------------------------------------------------------------------------------------------------------------------------- Davenport-Moline-Rock Island, IA-IL ------------------------------------------------------------------------------------------------------------------------- 1950-1959: Davenport-Rock Island-Moline, IA-IL SMA 1959-1983: Davenport-Rock Island-Moline, IA-IL SMSA 1983-1992: Davenport-Rock Island-Moline, IA-IL MSA 1992-2003: Davenport-Moline-Rock Island, IA-IL MSA 2003-2006: Davenport-Moline-Rock Island, IA-IL Metro Area Population History ------------------------------------------------------------------------------------------------------------------------- Component 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Henry County, IL 46,492 49,317 53,217* 57,968* 51,159* 51,020* 50,508* Mercer County, IL 17,374 17,149 17,294 19,286 17,290 16,957 16,840* Rock Island County, IL 133,558* 150,991* 166,734* 165,968* 148,723* 149,374* 147,454* Scott County, IA 100,698* 119,067* 142,687* 160,022* 150,979* 158,668* 161,170* ------------------------------------------------------------------------------------------------------------------------- Total 234,256 270,058 362,638 383,958 350,861 359,062 375,972 Percent Change - 15.3% 34.3% 5.9% -8.6% 2.3% 4.7% ------------------------------------------------------------------------------------------------------------------------- Total (as currently defined) 298,122 336,524 379,932 403,244 368,151 376,019 375,972 Percent Change - 12.9% 12.9% 6.1% -8.7% 2.1% -0.0% ------------------------------------------------------------------------------------------------------------------------- Component Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 Component | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Henry County, IL ******************************************** Mercer County, IL **** Rock Island County, IL ********************************************************* Scott County, IA ********************************************************* ---------------------------------------------------------------------------------------- Population History ------------------------------------------------------------------------------------------------------------------------- City 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Moline, IL 37,397* 42,705* 46,237* 45,709* 43,202* 43,768* 42,892* Rock Island, IL 48,710* 51,863* 50,166* 47,036* 40,552* 39,684* 38,702* Davenport, IA 74,549* 88,981* 98,469* 103,264* 95,333* 98,359* 98,845* Total 160,656 183,549 194,872 196,009 179,087 181,811 180,439 Metro 234,256 270,058 362,638 383,958 350,861 359,062 375,972 Percent 68.6% 68.0% 53.7% 51.0% 51.0% 50.6% 48.0% Principal/Central City Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 City | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Moline, IL ********************************************************* Rock Island, IL ********************************************************* Davenport, IA ********************************************************* ---------------------------------------------------------------------------------------- Component Change History ------------------------------------------------------------------------------------------------------------------------- Apr 1950 New SMA: Davenport-Rock Island-Moline, IA-IL SMA Rock Island County, IL included as original SMA component Scott County, IA included as original SMA component Moline, IL designated as original central city of new SMA Rock Island, IL designated as original central city of new SMA Davenport, IA designated as original central city of new SMA Oct 1963 Henry County, IL added Dec 1992 Title of Davenport-Rock Island-Moline, IA-IL MSA changed to Davenport-Moline-Rock Island, IA-IL MSA Jun 2003 Mercer County, IL added -------------------------------------------------------------------------------------------------------------------------