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Click a column name to sort the table by that column. | | | Persons 25 and over | | | | | Measures of rurality | Percent completing college4 | | | FIPS1  | Name | 2003 Rural-urban Continuum Code2 | 2003 Urban influence Code3 | 1970 | 1980 | 1990 | 2000 | | 1 | 19000 | Iowa | | | 9.1 | 13.9 | 16.9 | 21.2 | | 2 | 19001 | Adair County | 8 | 7 | 6.7 | 8.8 | 9.8 | 11.2 | | 3 | 19003 | Adams County | 9 | 12 | 6.2 | 9.9 | 9.4 | 12.0 | | 4 | 19005 | Allamakee County | 6 | 6 | 4.5 | 9.4 | 8.9 | 14.4 | | 5 | 19007 | Appanoose County | 7 | 9 | 5.3 | 9.1 | 11.5 | 12.2 | | 6 | 19009 | Audubon County | 8 | 7 | 4.2 | 9.0 | 9.8 | 12.3 | | 7 | 19011 | Benton County | 3 | 2 | 5.6 | 8.6 | 9.6 | 13.9 | | 8 | 19013 | Black Hawk County | 3 | 2 | 10.1 | 15.4 | 17.3 | 23.0 | | 9 | 19015 | Boone County | 6 | 5 | 6.2 | 12.1 | 13.7 | 18.8 | | 10 | 19017 | Bremer County | 3 | 2 | 8.9 | 13.9 | 15.1 | 21.5 | | 11 | 19019 | Buchanan County | 6 | 6 | 6.2 | 9.3 | 11.2 | 12.7 | | 12 | 19021 | Buena Vista County | 7 | 8 | 8.7 | 14.6 | 15.2 | 18.7 | | 13 | 19023 | Butler County | 8 | 7 | 4.6 | 7.2 | 9.4 | 12.4 | | 14 | 19025 | Calhoun County | 9 | 10 | 7.3 | 9.6 | 11.6 | 15.4 | | 15 | 19027 | Carroll County | 7 | 11 | 6.1 | 9.6 | 11.3 | 16.0 | | 16 | 19029 | Cass County | 6 | 6 | 8.4 | 9.9 | 12.5 | 16.6 | | 17 | 19031 | Cedar County | 6 | 6 | 6.8 | 10.6 | 12.8 | 16.3 | | 18 | 19033 | Cerro Gordo County | 5 | 8 | 9.7 | 13.8 | 15.5 | 20.3 | | 19 | 19035 | Cherokee County | 6 | 6 | 7.9 | 11.7 | 10.8 | 15.2 | | 20 | 19037 | Chickasaw County | 6 | 6 | 4.1 | 8.5 | 9.9 | 12.2 | | 21 | 19039 | Clarke County | 6 | 6 | 4.3 | 7.9 | 8.8 | 12.1 | | 22 | 19041 | Clay County | 7 | 8 | 8.9 | 12.8 | 14.5 | 16.3 | | 23 | 19043 | Clayton County | 8 | 7 | 4.0 | 8.8 | 9.0 | 12.8 | | 24 | 19045 | Clinton County | 4 | 5 | 7.9 | 10.8 | 12.9 | 14.4 | | 25 | 19047 | Crawford County | 6 | 6 | 5.8 | 8.6 | 9.8 | 12.4 | | 26 | 19049 | Dallas County | 2 | 2 | 6.9 | 13.3 | 16.3 | 26.8 | | 27 | 19051 | Davis County | 9 | 9 | 5.6 | 7.2 | 10.5 | 11.4 | | 28 | 19053 | Decatur County | 9 | 12 | 7.7 | 13.8 | 12.3 | 15.1 | | 29 | 19055 | Delaware County | 6 | 6 | 5.5 | 8.1 | 11.0 | 13.0 | | 30 | 19057 | Des Moines County | 5 | 8 | 7.7 | 11.5 | 12.7 | 16.0 | | 31 | 19059 | Dickinson County | 7 | 8 | 7.0 | 13.7 | 17.5 | 21.3 | | 32 | 19061 | Dubuque County | 3 | 2 | 10.1 | 15.0 | 16.8 | 21.3 | | 33 | 19063 | Emmet County | 7 | 9 | 6.5 | 10.8 | 11.0 | 13.0 | | 34 | 19065 | Fayette County | 6 | 6 | 6.5 | 11.3 | 11.8 | 13.8 | | 35 | 19067 | Floyd County | 7 | 9 | 7.2 | 11.5 | 12.2 | 14.8 | | 36 | 19069 | Franklin County | 7 | 9 | 