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ESTIMATED ANNUAL GROWTH RATES BY COUNTY, DENVER SMSA 1970-1972 1970 " 4,7% 3.1 5.2 0,9 6.4 3.3% \ years. In 1970 it was calculated at 3.3%. In 1971 " it was 4.4%. In 1972 it gained to 5.3%. The DRCOG study points out the growing im- portance of inmigration to this region. During 1970, it was estimated at about 65% or 26,000 inmigrants. By 1972, net inmigration accounted for 83% of the population increase or 59,100. Relatively favorable economic performance, the area's physical attractiveness, the climate, the prox- imity to recreational areas and generally depressed 'economic conditions on coastal cities, all account for the large numbers of migrants to the area. A decline in farming-related and other small town job opportunities are additional factors. The study noted that more than two-thirds of ,the migrants to this region originated from outside of Colorado. The plains, mountain and southwestern states, including Colorado, accounted for about 53% of incoming families, Northeastern coastal states and west coast states accounted for 25% of the mi- grants, 14% from the west coast and 11 % from the east coast. ,,;......J ..........r ~. County Adams Arapahoe Boulder Denver Jefferson SMSA \. ~ , >: I ~. . ( 1 I. f 1971 5.9% 7,3 6.2 1.0 7.6 4.4% ORIGIN OF MIGRANTS TO SMSA 1969 -1971 Origin Colorado, outside of SMSA Mountain, Plains & Southwest States Midwest States Pacific States Middle Atlantic States Southern States New England States TOTAL 1972 5.1% 9.5 7.6 0.8 10.5 5.3% Percent Of Total 24.4% 28,0 15,1 14,1 8,5 7.2 2.7 100.0% The two most attractive counties to the new- comers were Jefferson and Arapahoe Counties. Jefferson attracted '42.8% of the new residents during 1972 and Arapahoe's share was 25.9%. Many new large residential developments are tak- ing place particularly in northeastern and eastern Jefferson County and parts of Arapahoe County immediately south and southeast of Denver. Although net inmigration is the major portion of the population increase, the other factor con- tributing to the gain was natural increase, or the balance between births and deaths. COMPONENTS OF ESTIMATED RESIDENT POPULATION CHANGE, DENVER SMSA January 1, 1912 - January 1, 1973 Nei Inmigration County Adams Arapahoe Boulder Denver Jefferson SMSA Death. 932 975 831 5,240 1,485 9,463 Total Change 10,400 17,000 11,100 4,300 27,800 10,600 Birtha 3,519 2,650 2.144 8,646 3,960 .20,919 7,813 15,325 9,787 894 25,325 59,144 Natural increase has been playing a declining role in, population gains in recent years. In 1966, half of the population increase was attributed to natural increase. By 1968, this percentage slipped to 38% and in 1972 it amounted to only 17% of the increase. Denver is not immune from the national plunge in birth rates declining from 25.6 births per 1,000 population in 1960 to 15.6 in 1972. PERCENTAGE DISTRIBUTIONS OF NET INMIGRANTS BY COUNTY, 1910 - 1912 1970 1971 20.0% 19,5% 18,2 24.1 13,8 16.4 2.3 2,1 45,7 37,3 100,0 100.0 ~ o l\j I\J County Adams Arapahoe Boulder Denver Jefferson. SMSA 1972 13,3% 25,9 16,5 1.5 42,8 100,0 DECADE GROWTH LISTED During the period from 1960 to 1970, the Denver metropolitan area's population increased by 32,1%. Out of 100 metropolitan areas during the same time, Denver's growth ranked 15th. These figures, however, do not include the phenomenal growth whiCh has occurred since 1970 in the Denver metropolitan area. ..._~_.-~. -........_..-..- ....---.---. DENVER RANKED HiGH NATIONALLY On a per capita basis, the Denver area was fourth nationally in 1972 in number of housing starts. It was surpassed only by the Tampa, Miami and Phoenix metropolitan areas, In total numbers of new housing units during 1972, the Denver area ranked seventh. .' -.....--- w,' .-'