smaller <br /> family <br /> size and an increasing number of single person households. s <br /> shown in Table 2-12, change in household size reflectstthisCounty <br /> and in each township during the 1970-1980 p e i <br /> trend. <br /> 3.4 persons <br /> The average household size for the County in 1970 was 3• so s <br /> per household. In 1980, however, average se household drop to <br /> 2.68 persons per household. Current projections tar year 2the <br /> household size will coverge downward to, 2.4 by <br /> The number <br /> Similar decreases have occurred throughout o hetto ishiease The <br /> in <br /> of dwelling units required to house tththe tprojectedr planning period, <br /> population in Orange County during presented rn <br /> assuming a constant 1980 average household size, is <br /> Table 2-13. <br /> TABLE 2-13 <br /> 1SOURCE: 1980 U.S. Census Department in Section C Commerce. <br /> 2 Amended, refer to township plan <br /> 7 <br /> _ . I <br />