5.4 | 10.2 | 12.3 | 14.5 | | 37 | 19071 | Fremont County | 8 | 6 | 7.4 | 10.5 | 11.3 | 14.0 | | 38 | 19073 | Greene County | 6 | 6 | 7.0 | 10.8 | 13.7 | 14.6 | | 39 | 19075 | Grundy County | 3 | 2 | 6.6 | 10.0 | 12.3 | 17.2 | | 40 | 19077 | Guthrie County | 2 | 2 | 4.5 | 7.2 | 9.9 | 14.9 | | 41 | 19079 | Hamilton County | 6 | 6 | 7.3 | 11.2 | 12.8 | 17.5 | | 42 | 19081 | Hancock County | 7 | 9 | 4.9 | 9.2 | 10.3 | 15.4 | | 43 | 19083 | Hardin County | 6 | 6 | 7.7 | 11.0 | 12.4 | 17.1 | | 44 | 19085 | Harrison County | 2 | 2 | 4.3 | 8.2 | 9.1 | 12.7 | | 45 | 19087 | Henry County | 7 | 9 | 10.6 | 12.5 | 14.5 | 16.2 | | 46 | 19089 | Howard County | 7 | 11 | 2.8 | 7.7 | 8.2 | 12.6 | | 47 | 19091 | Humboldt County | 7 | 9 | 7.3 | 9.6 | 11.6 | 15.4 | | 48 | 19093 | Ida County | 8 | 7 | 5.8 | 10.8 | 11.0 | 13.6 | | 49 | 19095 | Iowa County | 8 | 6 | 5.7 | 9.5 | 11.1 | 15.8 | | 50 | 19097 | Jackson County | 6 | 6 | 4.8 | 8.5 | 10.0 | 12.1 | | 51 | 19099 | Jasper County | 6 | 5 | 7.2 | 9.8 | 12.7 | 15.9 | | 52 | 19101 | Jefferson County | 7 | 9 | 10.4 | 18.5 | 26.5 | 31.2 | | 53 | 19103 | Johnson County | 3 | 2 | 30.8 | 38.6 | 44.0 | 47.6 | | 54 | 19105 | Jones County | 3 | 2 | 6.4 | 9.4 | 10.6 | 12.7 | | 55 | 19107 | Keokuk County | 8 | 7 | 6.0 | 7.3 | 9.4 | 11.6 | | 56 | 19109 | Kossuth County | 7 | 11 | 6.2 | 8.6 | 11.8 | 13.6 | | 57 | 19111 | Lee County | 5 | 8 | 7.1 | 9.5 | 10.7 | 12.5 | | 58 | 19113 | Linn County | 3 | 2 | 11.9 | 16.7 | 21.5 | 27.7 | | 59 | 19115 | Louisa County | 8 | 5 | 7.1 | 8.5 | 9.2 | 12.7 | | 60 | 19117 | Lucas County | 6 | 6 | 4.8 | 7.8 | 9.5 | 11.1 | | 61 | 19119 | Lyon County | 8 | 6 | 6.1 | 9.3 | 10.2 | 14.2 | | 62 | 19121 | Madison County | 2 | 2 | 4.8 | 8.5 | 12.0 | 14.4 | | 63 | 19123 | Mahaska County | 7 | 8 | 7.3 | 11.0 | 13.1 | 16.5 | | 64 | 19125 | Marion County | 6 | 6 | 7.1 | 10.5 | 12.9 | 18.9 | | 65 | 19127 | Marshall County | 4 | 5 | 8.3 | 14.2 | 15.8 | 17.0 | | 66 | 19129 | Mills County | 2 | 2 | 6.0 | 10.2 | 12.6 | 16.3 | | 67 | 19131 | Mitchell County | 7 | 9 | 5.8 | 8.5 | 11.1 | 12.8 | | 68 | 19133 | Monona County | 6 | 6 | 5.8 | 8.2 | 10.3 | 13.4 | | 69 | 19135 | Monroe County | 7 | 9 | 5.4 | 6.5 | 8.0 | 12.6 | | 70 | 19137 | Montgomery County | 6 | 6 | 6.5 | 10.4 | 12.8 | 12.9 | | 71 | 19139 | Muscatine County | 4 | 5 | 8.6 | 11.8 | 13.0 | 17.2 | | 72 | 19141 | O'Brien County | 7 | 9 | 7.0 | 11.7 | 12.6 | 14.7 | | 73 | 19143 | Osceola County | 7 | 9 | 3.5 | 8.5 | 10.0 | 13.4 | | 74 | 19145 | Page County | 7 | 11 | 7.6 | 10.8 | 13.5 | 16.6 | | 75 | 19147 | Palo Alto County | 7 | 9 | 6.6 | 11.4 | 12.8 | 13.9 | | 76 | 19149 | Plymouth County | 6 | 6 | 8.2 | 11.9 | 15.0 | 19.3 | | 77 | 19151 | Pocahontas County | 9 | 10 | 6.6 | 9.7 | 12.8 | 15.0 | | 78 | 19153 | Polk County | 2 | 2 | 12.8 | 19.2 | 23.9 | 29.7 | | 79 | 19155 | Pottawattamie County | 2 | 2 | 5.5 | 9.2 | 11.0 | 15.0 | | 80 | 19157 | Poweshiek County | 7 | 9 | 11.8 | 14.8 | 16.2 | 18.5 | | 81 | 19159 | Ringgold County | 9 | 12 | 4.3 | 8.4 | 10.3 | 13.4 | | 82 | 19161 | Sac County | 9 | 10 | 6.9 | 10.6 | 12.7 | 13.6 | | 83 | 19163 | Scott County | 2 | 2 | 10.7 | 18.4 | 21.9 | 24.9 | | 84 | 19165 | Shelby County | 6 | 6 | 6.1 | 9.6 | 12.8 | 15.3 | | 85 | 19167 | Sioux County | 6 | 6 | 7.1 | 12.0 | 14.4 | 19.8 | | 86 | 19169 | Story County | 3 | 2 | 28.0 | 33.9 | 38.4 | 44.5 | | 87 | 19171 | Tama County | 6 | 6 | 4.5 | 10.1 | 11.2 | 12.9 | | 88 | 19173 | Taylor County | 9 | 10 | 5.3 | 7.1 | 8.7 | 12.0 | | 89 | 19175 | Union County | 6 | 6 | 6.2 | 9.2 | 12.8 | 14.7 | | 90 | 19177 | Van Buren County | 9 | 10 | 5.4 | 8.4 | 9.6 | 11.8 | | 91 | 19179 | Wapello County | 5 | 8 | 5.8 | 9.9 | 11.0 | 14.6 | | 92 | 19181 | Warren County | 2 | 2 | 9.1 | 13.9 | 16.2 | 21.2 | | 93 | 19183 | Washington County | 3 | 2 | 7.2 | 11.8 | 11.7 | 16.4 | | 94 | 19185 | Wayne County | 9 | 12 | 5.0 | 7.8 | 8.4 | 12.1 | | 95 | 19187 | Webster County | 5 | 8 | 8.3 | 12.6 | 13.7 | 16.9 | | 96 | 19189 | Winnebago County | 7 | 9 | 7.7 | 10.6 | 14.0 | 16.5 | | 97 | 19191 | Winneshiek County | 7 | 11 | 8.8 | 13.3 | 17.1 | 20.5 | | 98 | 19193 | Woodbury County | 3 | 2 | 9.9 | 14.9 | 16.7 | 18.9 | | 99 | 19195 | Worth County | 9 | 8 | 5.0 | 8.2 | 10.9 | 12.7 | | 100 | 19197 | Wright County | 7 | 9 | 6.7 | 10.2 | 11.3 | 13.5 |
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1See the Census Bureau web site for a description of FIPS codes. 2The 2003 Rural-urban continuum codes classify metropolitan counties (codes 1 through 3) by size of the Metropolitan Statistical Area (MSA), and nonmetropolitan counties (codes 4 through 9) by degree of urbanization and proximity to metro areas. See the Rural-urban continuum codes for precise definitions of each code. 3The 2003 Urban influence codes classify metropolitan counties (codes 1 through 2) by size of the Metropolitan Statistical Area (MSA), and nonmetropolitan counties (codes 3 through 12) by the size of the largest city or town and proximity to metro and micro areas. See the Urban influence codes for precise definitions of each code. 4For 1970 and 1980, the share of adults who are college graduates includes those who completed at least four years of college. In 1990 and 2000, the share includes those who received a bachelor's or higher degree.
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