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020 <br /> residents. The average household size will continue to <br /> decline, leveling off towards the end of the twenty year plan <br /> period . The projected average household size used is slightly <br /> higher than for other townships, reflecting a historically <br /> higher average household size in Cedar Grove. Table 3-2b , <br /> using the projected number of new households, estimates land <br /> requirements for development through the year 2005 . <br /> The population projections are based on the average <br /> annua grow h ra e rom 1970 to 1 .87 , projected out from the <br /> es ma e. popu a on in Is prov .es a m e o e <br /> road" estimate between the average annual growth rate of <br /> 1970- 1980 ( 0 .06% ) and 1980-1987 (2.96%) . The average annual <br /> growth rate used is similar to that of Alamance County . <br /> TABLE 3-2 <br /> CEDAR GROVE POPULATION PROJECTIONS, 1987-2005 <br /> a b c c c c <br /> year 1980 1987 1990 1995 2000 2005 <br /> TOTAL POPULATION 3, 166 3,883 4,030 4,287 4, 561 4,852 <br /> POPULATION CHANGE <br /> FROM 1980 ( NUMBER) --- 717 864 1 , 121 1 ,395 1 ,686 <br /> a <br /> 1980 U . S . Census of Population <br /> b <br /> Estimate based on building permits issued by the Orange <br /> County Planning Department <br /> c <br /> Projections based on a standard exponential extrapolation of <br /> the 1970-1987 average annual growth rate of 1 .25% per year . <br /> TABLE 3-2a <br /> CEDAR GROVE HOUSING PROJECTIONS , 1987-2005 <br /> year 1980 1987 1990 1995 2000 2005 <br /> a <br /> POPULATION 3, 166 3,883 4,030 4,287 4,561 4 ,852 <br /> AVG. HOUSEHOLD b <br /> SIZE 2.69 2 .67 2.60 2.56 2.50 2 . 50 <br /> c d <br /> HOUSING UNITS 1 , 176 1 ,452 .1 ,550 1 ,675 1,824 1 ,941 <br /> HOUSING UNIT <br /> CHANGE FROM 1980 --- 276 374 499 . 648 765 <br /> a <br /> From Table 2 <br /> b <br /> Assumes continuous proportional drop to 2 .5 persons/house- <br /> ' hold in the year 2000 <br /> . . g_p <br />