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<br />4: Projections – of geotourism potentials
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<br />Kittitas County market area population projections
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<br />Kittitas County’s principal market area is deemed to be counties
<br />best served by major roadways including Interstate 90 serving King
<br />and Pierce Counties to the west and Grant County to the east, US-2
<br />and US-97 serving Snohomish and Chelan Counties to the northwest
<br />and Douglas County to the northeast, and Interstate 82 serving
<br />Yakima and Benton Counties to the south.
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<br />§ Kittitas County population - increased from 9,704 persons in
<br />1900 to 42,670 persons by 2015 fluctuating between a high of
<br />10.3% average annual rate of growth between 1900-1910 to a low of
<br />0.9% between 1970-1980. Washington State Office of Financial
<br />Management (OFM) estimates Kittitas County will increase to a
<br />population of 55,436 persons by the year 2040 averaging 1.2%
<br />between 2015-2025 then declining to 0.9% by 2035-2040.
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<br />Population projections 2015-2040
<br />County 2015 2040 2015 2040
<br />Kittitas 42,592 55,436 1% 1%
<br />King 2052,800 2,418,850 47% 45%
<br />Grant 93,390 138,337 2% 3%
<br />Snohomish 757,600 997,634 17% 19%
<br />Pierce 830,120 1,042,341 19% 19%
<br />Chelan 75,030 89,246 2% 2%
<br />Yakima 249,970 318,494 6% 6%
<br />Douglas 39,990 54,762 1% 1%
<br />Benton 188,590 247,856 4% 5%
<br />Total 4,380,684 5,362,956 100% 100%
<br />Source: Washington State Office of Financial Management (OFM)
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<br />§ Market area population - increased in the combined Kittitas,
<br />King, Snohomish, Pierce, Chelan, Yakima, Douglas, and Benton
<br />Counties from 221,541 persons in 1900 to 4,380,684 persons by
<br />2015 fluctuating between a high of 9.8% average annual rate of
<br />growth between 1900-1910 to a low of 1.2% between 1930-1940.
<br />OFM estimates the combine market area will increase to a
<br />population of 5,362,956 persons by the year 2040 averaging 0.7%
<br />per year from 2015-2020 then declining to 0.7% by 2035-2040.
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<br />§ By market area jurisdiction in 2015 – King County has the
<br />greatest proportion of market area population at 2,052,800 persons
<br />or 47% of the total, then Pierce County at 830,120 or 19%,
<br />Snohomish County at 757,600 or 17%, Yakima County at 249,970 or
<br />6%, Benton County at 188,590 or 4%, Grant County at 93,930 or 2%,
<br />Chelan County at 75,030 or 2%, Kittitas County at 42,592 or 1%, and
<br />Douglas County at 39,990 or 1%.
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